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| Property determination of freshwater fish oil and its application in human milk fat substitutes |
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| KeyWord:freshwater fish oil human milk fat substitutes fatty acid sn-2 fatty acid |
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| Abstract: |
| Ten kinds of freshwater fish oils were collected and their fatty acid compositions and sn-2 fatty acid compositions were analyzed. The results showed that the contents of palmitic acid and oleic acid were in the ranges of 15%-25% and 25%-45% respectively in most freshwater fish oils, which were similar to human milk fat. The contents of sn-2 palmitic acid in basa catfish oil, black flah oil, bass oil, carp oil and silver carp oil were 44.27%, 40.91%, 31.31%, 30.02% and 31.02% respectively, and the distributions of sn-2 palmitic acid were all above 50%. The contents of sn-1,3 oleic acid of basa catfish oil and black flah oil were about 50%, and the existence of OPO was validated by UPLC-MS/MS. It was conjectured that basa catfish oil and black flah oil were suitable to be the base oil in human milk fat substitutes. The total content of medium chain fatty acid including C10∶?0 and C12∶?0 was above 10% in carp oil, which was easy for infants to absorb. The DHA content in bass oil was 12.73%, which played a key role in infants intelligence development. Carp oil and bass oil were suitable to be stock oil in human milk fat substitutes. |
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