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2 2023

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Trans-resveratrol as a health beneficial molecule: activity, sources, and methods of analysis

Malinowska Magdalena Anna, Sharafan Marta, Lanoue Arnaud, Ferrier Manon, Hano Christophe, Giglioli-Guivarc’h Nathalie, Dziki Anna, Sikora Elżbieta, Szopa Agnieszka

Scientiae Radices

2023

Vol. 2, Iss. 3

268--294

Trans-Resveratrol, a natural polyphenol found in various plant species, has gained significant attention due to its potential health-promoting properties. This article reviews the biological activities attributed to trans-Resveratrol, its dietary sources, and the analytical methods employed for its quantification. The compound antioxidant, anti-inflammatory, anticancer, cardioprotective, and neuroprotective activities are discussed in detail. Furthermore, the sources of trans-Resveratrol, including grapes, berries, and certain nuts, are examined in terms of their content variability and factors influencing production. Various chromatographic, spectroscopic, and immunoassay methods for the analysis of trans-Resveratrol in different matrices are also explored. This comprehensive overview underscores the significance of trans-Resveratrol as a potential molecule for enhancing human health and longevity.

Study on Ajuga reptans extracts as potential cosmetic raw materials

Dziki Anna, Malinowska Magdalena, Sikora Elżbieta

Polish Journal of Chemical Technology

2023

Vol. 25, nr 4

44--51

In the study, the possibility of an application of Ajuga reptans leaf and root extracts in antipollution cosmetics was investigated. The influence of Ajuga extracts on the skin condition was also evaluated. Both leaf and root Ajuga ethanolic extracts were obtained and added to the developed cosmetic formulations. Two types of emulsion W/O and O/W, washing gels and eye serum, containing as an active substance Ajuga extracts were prepared. For the stable formulations physicochemical and user properties were studied. The obtained results show that cosmetic products, containing the Ajuga reptans extracts, positively affect the skin condition: causing an improvement in the degree of skin hydration and elasticity, reducing the skin pores size and skin hyperpigmentation, and reducing the wrinkles depth.