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作 者:张嘉昕[1] 胡代花[1] Zhang Jiaxin Hu Daihua(Shaanxi Sci-Tech University, Vitamin D Research Institute, Hanzhong 723000, Chin)
机构地区:[1]陕西理工大学维生素D生理与应用研究所,陕西汉中723000
出 处:《广东化工》2016年第22期19-20,51,共3页Guangdong Chemical Industry
基 金:陕西省自然科学基金项目(2014JQ2083);陕西省2011计划陕南秦巴山区生物资源综合开发协同创新中心项目(QBXT-Z(P)-15-15);陕西理工大学校级科研项目(SLGKY16-19)
摘 要:目的:建立紫外分光光度法(UV法)快速测定金针菇粉末中麦角甾醇含量。方法:以无水乙醇为提取溶剂,40℃超声15min提取一次,检测波长292nm。结果:麦角甾醇线性范围为5.00-50.00μg/mL.相关系数为O.9995,平均回收率(n=9)为105.31%,样品在24h以内稳定。结论:本方法的线性关系、精密度、稳定性、重复性及精密度均良好,为一种可快速测定金针菇等食用菌中麦角甾醇的测定方法。Objectic: To establish an Ultraviolet spectrophotometry (UV method) for rapid quantitative determination of ergosterol in enoki mushroom. Method: The sample was ultrasonic extracted by alcoholat in 40 ℃ for 15 minutes for 1 time. The detection wavelenth was 292 nm. Results: The liner ranges of ergosterol were 5.00-50.00 μg·mL-1 (r=0.9995), respectively. The average recoveries (n=9) of ergosterolin in enoki mushroom powder was 105.31%, respectively. The sample is stable in 24 hours. Conclusion: The above established method is simple, reliable, stable and accurate, which can be used to determine the ergosterol in the enoki mushroom powder rapidly.
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