云南农业大学学报(自然科学)
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云南农业大学学报(自然科学) 2004, Vol. 19 Issue (5) :592-595    DOI:
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pH值对黑鲷胃肠道及肝胰脏主要消化酶活力的影响
梅景良;马燕梅;王 宏;张奇秀
(福建农林大学动物科学学院,福建 福州 350002)
The Effects of pH Value on the Main Digestive Enzyme Activities in Intestinal Canal and Hepatopancreas in Sparus macrocephalus
MEI Jin-liang;MA Yan-mei;WANG Hong;ZHANG Qi-xiu
(College of Animal Science,Fujian Agriculture and Forestry University,Fujian 350002,China)

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摘要 试验研究了pH值对黑鲷胃、肠及肝胰脏中蛋白酶、淀粉酶和脂肪酶等3种主要消化酶活力的影响。结果表明:在黑鲷正常的消化道酸碱条件下(胃pH值2.5,肠pH值7.5),蛋白酶活力大小顺序为:胃>肠>肝胰脏;淀粉酶活力大小顺序为:肝胰脏>肠>胃;脂肪酶大小顺序为:肠>肝胰脏>胃。胃蛋白酶、淀粉酶和脂肪酶的最适pH值分别为2.0,5.0和4.0,均在酸性范围;肠蛋白酶、淀粉酶、脂肪酶的最适pH值分别是7.0,7.0,7.5,肝胰脏蛋白酶、淀粉酶、脂肪酶的最适pH值分别是7.5,7.0,7.0,均为中性或略偏碱性。
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梅景良
马燕梅
王 宏
张奇秀
关键词黑鲷         肝胰脏   消化酶   pH     
AbstractIn this paper,the effects of pH value on the main digestive enzyme activities in intestinal canal and hepatopancreas in Sparus macrocephalus were studied. The results showed:in normal pH value in Sparus macrocephalus,the trend of protease activities of the intestinal canal and hepatopancreas are stomach>intestine>hepatopancreas,the trend of amylase activities of the intestinal canal and hepatopancreas are hepatopancreas>intestine>stomach, and the trend of lipase activities of the intestinal canal and hepatopancreas are intestine>hepatopancreas>stomach. The optimum pH values of stomach, intestine and hepatopancreasfor protease are 2.0,7.0,7.5 respectively,for amylase are 5.0,7.0,7.0 ,and for lipase are 4.0,7.5,7.0
KeywordsSparus macrocephalus   stomach   intestine   hepatopancreas   digestive enzyme   pH     
Received 2004-04-12;
引用本文:   
梅景良;马燕梅;王 宏;张奇秀.pH值对黑鲷胃肠道及肝胰脏主要消化酶活力的影响[J]  云南农业大学学报(自然科学), 2004,V19(5): 592-595
MEI Jin-liang;MA Yan-mei;WANG Hong;ZHANG Qi-xiu.The Effects of pH Value on the Main Digestive Enzyme Activities in Intestinal Canal and Hepatopancreas in Sparus macrocephalus[J]  Journal of Yunnan Agricultural University, 2004,V19(5): 592-595
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