[Analysis of volatile aldehydes by radio-gaschromatography (author's transl)]. 1975

W Heimann, and K H Franzen, and A Rapp, and H Ullemeyer

Soya- and oats-lipoxygenase (E.C. 1.13.1.13.) are incubated by 14C-marked linoleic acid. The volatile aldehydes arising thereby are isolated. The activity of the components separated by gaschromatography is written down by a printing indicator and the impulses/min are registered and printed out by a ratemeter. Thus the aldehydes which are produced by the enzymatic oxydation with lipoxygenase from the molecule of the linoleic acid can be determined. The composition of the mixture of aldehyde is calculated in mol-% from the measured impulses per peak. A possible origin of pathway is indicated for the main reaction products hexanal (soya-lipoxygenase) and non-trans-2-enal (oats-lipoxygenase).

UI MeSH Term Description Entries
D008041 Linoleic Acids Eighteen-carbon essential fatty acids that contain two double bonds. Acids, Linoleic
D008084 Lipoxygenase An enzyme of the oxidoreductase class primarily found in PLANTS. It catalyzes reactions between linoleate and other fatty acids and oxygen to form hydroperoxy-fatty acid derivatives. Lipoxidase,Linoleate-Oxygen Oxidoreductase,Lipoxygenase-1,Lipoxygenase-2,Linoleate Oxygen Oxidoreductase,Lipoxygenase 1,Lipoxygenase 2,Oxidoreductase, Linoleate-Oxygen
D010084 Oxidation-Reduction A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471). Redox,Oxidation Reduction
D011854 Radiochemistry The study of the chemical and physical phenomena of radioactive substances. Radiochemistries
D002384 Catalysis The facilitation of a chemical reaction by material (catalyst) that is not consumed by the reaction. Catalyses
D002523 Edible Grain SEEDS used as a major nutritional source, most often the grain from the POACEAE family. Cereals,Cereal Grain,Cereal,Cereal Grains,Edible Grains,Grain, Cereal,Grain, Edible,Grains, Cereal,Grains, Edible
D002849 Chromatography, Gas Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix. Chromatography, Gas-Liquid,Gas Chromatography,Chromatographies, Gas,Chromatographies, Gas-Liquid,Chromatography, Gas Liquid,Gas Chromatographies,Gas-Liquid Chromatographies,Gas-Liquid Chromatography
D000447 Aldehydes Organic compounds containing a carbonyl group in the form -CHO. Aldehyde
D013025 Glycine max An annual legume. The SEEDS of this plant are edible and used to produce a variety of SOY FOODS. Soy Beans,Soybeans,Bean, Soy,Beans, Soy,Soy Bean,Soybean

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