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Właściwości chemiczne ekologicznych olejów roślinnych tłoczonych na zimno

Krajewska M., Andrejko D., Ślaska-Grzywna B.

Przemysł Chemiczny

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2015

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T. 94, nr 10

1714-1716

PL

Przeprowadzono tłoczenie na zimno oleju z nasion rzepaku ozimego (Brassica napus L.) odmiany Adriana, lnu włóknistego (Linum usitatissimum L.) odmiany Luna, konopi włóknistych (Cannabis sativa L.) odmiany Beniko, maku niebieskiego (Papaver somniferum L.) odmiany Major, rzeżuchy ogrodowej (Lepidium sativum L.) i czarnuszki siewnej (Nigella Sativa L.). W nasionach oznaczono zawartość tłuszczu. Obliczono wydajność tłoczenia oleju. W olejach oznaczono liczbę kwasową (LK), liczbę nadtlenkową (LN) oraz stabilność oksydatywną. Wszystkie użyte do badań nasiona charakteryzowały się zbliżoną zawartością tłuszczu wynoszącą 30–40%, z wyjątkiem rzeżuchy (13,4%). Uzyskane oleje spełniały normy jakościowe pod względem wartości LK, ale charakteryzowały się małą stabilnością oksydatywną (wyjątek stanowił olej rzepakowy).

EN

Seeds of oilseed rape (Brassica napus L.) varieties Adriana, fiber flax (Linum usitatissimum L.) varieties Luna, hemp (Cannabis sativa L.) varieties Beniko, blue poppy (Papaver somniferum L.) varieties Major, garden cress (Lepidium sativum L.), fennelflower (Nigella sativa L.) were analyzed for fat content and cold-pressed (room temp.) to det. the oil extn. efficiency. The oils were characterized by acid no., peroxide value and oxidative stability. All the seeds (except for cress) had a similar fat content to 30–40%. The oils met the quality requirements but showed low oxidative stability except for rapeseed oil.

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Exergetic Analysis For A Complete Node Of Fluidised-Bed Drying Of Poppy Seeds

Skoneczna-Łuczków J., Ciesielczyk W.

Chemical and Process Engineering

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2015

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Vol. 36, nr 4

437--447

EN

The article presents an experimental-theoretical analysis of fluidised-bed drying of poppy seeds directed on minimisation of energy. The analysis was performed for a complete drying node incorporating a heat exchanger and a fan. Two complementary factors were used in the exergetic evaluation: exergy efficiency and unit consumption of exergy. An analysis of drying in stationary bed was carried out for comparison purposes. Results of the exergetic analysis can become a basis for innovative works focused on decreasing energy consumption of a technological node being analysed, e.g. by the use of recirculation of fluidising-drying medium.

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Determination of morphine and codeine in serum after poppy seed consumption using gas chromatography-mass spectrometry

Mátyus M, Kocsis Gy, Boldis O, Karvaly G, Magyari E., Fűrész J, Gachályi A

Acta Chromatographica

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2012

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Vol. 24, no. 3

351--365

EN

A sensitive method was developed for the determination of free morphine and codeine in blood. This method is suitable for detection of the ingestion of illicit drugs. This test is applicable for monitoring therapeutic doses as well as stand up in the court of law. For the test we use with deuterium tagged morphine and codeine. We tag the blood specimens with deuterium prior to testing. The active ingredients (morphine and codeine) are extracted by solid phase extraction, and eventually derivatized with pentafluoro propionic anhydride (PFPA). The resulting compounds are stable and have good chromatographic characteristics. The Gas-chromatograph coupled Mass-spectrometer (GC/MS) system is used to determine the concentration of the resulting compounds using or/in the selective ion mode (SIM). The results of the target and qualifier ions were 414, 577, 361 in the case of morphine, and 282, 445 in the case of codeine. During our measurements, the graph was linear between 1 and 100 ng / mL. All the results of the qualifications were in line with the German Standards DIN 32645, which were checked with the B.E.N. program.