The cholesterol in powder of duck egg yolk was measured by HPLC and colorimetry method after direct saponification in this paper.
试验通过直接皂化-比色法和直接皂化- HPLC两种方法测定了鸭蛋蛋黄粉中胆固醇的含量。
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Demulsification and separation should be done to analyze its content, its saponification and acid value were analyzed after separation, then the ester content can be obtained.
Sodium hydroxide in order to enable complete saponification, Handmade Soap, after making necessary to place one to two months Time to complete saponification.