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우릉쉥이(Cynthia roretzi v. Drasche)의 消化酵素에 對하여 (第1報)

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

약학회지 1960년 5권 1호 p.45 ~ 49
서석수, 양한술,
소속 상세정보
서석수 (  ) - Pusan National University College of Pharmacy
양한술 (  ) - Pusan National University College of Pharmacy

Abstract


Some enzymatic properties of Cynthia roretzi v. (Drasche Korean : U-Rung-Shei) was studied by author and obtained the following results;
Amylase
1. The optimum pH of the digestive gland amylase was 6.8~7.0
2. Activity of metallic ion on the amylase showed the following order; 10^(-3)M Mn^(++)>10^(-3)MCo^(++) 10^(-4)M Mg^(++)>10^(-4)M C^(++)>10^(-3) Sr^(++). Inhilition of metallic ion on the amylase showed following order; 10^(-2) Cd^(++)>10^(-2)M Zn^(++)>10^(-2)M Pb^(++)
3. The digestive gland eazyme inactivated at 70℃.
4. When the enzyme conacentration increase 2 times, the enzymatic activity also increase, but not proportionally.
5. The digestive gland amylase showed remarkably higher enzymatic activity than the intestinal amylase.
6. The digestive gland amylase from the ascidian showed remarkably higher enzymatic activity than the heptancreatic amylase from shell fish (Turbo (Batillus) Cornutus Solander).
(Received November 1959)

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