... 10%,20% Test Method: HPLC Banaba Extract Active Ingredient: corosolic acid Specification: 1%,3%,5%,10%,20% Test Method: HPLC ... Product No.: OHI-000121 CAS No.: Active Ingredient: corosolic acid Specification: 1%,3%,5%,10%,20% Test Method: HPLC Banaba ... ability to lower blood sugar is attributed to its corosolic acid, a triterpenoid glycoside, belived to facilitate glucose-transport into cells. ...