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膳食脂肪、胰岛素抵抗与代谢综合征 被引量:16

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摘要 代谢综合征是多种代谢异常同时发生于同一个体的临床现象,胰岛素抵抗是代谢综合征的中心环节。膳食中脂肪的摄入总量和种类的不同都与胰岛索敏感性密切相关。当脂肪供能占总热量35%-40%以上时,会降低胰岛素敏感性。脂肪供能占总热量的35%~40%以下时。强调摄入脂肪酸的类型比脂肪摄入总量更为重要。人体研究表明饱和脂肪酸(SFA)增加胰岛素抵抗,耐单不饱和脂肪酸(MUFA)和n-6多不饱和脂肪酸(PUFA)可改善胰岛素敏感性,n-3 PUFA对人体胰岛素敏感性没有影响。代谢综合征巾的其他代谢异常成分也均受到膳食脂肪的影响。
出处 《国外医学(卫生学分册)》 2006年第2期73-77,共5页 Foreign Medical Sciences(Section of Hygiene)
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