HPLC法测定天然胡萝卜素胶丸中β—胡萝卜素的含量

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采用HPLC定量测定天然胡萝卜素胶丸中β-胡萝卜素的含量,该法用硅胶预柱对样品进行前处理,以ODS柱为分析柱,以甲醇-乙腈为流动相,检测波长为450nm。实验表明,该方法线性良好,平均回收率为99.2%》
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