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牡蛎壳的成分,除含有碳酸钙等无机物外,还含有少量的角蛋白.目前仅知其有制酸作用.最近日本的研究人员,发现牡蛎壳温水浸出液,能促进
The composition of oyster shells contains a small amount of keratin in addition to inorganic substances such as calcium carbonate. Currently, only the acid is known. Recent researchers in Japan have found that oyster shell warm water extract can promote