In this paper,collagen peptide powder from the shark skin was prepared by some biochemistry techniques including proteinase hydrolysis,spray torrefaction.

• 以鲨鱼皮为原料,采用现代生物化学技术制备胶原蛋白肽水解液,经过喷雾干燥,获得鲨鱼皮胶原蛋白肽干粉。