| abstract |
(57) [Summary] [PROBLEMS] By inhibiting α-glucosidase, Provided is an α-glucosidase inhibitor that suppresses a rise in blood sugar and that can be safely ingested as food. SOLUTION: Fluorotannins having a polymerization degree of 25 to 200 contained in both or one of seaweed Ezoishige and Hibamata, or both or one of the water and organic solvent extracts of these seaweeds, are also subjected to a glucose tolerance test on rats. Significantly suppressed increase in blood glucose concentration was confirmed, and it was confirmed that the food was not toxic. As described above, the above problem has been solved. |