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Influence of pH on Survival, Growth and Activities of Digestive Enzymes of Odontobutis obscures

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Author(s): Jian-Sheng Ye | Xiao-Jiang Chen | Yong-yong Zhu

Journal: Advance Journal of Food Science and Technology
ISSN 2042-4868

Volume: 5;
Issue: 9;
Start page: 1234;
Date: 2013;
Original page

Keywords: Activities of digestive enzymes | growth | Odontobutis obscurus | survival

ABSTRACT
The aim of our research is to explore the suitable range of pH for Odontobutis obscures Include the influence of pH on the survival, growth and activities of digestive enzymes of Odontobutis obscures. The results showed that Odontobutis obscures can survive well at 6.5~8.5 of pH. At 8.0 of pH, Odontobutis obscures gained fastest, the average weight gain rate was 21.23%. The activity of protease, amylase and lipase of the Odontobutis obscures increase with pH; while attained the maximum, activities of digestive enzymes decreased with pH. The optimum pH of protease is 8.5, amylase is 7.5-8.0, lipase is 7.5.
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