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Study on the Properties of Xylanase

Bing Yu

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Abstract

Properties of xylanases were studied by the method of DNS.The results showed that the optimal temperature and optimal pH of the xylanase was 50 ℃ and 6,respectively.Xylanase activity was stable between pH5 and pH10,and the themal stability of the enzyme was good in lipid below 60 ℃.The Km values and Vmax of xylanase for xylan from oat spelts under 50 ℃,pH6 were 6.49 mg/mL and 21.05 μg/(mL·min),respectively.The xylanase had the highest activity when xylan from oat spelts was used as the substrate.The enzyme activity was inhibited in stomach and restored in small intestine.

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What this paper is about

Properties of xylanases were studied by the method of DNS.The results showed that the optimal temperature and optimal pH of the xylanase was 50 ℃ and 6,respectively.Xylanase activity was stable between pH5 and pH10,and the themal stability of the enzyme was good in lipid below 60 ℃.The Km values and Vmax of xylanase for xylan from oat spelts under 50 ℃,pH6 were 6.49 mg/mL and 21.05 μg/(mL·min),respectively.The xylanase had the highest activity when xylan from oat spelts was used as the substrate.The enzyme activity was inhibited in stomach and restored in small intestine.

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Available abstract

Properties of xylanases were studied by the method of DNS.The results showed that the optimal temperature and optimal pH of the xylanase was 50 ℃ and 6,respectively.Xylanase activity was stable between pH5 and pH10,and the themal stability of the enzyme was good in lipid below 60 ℃.The Km values and Vmax of xylanase for xylan from oat spelts under 50 ℃,pH6 were 6.49 mg/mL and 21.05 μg/(mL·min),respectively.The xylanase had the highest activity when xylan from oat spelts was used as the substrate.The enzyme activity was inhibited in stomach and restored in small intestine.

Key concepts: Xylanase, Xylan, Enzyme, Chemistry, Substrate (aquarium), Biochemistry, Enzyme assay, Food science

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