分光光度法测定破壁灵芝孢子粉中三萜类化合物的含量

分光光度法测定破壁灵芝孢子粉中三萜类化合物的含量

R284.1; 目的:建立破壁灵芝孢子粉中三萜及甾醇含量的测定方法.方法:以齐墩果酸为对照品,用5％香草醛冰醋酸、高氯酸显色,在546 nm波长处测定样品吸光度.结果:齐墩果酸在0.01834～0.0917 mg·mL-1线性关系良好,回归方程为y=7.54560x-0.01161,相关系数R2=0.99954,回收率为95.52％～101.29％,均值为98.55％,RSD为2.5％,方法重复性试验测定样品含量值范围为3.66％～3.85％,均值为3.76％,RSD为1.9％.结论:该方法操作简便、快速,结果稳定,重现性好,适用于破壁灵芝孢子粉中三萜及甾醇含量的测定....

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Veröffentlicht in:现代食品 2021, Vol.29 (23), p.188-190
Hauptverfasser: 施慧君, 吴韵瑶, 袁筱怡, 吴小玲, 钟小红
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container_end_page 190
container_issue 23
container_start_page 188
container_title 现代食品
container_volume 29
creator 施慧君
吴韵瑶
袁筱怡
吴小玲
钟小红
description R284.1; 目的:建立破壁灵芝孢子粉中三萜及甾醇含量的测定方法.方法:以齐墩果酸为对照品,用5％香草醛冰醋酸、高氯酸显色,在546 nm波长处测定样品吸光度.结果:齐墩果酸在0.01834～0.0917 mg·mL-1线性关系良好,回归方程为y=7.54560x-0.01161,相关系数R2=0.99954,回收率为95.52％～101.29％,均值为98.55％,RSD为2.5％,方法重复性试验测定样品含量值范围为3.66％～3.85％,均值为3.76％,RSD为1.9％.结论:该方法操作简便、快速,结果稳定,重现性好,适用于破壁灵芝孢子粉中三萜及甾醇含量的测定.
doi_str_mv 10.16736/j.cnki.cn41-1434/ts.2021.23.054
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title 分光光度法测定破壁灵芝孢子粉中三萜类化合物的含量
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