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우릉쉥이(Cynthia roretzi v. Drasche)의 消化酵素에 對하여 (第2報)

Studies on the Digestive Enzyme of Cynthia roretzi V. Drasche Ⅱ

약학회지 1960년 5권 1호 p.51 ~ 55
서석수, 양한술,
소속 상세정보
서석수 (  ) - Pusan National University College of Pharmacy
양한술 (  ) - Pusan National University College of Pharmacy

Abstract


Some enzymatic proporties of Cynthia roretzi V. Drasche (Korean : U-Rung-Shei) was studied by author. and obtained the followlng results;
1. The optimum pH of the digestive gland proteinase was 7.4~7.6
2. Activity of metallic ion on the preteinase showed the following order; lO^(-3) M. Mn^(++)>10^(-3)M. Co^(++)>10^(-4) M. Mg^(++)>10^(-2) M. Sr^(++)
Inhibrtion of metallic iOn on the Proteinase showed following order; 10^(-3) M. Ag^(+)>10^(-3) M.cd^(++)>10^(-3) M. Pb^(++)>10^(-3) M. Zn^(++)
3. The digestiue gland enzyme inactivated at 70℃, but no influence at50℃.
4. When the enzyme Concentration increase 2times, and 3times, the enzymatic activity also increase, but not proportionally
5. The digestive gland Proteinase showed remarkably higher enzymatic activity than the intestinal Proteinase.
6. The digestive gland amylase brom the ascidion showed reimarkobly higher enzymatic activity than the heptaponcreatic amylase from shell fish (Turbo (Batillus) Cornutus Solander.)
(Received November 11, 1959)

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