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| Branched chain fatty acid compositions of vernix caseosa and lanolin |
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| DOI： |
| KeyWord:BCFA vernix caseosa lanolin pret erm infant |
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| Abstract: |
| Branched chain fatty acids (BCFA)are prominent components of vernix caseosa. They are obtained by fetus through the ingestion of amniotic fluid to participate in the role of intestinal tract defense. Preterm infant swalls less amount of vernix caseosa, which makes them be lack of BCFA in intestinal tract,so they need external supplement of BCFA.Lanolin is a potential natural source of BCFA. The BCFA compositions of vernix caseosa and lanolin were analyzed.The results showed that vernix caseosa contained complex lipid species, mainly non-polar lipids.The BCFA contents in total lipids and triglycerides in vernix caseosa were 17.16% and 16.12%,respectively.There were eleven kinds of BCFA detected in vernix caseosa,in which the contents of isoC12∶?0, isoC14∶?0, isoC16∶?0 and anteisoC15∶?0 were higher. The fatty acid in lanolin contained about 48.53% BCFA, including most BCFA that detected in vernix caseosa, so lanolin could mimic BCFA in vernix caseosa and had the value to be used in formula food of preterm infants. |
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