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槲皮素 (ｑｕｅｒｃｅｔｉｎ)是芦丁 (ｒｕｔｉｎ)类药 ,用于治疗血管疾病 ,它与氧钛草酸钾 (ｐｏｔａｓｓｉｕｍｔｉｔａｎｙｌｏｘａｌａｔｅ)在ｐＨ 7.2的溶液中形成黄橙色络合物 ,在 4 30ｎｍ处有最大吸收 ,槲皮素的浓度在 (2 .5～ 5 .0 )× 10 - 6 ｍｏｌ·Ｌ- 1时的校正
Quercetin, a rutin class of drugs used to treat vascular disease, forms a yellow-orange complex with potassium titanyloxalate in a pH 7.2 solution with maximum absorption at 430 nm , The calibration of quercetin concentration (2.5 ~ 5.0 × 10 6 mol·L -1)