Phytochemistry p. 407 - 410 (1989)
Update date:2022-08-05
Topics:
Kajiwara, Tadahiko
Yoshikawa, Hiroshi
Matsui, Kenji
Hatanaka, Akikazu
Kawai, Tetsuo
The greater part of the enzyme activity producing long chain aldehydes (LCA) such as (8Z)-heptadecanal, (8Z,11Z)-heptadecadienal, (8Z,11Z,14Z)-heptadecatrienal was found in the 4000 g precipitate of homogenates of the green alga, Ulva pertusa.The LCA-forming activity was readily solubilized from the precipitate by addition of 0.2percent Triton X-100.The solubilized LCA-forming activity showed an optimum pH in the range 8.5-9.5. α-Linolenic acid was a very good substrate, but γ-linolenic acid was a poor substrate for the activity.Linoleic acid was the best substrate of an entire series of (ζ6Z, ζ9Z)-dienoic acids, in which the chain length varied from C13 to C20.Key Word Index - Ulva pertusa; green alga; odour; aldehydes; fatty acids; substrate specificity.
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