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酵母菌中核黄素含量的测定 被引量:1

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摘要 目的是寻找一种测定酵母菌中核黄素含量的简单快速方法,并进行条件摸索。用紫外分光光度计,在200~700nm之间对标准品进行光谱扫描,确定维生素(B2VB2)标准品的最大吸收波长;利用超声波提取法提取样品VB2,再对样品进行测定。测得酵母菌VB2含量为0.9889μg·mL-1。测定的VB2含量结果满意,实验可重复性好,较HLPC、荧光法等方法简单、易操作;得到满意的试验结果。
出处 《饲料博览》 2006年第7期22-23,共2页 Feed Review
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