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。
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.
结果表明，紫甘薯红色素具有与其它几种红色素相似的理化稳定性，其热稳定性与紫米相似，但优于其它色素；
The red pigments of purple sweetpotatoes were showed similar stable to purple rice red pigments, but higher than any other pigments tested when they are heated;
结果紫甘薯花青素成分包括有矢车菊素、飞燕草素、锦葵色素、牵牛花色素和甲基花青素。
Results anthocyanin from purple sweet potato consists of cyanidin, delphinidin, malvidin, petunidin and methyl anthocyanins.
结果紫甘薯花青素成分包括有矢车菊素、飞燕草素、锦葵色素、牵牛花色素和甲基花青素。
Results anthocyanin from purple sweet potato consists of cyanidin, delphinidin, malvidin, petunidin and methyl anthocyanins.
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