2025. The Effect of Bovine Femur and Rib Bone Extract on α-Amylase Enzyme and Blood Sugar Levels in Streptozotocin (STZ)-Induced Diabetic Rats. Tropical Journal of Natural Product Research . 9, 11 (Dec. 2025), 5554 – 5560. DOI:https://doi.org/10.26538/tjnpr/v9i11.39.