Dietary lecithin improves the compression properties of pork from the semitendinousus muscle

Document Type

Conference Proceeding

Publication Date

2005

Conference Title

Tenth Biennial Conference of the Australasian Pig Science Association

Place of Publication

Christchurch

ISBN

978-0-9806880-4-7

ISSN

1324-9177

Keywords

pigs, swine, pork

Disciplines

Animal Sciences | Meat Science

Abstract

Consumers rate tenderness and texture as important eating quality attributes of pork. Pork tenderness and texture are affected by the collagen and myofi bril protein components of pork. For example, cross-linking and temporal pattern of thickening of collagen fi brils and the subsequent decline in heat solubility can result in tough and chewy pork (Fang et al., 1999). In this experiment we hypothesised that the phospholipid, polyenylphosphatidylcho line (PPC), present in lecithin extracted from soy beans would decrease the cross-linking of collagen fi brils (Lieber et al.,1990) and that this would improve the tenderness and texture of pork. The aim was to determine the effect of dietary lecithin supplementation during the grower and fi nisher growth phases on the compression properties (measure of texture) of pork.

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