\n\n
通常,1 克脂肪对应着会产生 9 千卡的能量。常见食物和油脂中的脂肪含量以及脂肪种类如下表所示。
\n\n表 常用食物的脂肪含量及脂肪酸组成(克/100 克可食部)[2]
\n\n表 常用食用油脂的脂肪含量及脂肪酸组成(克/100 克,Tr 为微量)[2][3][4]
\n\n当然,教条地每次吃一样食物就称量计算其中的胆固醇和脂肪含量也不易操作,饮食可以把握以下总原则,即食物品种多样,少吃胆固醇含量高的食物,控制饮食总量,不要吃得过饱。以下健康饮食食谱可供参考:每天摄入食用油 20 克左右,盐少于 6 克,奶类(低脂或脱脂奶) 250 克,豆类 30~50 克,肉类 75 克,新鲜蔬菜 400~500 克,新鲜水果 200 克,谷类 250~400 克,蛋类每周 3~4 个。
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