Unverified85% confidenceTradeoffTime unknown
'低糖'不等于'低热量'——高纤饼干常用油脂增强口感,脂肪含量可达20g/100g以上,热量450-500kcal/100g,减脂期看总热量而非仅看糖,选热量≤420kcal/100g更优
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85%
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Long-term
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Unverified低脂≠低卡:很多低脂饼干为改善口感增加糖分,热量并不低;反之高脂坚果虽然热量密度高(约600kcal/100g),但饱腹感强、少量即够,需按'每份实际摄入量'算总热量而非只看密度92% similarUnverified低GI不等于低热量,很多低GI饼干靠增加坚果、油脂来降低升糖速度,热量密度可达450-550kcal/100g;减脂人群需同时看热量,选热量密度<420kcal/100g的90% similarUnverified无糖不等于低热量:无糖巧克力/饼干常用大量油脂和坚果补偿口感,脂肪供能可能超50%,减脂人群不能只看无糖标签,需核对每100g总热量≤400kcal再入手87% similarUnverified热量压得越低(<80kcal),通常靠加大代糖和纤维、减少油脂实现,口感偏干柴且甜味剂后味重;追求好吃可接受100-130kcal区间87% similarUnverified口感与低热量存在权衡:木糖醇口感和溶解性最接近白糖(清凉感),但热量约2.4kcal/g且有一定GI值(约13),减脂人群应选热量更低的赤藓糖醇87% similar
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