The studies indicated that the main compositions of Gelatina Nigra are protein,polypeptides,animo acids,mental elements,dermatan sulfate,biotic acids and so on.

• 近年有关阿胶成分及质量评价研究文献表明,阿胶主要成分为蛋白质水解产生的多肽、多种氨基酸、金属元素及硫酸皮肤素、生物酸等。