α-Amylase inhibition and antioxidant activity of Singhnad Guggul in vitro Journal title: Journal of Herbal Drugs Authors: Ashok Kumar B.S; Saleemulla Khan; Gopi Setty Saran; Naveen Kumar; Lokanath V Subject(s): Medicine, Agricultural Science, Biotechnology, Botany, Genetics, Plant Sciences, Marketing, Pharmacology, Toxicology