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一千千焦等于多少大卡
更新时间: 2020-11-05 00:00:00  

1千焦(kj)=238.9000000卡(卡路里)。卡路里(calorie)这个概念大家经常会接触到,营养学家通过它来计算食物能量。经过精确实验,科学家计算出1克蛋白质的能量为4卡路里,1克脂肪为9卡路里,1克碳水化合物为4卡路里,1克膳食纤维等于2卡路里。卡路里简称为卡。国内预包装食品包装背面都印有“营养成分表”,里面标注了每100克(或100毫升)食品的能量和营养值。

关键词: 等于 多少 大卡

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