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Functional properties of collagen from squid skin were investigated.The results showed that the maximum absorption wavelength of collagen prepared from squid skin was 220nm and the molecular weight was about 220kDa.The solubility in water of collagen extracted by hot water and papain hydrolysis was better than collagen extracted by acetic acid.Collagen extracted by hot water,acetic acid and papain hydrolysis possesses suitable water-binding capability.Wetting capability of collagen extracted by hot water and papain hydrolysis was better than collagen extracted by acetic acid.Collagens extracted by the three methods all showed excellent oil-holding capability.