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什么?食用罕见糖类可以帮助控制血糖?

2017-03-09 生物谷 生物谷

这是一个“天然”标签备受消费者青睐的时代,而市场上一些不寻常的糖类的兴起正好印证了这一点。临床前动物实验已经表明阿洛酮糖和其他低卡路里的天然罕见糖类能够帮助控制葡萄糖水平。现在研究人员正在研究它们存在这种效应的原因,他们在美国化学会旗下期刊Journal of Agricultural and Food Chemistry上报道了他们的结果。


这是一个“天然”标签备受消费者青睐的时代,而市场上一些不寻常的糖类的兴起正好印证了这一点。临床前动物实验已经表明阿洛酮糖和其他低卡路里的天然罕见糖类能够帮助控制葡萄糖水平。现在研究人员正在研究它们存在这种效应的原因,他们在美国化学会旗下期刊Journal of Agricultural and Food Chemistry上报道了他们的结果。

当成分清单里面有糖类时,蔗糖是最常见的天然甜味剂。它来源丰富,制造商在很久以前就知道如何从甘蔗或其他物质中提取蔗糖。阿洛酮糖(甜度只有蔗糖的70%)及其他罕见糖类通常在蔬菜和水果中可以找到,但是含量极低。然而最近,研究人员发现了一种从高果糖谷物糖浆(葡萄糖和果糖含量相当)大批量生产阿洛酮糖的工业化生产方式。一些研究已经表明阿洛酮糖可以控制体重增加以及血糖水平,但是却不清楚其中的机理。Tomoya Shintani及其同事想确定阿洛酮糖及其他罕见糖类是否真的可以产生这些效应,同时还想进一步研究其中的机理。

为了研究这些问题,这些科学家给3组兔子喂饮用不同的水,分别为白水、含高果糖谷物糖浆的水以及含有葡萄糖、果糖、阿洛酮糖及其他罕见糖类(RSS)的水,持续时间为十周。结果发现与饮用含高果糖谷物糖浆的水的兔子相比,饮用含RSS的水的兔子体重增加更少、腹部脂肪更少、血糖和胰岛素水平均较低。同时,他们还发现RSS组兔子的肝细胞核会表达大量的葡萄糖激酶,而葡萄糖激酶可以通过将葡萄糖转化为储存的形式(糖原)而降低血糖水平。尽管还需要进一步研究,但是研究人员认为这项发现表明罕见糖类确实是好的甜味剂候选物。

原文出处:

Tomoya Shintani et al. Rare Sugar Syrup Containing D-Allulose, but not High Fructose Corn Syrup, Maintains Glucose Tolerance and Insulin Sensitivity Partly via Hepatic Glucokinase Translocation in Wistar Rats, Journal of Agricultural and Food Chemistry (2017). DOI: 10.1021/acs.jafc.6b05627

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    2017-04-21 jyzxjiangqin

    食用罕见糖类可以帮助控制血糖。

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    2017-04-12 jyzxjiangqin

    糖尿病患者血糖的控制。

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    2017-03-11 syscxl
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