The relation with growth environment and the total flavonoid and polysaccharide contents in Radix Astragali root.
不同产地土壤中营养元素对膜荚黄芪根中总黄酮、多糖含量具有一定的影响。
Methods:The optimum composition and condition for the extraction of OJ were obtained by orthogonal test whose indications were the content of the total flavonoid and the hyperin.
方法：采用正交设计法，因素为溶剂用量、浓度、提取时间和次数，以总黄酮及金丝桃苷含量为指标综合分析。
Using rutin as the standard sample, total flavonoid content in purple sweet potato for food packaging paper dying was determined by Vis-and UV-spectrophotometry.
以芦丁为标准样品，比较了可见光及紫外光分光光度法测定食品包装纸用色素紫甘薯总黄酮的方法。
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