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Agave-derived sweetener could lower blood glucose

Zoom in font  Zoom out font Published: 2014-03-20  Views: 14
Core Tip: A sweetener created from the plant used to make tequila could lower blood glucose levels according to a new research.
A sweetener created from the plant used to make tequila could lower blood glucose levels according to research presented by Mercedes G. López of Centro de Investigación y de Estudios Avanzados, Biotechnology and Biochemistry Irapuato, Guanajuato, Mexico at the 247th National Meeting of the American Chemical Society (ACS).

This is because agavins, a natural form of sugar found in the agave plant, are non-digestible and can act as a dietary fibre, so they would not raise blood glucose.

“We have found that since agavins reduce glucose levels and increase GLP-1, they also increase the amount of insulin,” said López. “Agavins are not expensive and they have no known side effects, except for those few people who cannot tolerate them.”

GLP-1 (glucagon-like peptide-1) is a hormone that slows the stomach from emptying, thereby stimulating production of insulin.

Agavins, like other fructans, which are made of the sugar fructose, are the best sugars to help support growth of healthful microbes in the mouth and intestines, according to López, who also noted that agavins can help people feel fuller, which could help them eat less.

Agavins contain fructoses, which begs the question: Are agavins like high-fructose corn syrup, a processed sweetener that has gotten a lot of bad press recently? López pointed out that, indeed, high-fructose corn syrup is loaded with fructose sugars and, therefore, can raise blood sugar levels. But agavins are fructans, which are fructoses linked together in long, branched chains. The human body can’t use them in that configuration, so they don’t affect blood sugar, she explained. Agavins also sometimes get confused with agave nectar or agave syrup, which appears on many health-food store shelves. These products contain fructans that have been broken down into individual fructoses, so they are much more similar to high-fructose corn syrup.

Also, she and her team said agavins are better than artificial sweeteners, which are absorbed by the body and can cause side effects, like headaches. “One slight downside, however, is that agavins are not quite as sweet as their artificial counterparts,” López said.

Of course, the agave’s claim to fame is as the plant from which tequila is made. López explained that agavins are the only carbohydrates used to produce the drink. All ethanol in tequila comes from the fermentation of glucose and fructose generated after agave pines are cooked. But because the agavins are converted to ethanol, agavins are not found in the finished product.

López said that in the study, her team fed a group of mice a standard diet and added agavins to their daily water. They weighed the mice daily and checked their glucose blood levels weekly. Most mice that drank agavins ate less, lost weight and their blood glucose levels decreased when compared to other sweeteners such glucose, fructose, sucrose, agave syrup and aspartame.

“This study represents the first attempt to evaluate agavins as sweeteners in spite of their lower sweetness compared to sugar,’” she said.

The study was supported by Mondelez International and Agavaceae Produce.

 
 
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