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Dehydro - L - ascorbic Acid 가 흰쥐 간 조직호흡과 Succinic Dehydrogenase 활성에 미치는 영향
문경애,김현옥,송정석 ( Kyung Ae Moon,Hyun Ock Kim,Chung Suk Song ) 생화학분자생물학회 1975 BMB Reports Vol.8 No.2
Dehydro-L-ascorbic acid (DHA) was added to the liver homogenates of rats and the O₂-consumption was observed. DHA increased the O₂-consumption at low levels of DH A but decreased it at high levels. DHA inhibited the O₂-consumption in the succinic dehydrogenase-cytochrome oxidase system of the liver homogenates of rats, but addition of cytochromeic reversed the inhibitory effect of DHA and tended to increase the O₂-consumption when cytochrome c was added in sufficient quantity. It may be suggested then that DHA stimulates succinic dehydrogenase but inhibits the activity of cytochrome c.
Dehydro - L - ascorbic Acid 가 L - Ascorbic Acid Oxidase 에 미치는 영향
문경애,김현옥,송정석 ( Kyung Ae Moon,Hyun Ock Kim,Chung Suk Song ) 생화학분자생물학회 1976 BMB Reports Vol.9 No.4
The effect of dehydro-L-ascorbic acid (DHA) on L-ascorbic acid oxidase in the rat liver homogenate was observed with Warburg apparatus and the following conclusions were obtained. L-Ascorbic acid (ASA) and DHA were destroyed considerably even in a state of phosphate buffer solution but when liver homogenate was added to solution both ASA and DHA were protected from destruction probably by the protective effect of the protein of the homogenate. DHA had no effect on the destruction of ASA at low concentration of DHA, but it inhibited the destruction of ASA at high concentration. Inhibition of the destruction of ASA by DHA was perhaps due to the effect of DHA on the cytochrome c.
Vitamin E 결핍 백서에서 Vitamin A 대사에 관한 실험
민혜성,김주성,문경애,김현옥,송정석 中央醫學社 1974 中央醫學 Vol.27 No.6
In vitamin E-deficient rats using the isolated perfused liver system, vitamin A transferred to the livers was observed and also high doses - of vitamin A by means of tube feeding. Vitamin A storage in the livers was observed and the following conclusions were obtained: 1) In the isolated perfused liver system, vitamin A transfer to the livers of vitamin E-deficient rats were significantly decreased to half as much as to that of vitamin E control-fed rats. 2) 2, 000 IU or 10, 000 IU of vitamin A was administered daily to rats for 3 days, then vitamin A storage in the livers was observed. Vitamin A storage in the livers of vitamin E-deficient rats was insignificantly lower than in those of vitamin E control-fed rats.