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Scientists Develop Weight-Loss Chewing Gum

Posted: Sunday, November 27, 2011

A team of US scientists believes they're close to delivering a gum that can help users fight the battle of the bulge one chew at a time.

Researchers out of Syracuse University made the announcement that the key to the gum's formulation is a hormone called human PYY that regulates appetite and energy, and is released into the bloodstream when people eat or exercise.

Studies have shown that obese people have lower concentrations of PYY in their bloodstream compared to their non-obese counterparts. When given PYY intravenously however, the hormone acted as an appetite suppressant in obese and non-obese volunteers as both groups consumed less calories.

The hard part? Delivering the hormone so that it can travel through the digestive system unharmed and allow it to be absorbed into the bloodstream.

Lead researcher Robert Doyle believes the answer lies in vitamin B12. It would be the second time Doyle developed the vitamin to act as a carrier for a hormone. Several years ago, he created an oral delivery system for insulin that was masked under vitamin B12. Early tests accomplished the same task for PYY. "Phase one of this study was to show that we could deliver a clinically relevant amount of PYY into the bloodstream," Doyle said in a statement. "We did that, and we are very excited by the results."

About four hours after chewing the gum, the PYY supplement would begin to kick in and decrease appetites as users approach their next meal.

Source: http://www.diabetesincontrol.com/index.php?option=com_content&view=article&id=11802&catid=53&Itemid=8, Journal of Medicinal Chemistry Nov. 2011.