[Rachel n. Carmody, Gil S. Weintraub and Richard W. Wrangham, "Energetic consequences of thermal and nonthermal food processing"] food's energy value is usually measured before consumption.
(蕾切尔卡莫尼，吉尔·温特劳布和理查德·沃尔汉姆提到，“食品热加工和非热加工产生的能量不同。”)通常食物能量值的计算以消耗前为准。
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