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Significance of Increasing n-3 PUFA Content in Pork on Human Health

文献类型: 外文期刊

作者: Ma, Xianyong 1 ; Jiang, Zongyong 1 ; Lai, Chaoqiang 2 ;

作者机构: 1.Guangdong Acad Agr Sci, Key Lab Anim Nutr & Feed Sci South China, State Key Lab Livestock & Poultry Breeding, Minist Agr,Inst Anim Sci, Guangzhou 510640, Guangdong, Peoples R China

2.Tufts Univ, JM USDA Human Nutr Res Ctr Aging, Nutr & Genom Lab, Boston, MA 02111 USA

关键词: Pork;n-3 polyunsaturated fatty acids;human health;enrichment

期刊名称:CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION ( 影响因子:11.176; 五年影响因子:11.193 )

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收录情况: SCI

摘要: Evidence for the health-promoting effects of food rich in n-3 polyunsaturated fatty acids (n-3 PUFA) is reviewed. Pork is an important meat source for humans. According to a report by the US Department of Agriculture (http://www.ers.usda.gov/topics), the pork consumption worldwide in 2011 was about 79.3million tons, much higher than that of beef (48.2million tons). Pork also contains high levels of unsaturated fatty acids relative to ruminant meats (Enser, M., Hallett, K., Hewett, B., Fursey, G. A. J. and Wood, J. D. (1996). Fatty acid content and composition of English beef, lamb, and pork at retail. Meat Sci.44:443-458). The available literature indicates that the levels of eicosatetraenoic and docosahexaenoic in pork may be increased by fish-derived or linseed products, the extent of which being dependent on the nature of the supplementation. Transgenic pigs and plants show promise with high content of n-3 PUFA and low ratio of n-6/n-3 fatty acids in their tissues. The approaches mentioned for decreasing n-6/n-3 ratios have both advantages and disadvantages. Selected articles are critically reviewed and summarized.

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