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采用气相色谱和红外光谱相结合的方法,对2005年至2009年在中国市场上出售的52个著名品牌的167种食品中所含脂肪组成与反式脂肪酸(TFAs)含量进行了测定。检测结果表明,87%的被检食品中含有反式脂肪酸,其中,涂抹奶油、威化饼干、蛋糕、派类食品是反式脂肪酸(TFAs)含量较高的食品类别。“洋快餐”的套餐中,反式脂肪酸(TFAs)含量每份1.00～2.00g。包括“洋快餐”食品在内的许多食品标签中,有关脂肪含量的标注存在严重缺陷。加工食品的配方标识中,有关“部分氢化油”和反式脂肪酸(TFAs)的标注名称没有统一的标准。
The contents of fatty acids and trans fatty acids (TFAs) in 167 foods from 52 well-known brands sold in the Chinese market from 2005 to 2009 were determined by a combination of gas chromatography and infrared spectroscopy. Test results showed that 87% of the foods tested contained trans fatty acids. Among them, creams, wafers, cakes, and foodstuffs were classified as foods with high levels of trans-fatty acids (TFAs). “Western fast food ” package, trans fatty acids (TFAs) content of 1.00 ~ 2.00g each. Many food labels, including “FAST FOOD”, have serious flaws in the labeling of fat content. There is no uniform standard for the labeling of processed foods with respect to the names of the labeled “partially hydrogenated oils” and trans-fatty acids (TFAs).