Keywords :
Aldehyde-Lyases/isolation & purification/metabolism; Aldehydes/metabolism; Beta vulgaris/enzymology; Chromatography, High Pressure Liquid; Cytochrome P-450 Enzyme System/isolation & purification/metabolism; Hexobarbital/metabolism; Hydrogen-Ion Concentration; Linoleic Acids/metabolism; Linolenic Acids/metabolism; Lipid Peroxides/metabolism; Plant Leaves/enzymology
Abstract :
[en] Hydroperoxide lyase activity was found in sugar beet leaves. Its optimum pH and temperature were, respectively, 6.7 and 22 degrees C. Under these conditions, conversion of linolenic acid 13-hydroperoxide to cis-3-hexenal with a maximum yield of 80% was reached after only 2 min. The stability of cis-3-hexenal was improved by acidifying the reaction medium. Based on these studies, a bioprocess producing green-note aldehydes in a laboratory-scale was achieved.
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