Evaluation of Phenolic Bioactive-Linked Anti-Hyperglycemic and Helicobacter pylori Inhibitory Activities of Asian Basil (Ocimum spp.) Varieties

•Phenolic-linked anti-hyperglycemic properties of basil varieties were investigated.•High phenolic-linked antioxidant properties were found in Indian basil.•High α-glucosidase inhibitory activity was observed in basil varieties.•Inhibitory activity against Helicobacter pylori was found in mint extract but not in basil extract.•Rosmarinic, ellagic, benzoic, & gallic acid were major phenolics found in basil.