Unverified85% confidenceFactTime unknown
菊粉与低聚果糖热量约1.5-2 kcal/g,远低于普通碳水(4 kcal/g),且不升血糖,属于可标注膳食纤维的水溶性纤维
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85%
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Long-term
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Unverified膳食纤维本身热量低(约1.5-2 kcal/g,远低于普通碳水4 kcal/g),但计算食品营养标签时,可溶性纤维仍需从总碳水中扣除以估算净碳水90% similarUnverified蛋白棒的膳食纤维(尤其菊粉/低聚果糖/异麦芽寡糖)超过15g/根时,敏感人群易腹胀胀气,这类纤维常被用来'凑净碳水'降低标签数字77% similarUnverified膳食纤维(葡甘露聚糖)标示≥3g/100g才算有效补充纤维,很多调味魔芋丝纤维被淀粉稀释到<1g,减脂增饱腹意义有限77% similarUnverified膳食纤维≥8g/100g、蛋白质≥10g/100g才算营养密度合格的燕麦;很多'水果燕麦片'纤维被冻干水果和糖稀释到4g以下,营养价值大幅缩水77% similarUnverified看配料表'糖醇'与'膳食纤维'合计——蛋白棒常靠添加大量菊粉/低聚果糖来降低净碳水显示值,这类可溶纤维一次吃15g以上也易引发腹胀77% similar
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