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Abstract:
利用反向高效液相色谱(RP-HPLC)测定该酶产物尿酸的生成量,研究黄嘌呤氧化酶的酶学特性.结果表明,在50mmol/L Tris-HCl缓冲液和0.24mmol/L黄嘌呤的体系中,该酶检测反应的最适温度为37℃,最适pH8.4.XOD在pH7.0~9.0,40℃以下稳定,对黄嘌呤的Km值为0.043mmol/L.XOD酶激活剂包括水杨酸钠、半胱氨酸、组胺、硫酸铵、乙二胺四乙酸等.金属离子对其活性有抑制作用.低浓度表面活性剂Tween 80、SDS和Triton X-100对该酶活力影响不明显.
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食品科学
ISSN: 1002-6630
CN: 11-2206/TS
Year: 2008
Issue: 9
Volume: 29
Page: 420-422
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 1
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