Non-Enzymatic Isomerization of 12-Hydroxy-(3Z)-dodecenal to the (2JE)-Isomer after Enzymatic Cleavage of 13-HydroperoxylinoIeyl Alcohol in Tea Chloroplasts

Non-Enzymatic Isomerization of 12-Hydroxy-(3Z)-dodecenal to the (2JE)-Isomer after Enzymatic Cleavage of 13-HydroperoxylinoIeyl Alcohol in Tea Chloroplasts

Incubation of synthetic 12-hydroxy-(3 Z)-dodecenal (3 ZHD) with tea chloroplasts revealed that 12-hydroxy-(2 E)-dodecenal (2 EHD) was the product of isomerization reaction of 3 ZHD during the incubation. The isomerization was caused also by incubation of 3 ZHD with the heat-inactivated chloroplasts....

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Veröffentlicht in:Zeitschrift für Naturforschung C. A journal of biosciences 1989-02, Vol.44 (1), p.161-164
Hauptverfasser: Hatanaka, Akikazu, Kajiwara, Tadahiko, Matsui, Kenji, Matsunaga, Tomohiko
Format: Artikel
Sprache:eng
Schlagworte:
13-Hydroperoxylinoleyl Alcohol. 12-Hydroxy-(2E)-dodecenal. 12-Hydroxy-(3Z)-dodecenal. Tea Chloroplasts
Isomerization Factor
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Zusammenfassung:Incubation of synthetic 12-hydroxy-(3 Z)-dodecenal (3 ZHD) with tea chloroplasts revealed that 12-hydroxy-(2 E)-dodecenal (2 EHD) was the product of isomerization reaction of 3 ZHD during the incubation. The isomerization was caused also by incubation of 3 ZHD with the heat-inactivated chloroplasts. The isomerization activity was extracted with hot ethanol. These results indicate that the isomerization was caused by heat-stable factor(s) but not by enzyme(s) in tea chloroplasts.
ISSN:0939-5075
1865-7125
DOI:10.1515/znc-1989-1-224