数種の硬骨魚類におけるL-グロノラクトン酸化酵素の存在

書誌事項

タイトル別名
  • Existence of L-gulonolactone oxidase in some teleosts.
  • 水産動物のL-アスコルビン酸に関する生化学的研究-10-数種の硬骨魚類におけるL-グロノラクトン酸化酵素の存在〔英文〕
  • スイサン ドウブツ ノ L アスコルビンサン ニ カンスル セイカガクテキ ケ
  • Biochemical Studies on L-Ascorbic Acid in Aquatic Animals-X.

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説明

This study deals with the species distribution in fishes of L-gulonolactone oxidase (EC, 1.1.3.8), which catalyzes the conversion of L-gulono-γ-lactone to L-ascorbic acid (AsA).<br> In carp, the activity was found in the hepatopancreas with a faint activity in the kidney and dark muscle, and the enzyme was located in the soluble fraction from the hepatopancreas. The activity of carp hepatopancreas was about one-third that of rat liver. This enzyme was also found in the hepatic tissues of gengorobuna, ugui, and catfish which belong to Cypriniformes but has not been detected in any of the other fishes so far tested, such as rainbow trout, amago, ayu, eel, red sea bream, yellow-tail, kawahagi, and tilapia. These findings suggest that some fishes are able to synthesize AsA and be independent of a dietary source of the vitamin under normal conditions.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 44 (7), 775-779, 1978

    公益社団法人 日本水産学会

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