Fat and fatty acid composition of cooked meat from UK retail chickens labelled as from organic and non-organic production systems

被引:23
作者
Dalziel, Courtney J. [1 ]
Kliem, Kirsty E. [1 ]
Givens, D. Ian [1 ]
机构
[1] Univ Reading, Sch Agr Policy & Dev, Food Prod & Qual Div, Reading RG6 6AR, Berks, England
关键词
Chicken meat; Fat; Fatty acids; Conventional vs. organic; ANIMAL-DERIVED FOODS; FREE-RANGE; CHAIN;
D O I
10.1016/j.foodchem.2015.01.118
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
This study compared fat and fatty acids in cooked retail chicken meat from conventional and organic systems. Fat contents were 1.7, 5.2, 7.1 and 12.9 g/100 g cooked weight in skinless breast, breast with skin, skinless leg and leg with skin respectively, with organic meat containing less fat overall (P < 0.01). Meat was rich in cis-monounsaturated fatty acids, although organic meat contained less than did conventional meat (1850 vs. 2538 mg/100 g; P < 0.001). Organic meat was also lower (P< 0.001) in 18:3 n-3 (115 vs. 180 mg/100 g) and, whilst it contained more (P < 0.001) docosahexaenoic acid (30.9 vs. 13.7 mg/100 g), this was due to the large effect of one supermarket. This system by supermarket interaction suggests that poultry meat labelled as organic is not a guarantee of higher long chain n-3 fatty acids. Overall there were few major differences in fatty acid contents/profiles between organic and conventional meat that were consistent across all supermarkets. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:103 / 108
页数:6
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