Chemical composition of the infrapatellar fat pad of swine

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Journal titleJournal of Anatomy
IssueApril 4
Pages301306; # of pages: 6
Subjectadipose connective tissue; hyaluronic acid; sulphated galactosaminoglycan
AbstractThe porcine infrapatellar fat pad is a structure composed of adipocytes and adipose connective tissues. Limited information is available concerning its chemical composition. Samples of the fat pad collected from young hogs were dissected into two portions: a relatively hard core of the pad with cushioning properties (inner tissue), and a soft adipose tissue surrounding the core (outer tissue). The inner tissue contained less moisture and nitrogen than did the outer tissue. The yield of dry-delipidated tissue was also lower in the inner tissue, indicating a higher content of lipid in this tissue. Fatty acid analysis showed that the proportions of C18: 1, C16: 1 and C18: 2n-6 are higher, and the proportion of C16: 0 is lower in the inner than in the outer tissue. Collagen is the major protein, with relatively small amounts of glycosaminoglycans in both tissues. The content of hyaluronic acid relative to sulphated galactosaminoglycan was lower in the inner than in the outer tissue. The electrophoresis pattern of sulphated galactosaminoglycan was also different between the two tissues. These results suggest that chemical composition varies between adipose tissues with different biomechanical function.
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AffiliationNational Research Council Canada
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Peer reviewedYes
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NPARC number9148836
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Record identifier2f48ceae-e94f-4cc8-8835-b843992ee7b4
Record created2009-10-02
Record modified2016-05-09
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