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- 저자 : 송정식 ( Hyun Ock Kim (검색결과 2 건)
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백서 가토 및 닭에 있어서 그 연령에 따라 조직내 Dehydroascorbic Acid Reductase 활성에 대한 연구
김현옥,사혜순,송정식 ( Hyun Ock Kim,Hae Soon Sa,Chung Suk Song ) 생화학분자생물학회 1973 BMB Reports Vol.6 No.3
Dehydro-L-ascorbic acid reductase (DHA-reductase) activities in various tissues of rats, rabbits and chicken were determined and the following results were obtained: 1) Among the DHA-reductase activities in liver, brain, kidney, small intestine, muscle and adrenal of rats, rabbits and chicken, the highest activity was found in adrenal and the lowest activity in muscle of each animal. The DHA-reductase activities in liver, brain and small intestine were lower than that in adrenal, but were higher than that in muscle of each animal and the activity in kidney was slightly lower than those in liver, brain and small intestine. 2) DHA-reductase activities were decreasing immediately after the birth but soon were increasing in liver of rats and rabbits, but the DHA-reductase activity in liver of chicken was increasing immediately after the birth. 3) DHA-reductase activity in rats was found only in cytosol.
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흰 쥐에서 비타민 A 흡수에 미치는 비타민 C 의 영향
김현옥,김제현,송정식 ( Hyun Ock Kim,Je Hyun Kim,Chung Suk Song ) 생화학분자생물학회 1974 BMB Reports Vol.7 No.2
The effect of vitamin C on the intestinal absorption of vitamin A was observed in the rat. The various protein content diets (rice, 10% casein added in rice, 10%, and 30% casein) were fed. Vitamin A (2,000-40, 000 IU) and vitamin C (10 ㎎) at each day were administered for 3-7 days by the tube-feeding and the intraperitoneal injection, respectively. Vitamin A content in serum and liver was determined by the method of Oser et al. (1943). The following results were obtained: 1) Vitamin A content in the serum was increased by vitamin C in the all in vivo experiments, and 30% casein diet enhanced vitamin C effect on the increasing content as compared with 10% casein diet. 2) Vitamin A content in the liver was increased by the vitamin C in 10% and 30% casein diets. 3) Vitamin C did not significantly change the net vitamin A content in serum and liver in the isolated perfused system. These results may indicate that vitamin C may give effect on the enhancement of the intestinal absorption of vitamin A, but not on the circulatory transport into the liver.
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