推荐回答(5个)
低聚果糖是:由1~3个果糖基通过β(2—1)糖苷键与蔗糖中的果糖基结合生成的蔗果三糖、蔗果四糖和蔗果五糖等的混合物。
低聚果糖是一种天然活性物质。甜度为蔗糖的0.3-0.6倍。既保持了蔗糖的纯正甜味性质,又比蔗糖甜味清爽。具有调节肠道菌群,增殖双歧杆菌,促进钙的吸收,调节血脂,免疫调节,抗龋齿等保健功能。

扩展资料
低聚果糖的作用:
1、改善便秘
低聚果糖能够改善肠道内菌群环境,它能促进肠内双歧杆菌等有益菌的增殖,抑制有害菌的生长;减少或抑制肠内腐败物质的产生,抑制有害细菌的生长,调节肠道平衡。低聚果糖调节肠道菌群,刺激肠道蠕动,增加粪便湿润度,并保持一定的渗透压,从而防止便秘。
2、促进营养吸收
低聚果糖能促进蛋白质的消化吸收,防止因为碳水化合物摄入少而造成的大便干燥。提高钙、磷、铁的利用率,促进铁和维生素D的吸收,以防止骨质疏松症。还能减少肝脏毒素,能在肠中生成抗癌的有机酸,有显著的防癌功能。
3、增强免疫功能
低聚果糖能促进双歧杆菌、乳酸杆菌的增殖,使有益菌群在肠道中占有优势,抑制有害菌的生长,减少有毒物质(如内毒素、氨类等)的形成,对肠粘膜细胞和肝具有保护作用,从而防止病变肠癌的发生,增强机体免疫力。
此外,双歧杆菌可发酵乳糖产生半乳糖,是构成脑神经系统中脑苷脂的成分,与婴儿出生后脑的迅速生长有密切关系。
参考资料来源:百度百科-低聚果糖
低聚果糖是低聚糖的一类。
碳水化合物是人体必需的营养成分,它们的基本组成单元被称为“单糖”,比如葡萄糖、果糖、半乳糖等。单糖可以连接起来组成更大的分子,比如一个葡萄糖连接一个果糖就成了蔗糖。
更多的葡萄糖连接起来,就可以组成淀粉;果糖、半乳糖等其他的单糖连接起来的大分子,被称为膳食纤维。这些连接起来的、含有几个单糖的片段,被称为“低聚糖”。
单糖可以连接成多种多样的低聚糖,但并不是所有种类的低聚糖都能被称为益生元。目前,只有低聚果糖和低聚半乳糖作为益生元的科学证据较为充分。

扩展资料:
低聚果糖的好处:
促进益生菌生长
1、双歧杆菌、乳酸菌等益生菌可以利用各种低聚果糖得以旺盛生长,而一些有害细菌却难以利用低聚果糖生长受到抑制。对于体内双歧杆菌缺乏的老人,食用低聚果糖效果可能更显著。
2、提高免疫预防肿瘤
某些低聚果糖可在结肠完全被细菌发酵,酵解后产生的短链脂肪酸可作为肠道细胞和益生菌的能量来源,促使益生菌群增殖,抑制有害菌生长,增强肠道的免疫功能。
短链脂肪酸还可降低肠道pH值,抑制有害菌生长繁殖,干扰胆酸转变成具有致癌性的次级胆酸,并阻碍肠道腐败物的生成,降低氨浓度,减少癌变。此外,短链脂肪酸对大肠上皮细胞也有营养作用,提高肠道对外界有害物质的干扰,提高免疫力。
参考资料来源:人民网-低聚糖到底是什么
低聚果糖(Fructooligosaccharide,FOS).研究显示,低聚果糖能调节肠道菌群、有效地促进双歧杆菌、乳酸杆菌等益生菌的增殖;可以作为钙、镁、铁、锌等矿物质的活化因子;小孩当然可以吃了,但不要过量
低聚果糖是属于益生元益生菌类的,治疗便秘、腹泻等肠道为题是很有效的,小宝宝也是可以用的,没有任何副作用,你可以放心让宝宝用。不过市面上很多低聚果糖都掺假,毕竟这年头黑商太多,买低聚果糖的话建议到畅乐专营店去看看。
低聚果糖是一种益生元,在人体肠道中起到激活有益菌、增进肠道的消化和吸收,有效的增值双歧杆菌、双歧因子等细菌,是现代科学角度最安全最有效的治愈孕产妇、婴幼儿便秘的方法。
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