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BACKGROUNDCollagen has a wide range of applications in food, biomedical and pharmaceutical products.
RESULTSThe collagens in grass carp (Ctenopharyngodon idella) skin and swim bladder were extracted using acetic acid and pepsin. Higher yield of pepsin‐soluble collagen (PSC) was obtained from skin (178 g kg−1) than from swim bladder (114 g kg−1). Not surprisingly, yields of PSC from skin and swim...
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