Mice fed an antioxidant found in green tea — epigallocatechin-3-gallate, or EGCG — and corn starch had a significant reduction in increase in their blood sugar — blood glucose — levels compared to mice that were not fed the compound, according to Joshua Lambert, assistant professor of food science in agricultural sciences.
The spike in blood glucose level is about 50 percent lower than the increase in the blood glucose level of mice that were not fed EGCG,
http://www.eurekalert.org/pub_releases/2012-11/ps-dgt110812.php
Toms Blog on Life and Livingness