The antidiabetic effect of chloroform – methanol extract of Abrus precatorious seed, was studied in alloxan diabetic rabbits. The effect was compared to that of chlorpropamide – a known antidiabetic drug in the class of sulphonylurea and a control group that received normal saline instead of the extract. Normal blood glucose levels drawn before the alloxan injection were 127.80 ± 2.55, 114.30 ±...