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以芦丁为标准品 ,标准品和供试品经硫酸水解后 ,在紫外分光光度仪 2 6 7nm处测定银杏制剂中的黄酮含量 ,该法简便易行 ,快速 ,重现性好 .
With rutin as standard, standard and the test sample after hydrolysis by sulfuric acid, the content of flavonoids in Ginkgo biloba extract was determined at 267nm by UV spectrophotometer. The method is simple, rapid and reproducible.