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脂肪13克有多少热量
更新时间: 2020-11-02 00:00:00  

脂肪13克有热量117卡路里,每克脂肪含热量9卡路里,脂肪13克也就是13乘以9等于热量117卡路里。脂肪又称为真脂、中性脂肪及三酯,是由一分子的甘油和三分子的脂肪酸结合而成。脂肪又包括不饱和与饱和两种,动物脂肪以含饱和脂肪酸为多,在室温中成固态。相反,植物油则以含不饱和脂肪酸较多,在室温下成液态。类脂则是指胆固醇、脑磷脂、卵磷脂等。综合其功能有:脂肪是体内贮存能量的仓库,主要提供热能;保护内脏,维持体温;协助脂溶性维生素的吸收;参与机体各方面的代谢活动等等。

关键词: 脂肪 多少 热量

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