膳食纤维——它们的来源和特性是什么?
关于膳食纤维有许多误解,往往贬低了它们的作用。质疑它们对我们身体健康和福祉的影响变得越来越流行。许多人问:“一种不被消化的物质有什么好处?”我们的回答是:非常大!与表面看法相反,膳食纤维极其宝贵,今天我们将尝试证明这一点。
膳食纤维,也称为粗纤维,是一种植物性物质,存在于谷物制品中。它是纤维素、淀粉、果胶和半纤维素的混合物。确实,膳食纤维不能被消化系统消化,但必须强调的是它们并非无用。相反,膳食纤维对消化系统的功能有巨大影响,因此能显著促进我们的健康和饮食成功。让我们仔细看看它们存在于哪些产品中以及它们为我们提供了什么。
纤维来源
如前所述,膳食纤维主要大量存在于谷物中。因此,它们存在于黑麦面包、小麦麸皮、小麦胚芽以及燕麦、大麦和玉米片中。豆类也是丰富的膳食纤维来源,主要是扁豆、白豆和红豆、豌豆和大豆。在坚果 和种子中我们也不能忽视,尤其是核桃、花生、开心果和榛子,芝麻、罂粟籽、葵花籽和杏仁。
还有什么?蔬菜!
我们选择欧芹、芹菜和抱子甘蓝。不要忽视糙米、大麦粥和水果,尤其是干果。例如,李子、杏子、苹果和桃子中含有大量膳食纤维。但请记住,这些产品不应加糖。我们应专注于天然、未加工的食品。
纤维特性
膳食纤维的健康益处数不胜数。不溶性纤维改善消化系统功能,例如通过增强饱腹感,从而避免饥饿感和过度零食。它支持消化并刺激唾液分泌,还预防消化系统癌症。而可溶性纤维则防止胆固醇以大量有害健康的形式被吸收,并防止胆结石的形成。还不止这些!天然纤维 降低血糖水平,从而预防糖尿病,缓解便秘,促进有效排毒并帮助脂肪排出。
以上例子表明,我们每个人的饮食(除非对上述产品过敏)都应富含膳食纤维。然而,有些人甚至建议他们多摄入膳食纤维产品。例如,高血压患者、糖尿病患者、动脉硬化患者以及所有超重或肥胖者。
编辑的选择
Peeled sunflower seeds 1 kg BIOGO
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Walnuts 800 g BIOGO
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Almonds 1 kg BIOGO
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Bag #changezbiogo Cotton v.2
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PULLED ORGANIC SUNFLOWER SEEDS 1 KG BIOGO
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£4.56- £3.88
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节省£0.68
Oat flakes 800 g BIOGO
Full of health in every grain: Do you know all the benefits of oatmeal? Oatmeal is a true cornerstone of a healthy diet, providing an abundance of fiber , protein , and important minerals like magnesium and iron . It's known to improve cholesterol...
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£2.41- £2.04
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节省£0.37
Unpeeled buckwheat groats 1 kg BIOGO
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节省£0.44