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1

Właściwości fizykochemiczne smoothie owocowo-warzywnego z dodatkiem pestek awokado

Rolewicza Aleksandra, Szmigielski Marek, Grządka Elżbieta

Przemysł Chemiczny

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2025

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T. 104, nr 3

373--376

PL

Przeprowadzono analizy fizykochemiczne świeżo przygotowanego smoothie marchwiowo-bananowego oraz wzbogaconego odpowiednio spreparowaną (wstępnie rozdrobnioną, wysuszoną i zmieloną) pestką z awokado (Persea americana Mill.), stosowaną w ilości 2 g/100 mL. Próbki zbadano również po 24 h chłodniczego przechowywania. W wyrobach uzupełnionych sproszkowaną pestką awokado zaobserwowano wzrost zawartości ekstraktu, polifenoli i witaminy C w porównaniu z próbką kontrolną. Analiza EDX wykazała, że składy pierwiastkowe próbek znacząco różniły się od siebie jakościowo. Dodatek suszu z pestki awokado wzbogacił smoothie w cenne dla zdrowia makroelementy. Wyniki przeprowadzonych badań sugerują, że poprzez dodatek proszku z pestki awokado do smoothie marchwiowo-bananowego można uzyskać produkt charakteryzujący się lepszymi właściwościami fizykochemicznymi, stabilniejszy koloidalnie i z większą ilością biodostępnych składników odżywczych.

EN

Physicochem. analyses were carried out on a freshly prepd. carrotbanana smoothie and one enriched with appropriately prepd. (precrushed, dried and ground) avocado seed (Perseaamericana Mill.), used in the amt. of 2 g/100 mL. The samples were also analyzed after 24 h of storage in refrigerated conditions. In the samples with the addn. of powdered avocado seed, an increase in the content of extract, polyphenols and vitamin C was obsd. compared to the control sample. EDX anal. showed that the elemental compn. of the samples differed significantly in terms of quality. The addn. of dried avocado seed enriched the smoothie with addnl. amts. of macronutrients valuable for health. The results of the conducted studies suggest that by adding avocado seed powder to the carrot-banana smoothie, a product with better physicochem. properties, more colloidal stability and more bioavailable nutrients can be obtained.

2

Antioxidants in biodegradable food packaging polymer materials - a review

Borkowski Mateusz, Kępka-Borkowska Katarzyna

Polimery

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2025

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Vol. 70, nr 7-8

431--448

EN

This review summarizes the recent advances in the incorporation of antioxidants into biodegradable polymer-based food packaging materials. Natural antioxidants such as polyphenols, carotenoids, and vitamins, as well as selected synthetic compounds, are discussed in the context of their origin, mechanism of action, and application methods including blending, encapsulation, and surface coating. The review also compares antioxidant efficiency across various biopolymer matrices including PLA, chitosan, PHA, PBAT, PVA, TPS, and PBS. Special attention is given to the functional performance, regulatory considerations, and future prospects of active packaging systems aimed at prolonging food shelf life and enhancing sustainability.

PL

Podsumowano aktualny stan wiedzy na temat stosowania przeciwutleniaczy w biodegradowalnych materiałach opakowaniowych do żywności. Omówiono naturalne przeciwutleniacze, takie jak polifenole, karotenoidy i witaminy, a także wybrane związki syntetyczne, uwzględniając ich pochodzenie, mechanizm działania i metody integracji (mieszanie, enkapsulacja, powlekanie). Przeanalizowano efektywność dodatków w różnych osnowach polimerowych, m.in. PLA, chitozanie, PBAT, TPS, PBS i PHA. Szczególną uwagę poświęcono właściwościom funkcjonalnym, aspektom regulacyjnym oraz przyszłości aktywnych opakowań wspierających trwałość i zrównoważony rozwój.

3

Impact of Faisalabad industrial and domestic wastewater on stress morphophysiological and biochemical responses of lettuce (Lactuca sativa L.)

Almas Hafiza Iqra, Rasul Fahd, Shahbaz Muhammad, Mustafa Ghulam

Journal of Ecological Engineering

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2025

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Vol. 26, nr 6

447--463

EN

Irrigation with wastewater imperils human health by introducing toxic metals, harmful pathogens, and organic and inorganic pollutants into crops that potentially contaminate the entire food chain. This pot experiment investigated the impact of Faisalabad wastewater (Madhuana drain, Pharang drain, University of Agriculture) and canal water (control) on lettuce (Lactuca sativa L.), focusing on morphophysiological parameters, which were assessed alongside biochemical stress markers such as photosynthetic pigments, enzymatic antioxidants, oxidative and secondary metabolites. Water physiochemical analysis showed that the Madhuana drain wastewater contained the maximum heavy metal concentration, including lead (1.5 mg/L), cadmium (0.13 mg/L), chromium (0.83 mg/L), and zinc (5.46 mg/L), then other irrigation treatments but all wastewater sources beyond the recommended permissible limit. The growth results indicated that Madhuana drain wastewater irrigation significantly altered and decreased plant growth patterns (plant fresh weight (19%) and plant dry biomass (22%), leaves per plant (26%), leaf area (40%), and plant height (45%), and also increased metal accumulation, including Pb (3.75 mg/kg), Zn (12.92 mg/kg), Cd (1.21 mg/kg), and Cr (2.05 mg/kg), while photosynthetic pigments revealed a significant reduction, with chlorophyll content declining by 40%, 31%, and 60% than all other irrigation treatments. Oxidative stress markers including MDA, EL, and H2O2 were elevated, indicating cellular damage by 64%, 62%, and 73%. Enzymatic antioxidant assays (peroxidase, superoxide dismutase, and catalase) and secondary metabolites (flavonoids, alkaloids, phenolics, and anthocyanin) elevated by 50% and 40%, respectively, indicating a response against heavy metal stress. These findings underscore that untreated wastewater adversely influences plant metabolic mechanisms that ultimately reduce growth and physiological processes. To protect food security and yield, strict wastewater treatment procedures must be put in place to reduce environmental contamination.

4

Strengthening the quality standards of used edible oils through the incorporation of distillation thyme powder

Satteih Mohammed, Errachidi Faouzi, Chahdi Fouad Ouazzani, Mazzah Ahmed

Ecological Engineering & Environmental Technology

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2025

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Vol. 26, iss. 3

338--351

EN

This study investigates an innovative approach to improving the quality and stability of used frying oils by enriching them with distillation residual thyme powder (DRTP). A series of physico-chemical and thermal analyses were performed to evaluate the effect of DRTP enrichment on essential quality parameters. The results demonstrate that incorporating thyme powder at concentrations of 1% (DRTP), 5%(DRTP), and 10%(DRTP) significantly slowed acid degradation over a 10-day storage period, ensuring that the oils remained within acceptable food quality standards. Furthermore, the enriched oils exhibited superior thermal stability at elevated temperatures compared to both virgin oil (positive control) and untreated used oil (negative control). These findings highlight the potent antioxidant and protective properties of thyme, which not only enhance oil quality but also extend the shelf life of recycled cooking oils. This sustainable strategy paves the way for the effective reuse of used frying oils in the food industry, offering economic and environmental benefits.

5

Investigating optimal conditions for obtaining medicinal extracts with the best functional properties from Kleinia anteuphorbium L.

Naama Amal, Aghoutane Basma, EL-Otmani Najlae, EL Monfalouti Hanae, Kartah Badr Eddine

Ecological Engineering & Environmental Technology

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2025

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Vol. 26, iss. 3

171--182

EN

Kleinia anteuphorbium L. is a medicinal plant widely utilized in traditional medicine by the Souss-Massa population. This study aimed to investigate the best extraction conditions, including method and solvents, to achieve the highest polyphenol, flavonoid, antioxidant, and antibacterial activities. The polyphenol and flavonoid contents were quantified using spectrophotometric methods, while the antioxidant activity was assessed through Ferric Reducing Power (FRAP) and 2,2-diphenyl-picrylhydrazyl radical (DPPH) scavenging assays. The antibacterial activity was assessed against four pathogenic clinical isolates: P. aeruginosa, E. coli, K. pneumonia, and S. aureus. The phytochemical analysis revealed that all extracts of Kleinia anteuphorbium exhibited high polyphenol and flavonoid contents, along with significant antioxidant activity. Moreover, the extracts showed inhibitory effects against the tested bacteria strains. The GC-MS analysis revealed the existence of abundant bioactive compounds, with potential therapeutic activities. These findings suggest that Kleinia anteuphorbium has promising potential as a medicinal plant.

6

Fluorescence and antioxidant properties of Mn(II), Co(II), and Zn(II) complexes of 3-hydroxyflavone in methanolic solution

Woźnicka Elżbieta, Rejman Karolina

Chemical Technology & Biotechnology

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2025

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Vol. 5

202--209

EN

The photophysical and antioxidant properties of 3-hydroxyflavone (3HF) and its complexes with Mn(II), Co(II), and Zn(II) ions were investigated. Fluorescence spectra of 3HF in methanol revealed a pronounced excitation-wavelength dependence characteristic of the excited-state intramolecular proton transfer (ESIPT) process. Complexation with d-electron metal ions significantly altered the emission properties. The Zn(II) complex exhibited higher fluorescence intensity than the free ligand, consistent with the chelation-enhanced fluorescence effect and partial suppression of the ESIPT process. In contrast, Mn(II) and Co(II) complexes showed strongly reduced intensities, indicating fluorescence quenching associated with the paramagnetic character of these ions and the promotion of intersystem crossing. Antioxidant activity assessed by the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method showed moderate inhibition for 3-hydroxyflavone (24.0%). Among the complexes, Mn-3HF exhibited the highest activity (33.4%), while Co-3HF and Zn-3HF showed only minimal effects (7.1% and 5.9%). These results indicate that metal coordination modulates the antioxidant properties of 3HF, enhancing them in the case of Mn(II) and suppressing with Co(II) and Zn(II). The results demonstrate that coordination with d-electron metal ions exerts a strong influence on both the fluorescence properties and the antioxidant activity of 3HF.

7

Elektrochemiczne i biologiczne badania DNA : plazmidy i chromosomalne DNA : krótka historia badań DNA w pracowni elektroanalizy chemicznej

Elżanowska Hanna, Kępska-Tatar Blanka

Wiadomości Chemiczne

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2024

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[Z] 78, 7-8

943--971

EN

For a number of years, the DNA interactions with various compounds have been a subject of research at the Laboratory of Electroanalytical Chemistry. Plasmids and chromosomal DNAs have been used to investigate and distinguish between the DNA interactions with intercalators, newly synthesized potential anticancer drugs and antioxidants. So far, plasmids have been rarely used in electrochemical experiments and therefore their use can be considered a novelty in our investigations, realized in collaboration with the Molecular Biology Laboratory at the Faculty of Biology of the University of Warsaw. New potential anticancer drugs have been synthesized at the Institute of Organic Industrial Chemistry and tested on cancer cell lines at the Pharmacy Department of the Warsaw Medical University. The methodology of DNA-drugs investigations has been tested with the use of a typical DNA intercalator, Methylene Blue, and resulted in the sequential use of four electrochemical methods, i.e. SW, DP, AC 00 i AC 900 to assess redox properties and capacity/resistance changes of the electrode layers formed. Such complex electroanalytical methodology allowed for distinguishing between the anticancer properties of two seemingly similar compounds, IPBD and Cl-IPBD, which differed only by one substituent. The comparison of these electrochemical results with biological testing (on cancer cell lines) these prospective anticancer drugs, showed good correlation of the two different methods used, in prediction of anticancer properties of new drugs. Thus, it has been shown that the combination of electroanalytical methods can be successfully used for preliminary testing of anticancer drugs, before further confirming their use by complex and time consuming biological methods. It should be noted that the interactions of plasmids with the antioxidants such as: riboflavin (Rb, Wit.B2), Witamin C and Rutin (RU), used in this work and tested by electroanalytical methods, showed contrasting results to the ones obtained for anticancer drugs.

8

Rośliny źródłem naturalnych substancji przeciwutleniających

Hać-Szymańczuk Elżbieta

Przemysł Spożywczy

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2024

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T. 78, nr 12

44--48

PL

Żywność pochodzenia roślinnego jest bogatym źródłem związków o właściwościach przeciwutleniających. Konsumenci stają się coraz bardziej świadomi i bardzo uważnie czytają etykiety opisujące żywność. W miarę jak nacisk na czyste etykiety staje się coraz bardziej powszechny, stosowanie naturalnych przeciwutleniaczy w produktach spożywczych wzrasta. Związki te reprezentowane są przede wszystkim przez: polifenole, witaminy, karotenoidy, kwasy organiczne, wapń, selen, chlorofiliny, glutation, indole, fityniany, tiocyjaniany i izomery kwasu linolowego. W niniejszym artykule omówiono wybrane owoce i warzywa, przyprawy oraz inne rośliny posiadające udokumentowane działanie przeciwutleniające.

EN

Plant-based foods are a rich source of antioxidant compounds. Consumers are becoming increasingly aware and are reading food labels very carefully. As the push for clean labels becomes more widespread, the use of natural antioxidants in food products will continue to grow. These compounds are represented primarily by polyphenols, vitamins, carotenoids, organic acids, calcium, selenium, chlorophyllins, glutathione, indoles, phytates, thiocyanates and linoleic acid isomers. This article discusses selected fruits and vegetables, spices, and other plants that have documented antioxidant effects.

9

Physiological and Biochemical Responses of Maize (Zea mays L.) to the Application of Re-Treated Urban Wastewater Using Wood Waste Biochar

Soujoud Radouane, Lamsaadi Nadia, Bouhadi Mohammed, El Moukhtari Ahmed, Ourribane Malika

Journal of Ecological Engineering

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2024

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Vol. 25, nr 6

180--193

EN

The present work aimed to evaluate the effect of re-treated urban wastewater using wood biochar on the development of maize (Zea mays L.) plants. Maize seeds were sown in plastic pots, containing agronomic soil, and watered with treated wastewater (TWW) before and after re-treatment with wood waste biochar. Before re-treatment, results indicated that the application of TWW at 75% significantly enhanced the maize growth, in terms of plant height, shoot fresh (SFW) and dry (SDW) weight compared to control (natural water). In turn, the application of TWW at 100% showed the opposite effects. In fact, the total chlorophyll content and relative water content (RWC) were significantly decreased by 20% and 4%, respectively, compared to control plants. Furthermore, TWW at 100% significantly (p < 0.05) induced an accumulation of oxidative stress markers (MDA, H2O2). The non-enzymatic antioxidant process (total polyphenols and flavonoids) and the enzymatic antioxidant activity (CAT and APX) were also interestingly increased. The obtained negative correlation between maize growth and the accumulation of oxidative stress markers could explain the showed reduction in maize growth under 100% TWW. However, this effect seems to be alleviated in maize plants when they were watered with TWW re-treated with biochar, indeed, a significant improvement was marked in plant height, SFW, SDW, total chlorophyll content and RWC by 44%, 106%, 176%, 38% and 12%, respectively, compared to maize under 100% TWW. The finding suggests that the use of TWW diluted or re-treated by wood biochar could be a relevant approach to valorize TWW in agricultural purposes.

10

Morpho-Physiological and Biochemical Responses of Cymbopogan citratus and Asparagus officinalis L. to Waterlogging and Salinity Stress

Hanif Asma, Sattar Maida, Qiushi Qin, Gul Mah, Shahzad Sobia, Jian Wei, Hassan Muhammad Umair, Al-Khayri Jameel Mohammed, Aldaej Mohammed Ibrahim, Sattar Muhammad Naeem

Journal of Ecological Engineering

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2024

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Vol. 25, nr 2

115--125

EN

Salinity stress is an alarming issue causing a substantial reduction in crop productivity. Waterlogging also limits crop productivity and the extent of both these stresses is increasing due to climate change and global warming. This study investigated the response of Lemongrass and Asparagus grass under salinity stress and waterlogged conditions. The study was comprised of different treatments: control, salinity stress, waterlogged conditions and salinity stress + waterlogged conditions. The results revealed that salinity + waterlogging pressure negatively affected cymbopogan citratus and Asparagus officinalis. The physio-morphological, biochemical attributes, enzymatic antioxidants, and nutrient parameters showed a greater reduction under combined salinity and water waterlogged conditions. Waterlogging caused a marked decrease in root growth, leaves production and plant height of both grasses, compared to the control. Salinity stress also resulted in similar morphological modifications, albeit to a lesser extent. Physiological analysis showed a decline in chlorophyll content and RWC, indicating reduced photosynthetic capacity and water uptake efficiency in response to waterlogging and salinity. Electrolyte leakage, increased significantly under waterlogging and salinity stress, suggesting cellular damage and membrane disruption. C.citratus exhibited greater resilience to waterlogging and salinity compared to A. officinalis. Despite the adverse conditions, C. citratus maintained higher chlorophyll content, RWC, and lower electrolyte leakage, indicating better stress tolerance mechanisms. In conclusion, waterlogging and salinity induced significant morphophysiological modifications in both C. citratus and A. officinalis. However, C. citratus exhibited better tolerance to these stresses, suggesting its potential for cultivation in waterlogged and saline environments.

11

Growth, Physiological and Biochemical Responses of Mung Bean (Vigna radiata L.) to Cadmium Polluted Soil

Hayat Rida, Khan Imran, Chattha Muhammad Umer, Hassan Muhammad Umair, Jian Wei, Al-Khayri Jameel Mohammed, Aldaej Mohammed Ibrahim, Sattar Muhammad Naeem, Rezk Adel Abdel-Sabour, Almaghasla Mustafa Ibrahim

Journal of Ecological Engineering

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2024

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Vol. 25, nr 3

75--84

EN

Cadmium (Cd) toxicity is an alarming issue for our agricultural soils and serious threat to crop productivity. The concentration of Cd in our soils is continuously increasing which is posing serious threat to plants, animals and humans. Mung bean is a conventional pulse crop cultivated all over the world. Thus, this study’s goal was to evaluate response of mung bean seedlings in terms of growth, physiology, and biochemistry to varying degrees of Cd stress. The investigation examined various Cd levels, including control, 5, 10 and 15 mg Cd/kg of soil. The results indicate that mungbean growth, physiological and biochemical components was negatively impacted by Cd stress. Results depicted that Cd (15 mg/kg) reduced the growth attributes photosynthetic pigments (Chl. a, b and carotenoids), total soluble proteins (TSP) and free amino acids (FAA) and increased the malondialdehyde (MDA), hydrogen peroxide (H2O2), and electrolyte leakage (EL). Interestingly, activities of all four antioxidants (ascorbic acid, catalase, ascorbate peroxidase and peroxidase) increased with increase in Cd toxicity.

12

The Sulfur Dioxide Absorption Capacity of Plants Tecoma Stans and its Effect on Antioxidants

Al-Jaba Sura Razzaq Manhee, Al-Janabi Ameera O. Hussain

Ecological Engineering & Environmental Technology

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2024

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Vol. 25, iss. 9

268--276

EN

The current study used to prove the efficiency of Tecoma stans to sulfur dioxide gas (SO2 )was at a concentration of 10 mg·m-3 which is equal to 3.82 ppm for the period from summer exposure (May – June 2023) to reduce SO2 thus reduce some gaseous pollutants that cause global warming and some air pollutants and know the effect of seasonal conditions to mitigate these pollutants. The physiological changes of the three replicates of study plant were observed through equal time periods daily for a period of seven days covered with polyethylene under controlled conditions represented by a greenhouse. The process was repeated three times between the three exposures provide rest periods for the plant for a week. During summer exposure, it was found that the concentration of flavonoids was significantly increased as compare to control (5.222 ± 0.27 mg/100 ml of extract) from 6.58 ± 0.43 to 6.24 ± 0.31 mg/100 ml of extract, but this concentration was increased after the third exposure into to 6.99 ± 0.29 mg/100 ml of extract. There was decrease in Tannins concentration after the second exposure (with concentration 1.5 ± 0.05 to 0.72 ± 0.01 µl/ml)), but this concentration was returned increased significantly to 1.36 ± 0.01 µl/ml) after the third exposure to SO2 . Also in The enzyme activities for peroxidase (POD), superoxide dismutase (SOD) and catalase (CAT) demonstrated varied responses to SO2 exposure, and T. stans showing distinct patterns of enzyme activation. The effect of POD and CAT increased in plants which exposure into SO2 , whereas CAT play important role in inhibition of ROS.

13

The influence of the production process management on the health-promoting properties of sauerkraut

Zawadzki Mateusz

Scientific Journal of Gdynia Maritime University

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2023

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nr 126

74--87

EN

The article presents the issue of health-promoting properties of sauerkraut based on a critical analysis of literature sources. The issue of the properties of cabbage and sauerkraut is discussed, and the characteristics of the most frequently used species in the pickling process are presented, namely white cabbage (Latin Brassica oleracea var f. Alba). Moreover, the content of water, nutrients and minerals in whitehead cabbage and sauerkraut have been presented and compared, showing their differences. The course of the ensilage process has been discussed, and the lactic acid bacteria mainly responsible for it, Lactobacillus plantarum, has been indicated. The author has also pointed to glucosinolates in sauerkraut, which show high anti-cancer activity, primarily preventing the development of breast, prostate, lung and stomach cancer. The influence of the production process on the health-promoting properties of sauerkraut has also been analysed. For these reasons, the aim of the work was to present the Griffin model in the context of the assessment of sauerkraut production process management. Such action made it possible to determine the stages of the production process that should be subject to special control.

14

Klitoria ternateńska (Clitoria ternatea) – właściwości prozdrowotne i wykorzystanie w żywności

Gramza-Michałowska Anna, Kulczyński Bartosz

Przemysł Spożywczy

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2023

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T. 77, nr 12

31--35

PL

W pracy scharakteryzowano wieloletnią roślinę strączkową z rodziny bobowatych Clitoria ternatea L., znaną także pod nazwą groszek motylkowy lub groszek niebieski. Ma szereg właściwości i zastosowań rolniczych oraz technologicznych, w tym m.in. jako pasza, czy barwnik spożywczy. Ze względu na zawartość związków biologicznie aktywnych o pożądanych właściwościach funkcjonalnych roślina ta jest również wykorzystywana w celach leczniczych, m.in. w zaburzeniach neurologicznych, poprawy zdolności zapamiętywania, działa uspokajająco i antydepresyjnie, przeczyszczająco, przeciwbólowo, może chronić przed cukrzycą lub miażdżycą. Opisane właściwości wskazują, że Clitoria ternatea może stanowić pożądany składnik nowych receptur żywności funkcjonalnej lub suplementów diety.

EN

This paper characterizes the perennial legume of the leguminous bean family Clitoria ternatea L., also known as butterfly pea or blue pea. It has a number of agricultural and technological properties and uses, including, among others, as animal feed or food colouring. Due to its content of biologically active compounds with desirable functional properties, the plant is also used for medicinal purposes, e.g. in neurological disorders, improvement of memory capacity, sedative and antidepressant effects, laxative, analgesic, may protect against diabetes or atherosclerosis. The properties described indicate that Clitoria ternatea could be a desirable ingredient in new functional food formulations or dietary supplements.

15

Possibility of Water Saving in Processing of Snack Pellets by the Application of Fresh Lucerne Sprouts: Selected Aspects and Nutritional Characteristics

Combrzyński Maciej, Wójtowicz Agnieszka, Biernacka Beata, Oniszczuk Tomasz, Mitrus Marcin, Soja Jakub, Różyło Renata, Wojtunik-Kulesza Karolina, Kasprzak-Drozd Kamila, Oniszczuk Anna

Journal of Ecological Engineering

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2023

|

Vol. 24, nr 12

130--142

EN

New types of extruded snack pellets of wheat-corn blend base and fresh lucerne sprouts were developed. The aim of the study was to examine the effect of fresh lucerne sprouts addition on the water consumption, processing efficiency and the specific mechanical energy during production of wheat-maize snack pellets. Additionally, the total phenolic content and antiradical activity, as well as the water absorption and water solubility indices in samples processed under variable processing conditions were tested. The extrusion-cooking of blends consisted of 10, 20 and 30% of lucerne sprouts was carried out using a single screw extruder at screw speeds of 60 and 100 rpm, and at moisture contents of 32, 34 and 36%. Replacement of wheat-corn flour blends by fresh lucerne sprouts at various levels (10, 20 and 30%) enabled to sufficiently reduce technological water which is needed in extrusion-cooking process of snacks pellets. The limitation of water was from 89 to 100% if fresh lucerne sprouts were used, depending on the recipe and dough moisture level tested. Total phenolic content and antioxidant activity increased significantly due to lucerne sprouts addition. Furthermore, higher water absorption and water solubility index were noted if increased initial moisture content was applied during the processing of snack pellets. It can be concluded that fresh lucerne sprouts can be valuable additives, enabling to save the technological water in production process and to obtain nutritionally valuable supplemented wheat-corn-based snack pellets.

16

Antioxidant properties of Moringa oleifera and Withania somnifera extracts and their use in cosmetics for men

Jezierska Adrianna, Sykuła Anna

Biotechnology and Food Science

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2023

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Vol. 85, nr 1

34--42

EN

Nowadays, men are paying more and more attention to their appearance, and thus try to provide their skin with proper care so that it looks healthy and without signs of aging. In the present study, ashwagandha (Withania somnifera) and moringa oleifera (Moringa oleifera) were selected from the most popular adaptogens used in cosmetics, which are currently not commonly used in cosmetic preparations for men. The selected adaptogens were compared for their phytochemical and antioxidant properties to determine their skin care effects in cosmetics. The phytochemical content was evaluated through the determination of total phenolic content and in vitro antioxidant capacity was determined by DPPH (2,2-diphenyl-1-picrylhydrazyl) and ABTS{2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid)} free radical scavenging tests. The total phenolic contents 1.81±0.13 and 0.14±0.02 mg GAE/g extract were found to be present in Moringa oleifera and Withania somnifera glycol-water extracts, respectively. Among the two chosen extracts, Moringa oleifera exhibited significant free radical scavenging activity, ABTS (0.964 ± 0.021 mg TE/g extract) and DPPH (0.822 ± 0.004 mg TE/g extract). It can be concluded that Moringa oleifera extract has strong antioxidant properties than Withania somnifera extract.

17

Czarnuszka siewna, tarczyca bajkalska, łuska gryki – potencjalne źródła naturalnych przeciwutleniaczy

Zwolan Adam

Przemysł Spożywczy

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2022

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T. 76, nr 6

37--39, 43

PL

Decyzje towarzyszące zakupom żywności są w znaczącym stopniu warunkowane wiedzą żywieniową konsumentów. Wzrost świadomości i kontrowersje wobec stosowania syntetycznych dodatków do żywności stawiają przed branżą spożywczą wyzwanie: jak zapewnić wysoką jakość produktów przy zastosowaniu naturalnych substancji dodatkowych. Aby ograniczyć negatywne zmiany chemiczne spowodowane utlenianiem, do produktów spożywczych coraz częściej dodaje się związki pochodzenia roślinnego np. polifenole. Poza owocami i warzywami bogatym źródłem polifenoli, a tym samym związków o właściwościach przeciwutleniających, są przyprawy i zioła. Cały czas prowadzone są badania w kierunku pozyskania nowych, potencjalnych źródeł naturalnych przeciwutleniaczy, których dodatek będzie nie tylko chronił żywność przed niekorzystnymi zmianami podczas przechowywania, ale również wzbogacał ją w składniki bioaktywne. W.tym celu mogą być stosowane takie rośliny, jak czarnuszka siewna, tarczyca bajkalska czy gryka.

EN

Food purchasing decisions are largely determined by consumers’ nutritional knowledge. Growing consumer awareness and controversy over the use of synthetic additives challenge the food industry to ensure quality high product using natural additives. In order to reduce the negative chemical changes caused by oxidation, compounds of plant origin, such as polyphenols, are increasingly added to food products. Besides fruit and vegetables, a rich source of polyphenols, and thus compounds with antioxidant properties are spices and herbs. Research is constantly being conducted to find new potential sources of natural antioxidants, the addition of which will not only protect food from adverse changes during storage, but also enrich it with bioactive components. Plants such as black cumin, baikal skullcap or buckwheat can be used for this purpose.

18

Antyoksydanty w piwie.Jak zwiększyć ich zawartość?

Stachowiak Barbara

Kierunek Spożywczy

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2022

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Nr 3

46-48, 51-54

PL

Walory sensoryczne piwa stały się ważnym czynnikiem determinującym decyzje zakupowe konsumentów. Szczególnie jest to zauważalne w przypadku piwa bezalkoholowego. Jednak często nie jesteśmy świadomi właściwości odżywczych i prozdrowotnych tego napoju. Te ostatnie to zasługa przede wszystkim przeciwutleniaczy, które redukują stres oksydacyjny i oksydacyjne uszkodzenia składników komórek, co stanowi główną przyczynę chorób cywilizacyjnych. Poprawa aktywności przeciwutleniającej żywności i napojów jest obecnie promowaną strategią służącą polepszeniu ludzkiego zdrowia. Czy można w nią wpisać również piwo?

19

A novel HPLC method for simultaneous quantification of eleven phenolic antioxidants in commercial personal care and food products which contain extracts of green apple, pomegranate and argan oil

Moussad Ranim I., Salam Randa A. Abdel, Hadad Ghada M., EL Gindy Alaa, Foudah Ahmed I., Hameed Eman A. Abdel

Acta Chromatographica

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2022

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Vol. 34, no. 1

77--86

EN

In this study, a simple, fully validated and rapid reversed-phase HPLC with photodiode array detector method was developed for the simultaneous determination of 11 selected phenolic antioxidants over 33 min in personal care and food samples containing extracts of green apple, pomegranate (Ponica granatum) and argan oil (Argania spinosa). The method was performed using NUCLEODUR C18 column 5 µm particle size and 12.5 cm length. The HPLC mobile phase was prepared as follows, solution A: 1% aqueous acetic acid and solution B: Acetonitrile. The method was gradient at flow rate 1.0 mL/min with a simple mobile phase, minimal sample preparation, and diminished organic solvent usage (3% acetonitrile for almost 90% of the run time). The detection was carried out at 278 nm. The method presented good precision and accuracy with RSD% values ranged between 0.33 and 1.94% and wide linear range. The developed method was successfully applied on 67 personal care and food products present in Egyptian market and can be used for routine screening in laboratory for the regular quality control of the antioxidant content for products containing the mentioned extracts.

20

Fitozwiązki jako wszechstronne dodatki do polimerów

Olejnik Olga, Masek Anna

Modelowanie Inżynierskie

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2021

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T. 42, nr 73

30--34

PL

Substancje pomocnicze są niezbędne, by poprawić lub nadać nowe właściwości materiałom polimerowym. Niestety, wiele z dodatków nie tylko otrzymywana jest z surowców nieodnawialnych, ale także negatywnie oddziałuje na środowisko naturalne oraz zdrowie człowieka, co jest coraz częściej komentowane przez naukowców z dziedziny ekologii. Niniejsza praca przedstawia przykłady fitozwiązków ze szczególnym uwzględnieniem przeciwutleniaczy, które mogą być stosowane jako wszechstronne proekologiczne dodatki do polimerów. Mają one szansę spełniać rolę nie tylko stabilizatorów, ale także wiele z nich może jednocześnie znaleźć inne zastosowanie, np. jako barwniki, napełniacze, plastyfikatory, indykatory starzenia czy substancje sieciujące. Związki te mogą sprawdzić się w roli proekologicznych dodatków z uwagi na ich pochodzenie, nietoksyczność oraz zdolność do biodegradacji.

EN

Additives are necessary in order to improve or give to polymeric materials new properties. Unfortunately, many of these substances are derived from nonrenewable resources as well as they have a negative impact on natural envi- ronment and human health, which is widely commented by ecologists. This paper presents examples of phyto- chemicals, especially natural antioxidants, which can be applied as versatile pro-ecological additives for polymers. These natural substances can be utilized not only as stabilizers, but also as dyes, fillers, plasticizers, aging indica- tors or curing agents simultaneously. These compounds can be used as fully pro-ecological additives because of the origin, non-toxicity and biodegradability.