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Science Forum Index » Medicine - Cardiology Forum » Stopping Sudden Starch Sugar Spikes...
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| ironjustice... |
 Posted: Mon Jun 16, 2008 8:23 am |
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"Flavonoids"
Published: 2 hours ago, 12:15 EST, June 16, 2008
Natural plant materials to regulate starch digestion
Researchers in Switzerland are reporting discovery of natural plant
materials that may regulate starch digestion — slowing down the
body's
conversion of potatoes, rice, and other carbohydrate-rich foods into
sugar. The findings could lead to new functional foods that fight
diabetes, they say in a report scheduled for the June 26 issue of the
ACS' bi-weekly Journal of Medicinal Chemistry.
In the new study, Elena Lo Piparo and colleagues explain that a key
digestive protein called alpha-amylase rapidly converts certain high-
carb foods into glucose or blood sugar. That fast conversion results
in sudden spikes in blood sugar in patients with diabetes.
A common clinical strategy to manage sharp rises in blood glucose
after eating is the use of pharmaceutical agents that inhibit
specific
starch-splitting enzymes. Although researchers have known for years
that some natural foods appear to contain chemicals capable of
blocking alpha-amylase, the exact structure and mechanism of action
of
these substances remained unknown.
The researchers at Nestlé Research Center were interested in finding
natural food-based compounds that can modulate this process, and to
further understand the molecular mechanisms through which this
interaction occurs. Using molecular modeling techniques they selected
19 plant components, called flavonoids, to be tested for their
ability
to block alpha-amylase activity.
They identified 7 flavonoids with significant inhibition of alpha-
amylase, the strongest of which inhibited activity by 99 percent.
Knowledge gained from this study will lead to a better understanding
about food-based compounds and their natural properties, to help the
research and development of products with a positive impact on health
and wellness.
Article: http://dx.doi.org/10.1021/jm800115x
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