Curcuma longa and Azadirachta indica are historically used in Indian delicacies and Ayurvedic drugs as nutraceuticals towards diabetes. The crude C. longa isopropanol extract, bisdemethoxycurcumin (BDMC), the purified bioactive part from C. longa, and limonoids azadiradione, gedunin from A. indica, are in a position to inhibit in vitro the antidiabetic goal human pancreatic α-amylase independently.…