蛋壳膜中含有与人皮肤弹性有关的角蛋白及构成胶原蛋白的羟脯氨酸。
The eggshell membrane contains keratin which is related to the skin flexibility and hydroxyproline which is the component of colloid protein.
所提取胶原的纯度以羟脯氨酸质量分数为基准，采用分光光度法测定为95 7%。 其结构为红外光谱所确证。
The purity of collagen was 95.7% based on the hydroxyproline content determined by UV. The struture of collagen was identified by FTIR.
本发明可以提供包含胶原或明胶或者其降解产物以及羟脯氨酸或其盐的经口组合物。
According to the invention, the oral composition containing collagen or gelatin or a decomposed product thereof and hydroxyproline or a salt thereof can be provided.
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