Unbalanced omega-6/omega-3 ratio in red meat products in China.
Unbalanced omega-6/omega-3 ratio in red meat products in China.
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DOI：
10.7555/jbr.27.20130066
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发表时间：
2013-09
影响因子：
2.3
通讯作者：
Dai Y
中科院分区：
文献类型：
--
作者：
Yu M;Gao Q;Wang Y;Zhang W;Li L;Wang Y;Dai Y
肉类对人体健康起着至关重要的作用。本调查的目的是确定来自中国四个城市（上海、南京、银川和呼和浩特）的新鲜红肉（牛肉和猪肉）的脂肪酸含量和ω-6/ω-3多不饱和脂肪酸（n-6/n-3 PUFA）比率。结果表明，所有样品的n-6/n-3 PUFA比值范围为6 - 23。南京牛肉中n-6多不饱和脂肪酸总量为290.54 mg/100 g，呼和浩特猪肉中n-3多不饱和脂肪酸总量为1601.48 mg/100 g，南京牛肉中n-3多不饱和脂肪酸总量为46.34 mg/100 g，呼和浩特猪肉中n-3多不饱和脂肪酸总量为96.03 mg/100 g。结果表明，四个地区红肉中n-6/n-3的比例均不平衡，均远高于WHO/FAO推荐的n-6/n-3比例（< 5：1）。n-3 PUFA总量远低于每日所需剂量。因此，应探索提高肉制品中n-3 PUFA含量或提供n-3 PUFA替代来源的潜在解决方案。
Dietary meats play a crucial role in human health. The objective of this survey was to determine the fatty acid content and omega-6/omega-3 polyunsaturated fatty acids (n-6/n-3 PUFA) ratio of fresh red meat (beef and pork) from four cities (Shanghai, Nanjing, Yinchuan and Hohhot) in China. The results showed that the n-6/n-3 PUFA ratio from all the samples ranged from 6 to 23. The total n-6 PUFA concentrations ranged from 290.54 mg/100 g in beef from Nanjing to 1601.48 mg/100 g in pork from Hohhot, whereas the total concentrations of n-3 PUFA ranged from 46.34 mg/100 g in beef from Nanjing to 96.03 mg/100 g in pork from Nanjing. The results indicated that the n-6/n-3 ratio in the red meat from all four regions is unbalanced and is much higher than that (< 5:1) recommended by the WHO/FAO. The total amount of n-3 PUFA was far lower than the required daily dose. Therefore, potential solutions to increase the n-3 PUFA content in meat products or to provide alternative source of n-3 PUFA should be explored.