Antioxidant activity of the extracts from Salvia officinalis, Brassica oleracea, Juglans regia, Melilotus officinalis, and Crataegus oxyacantha at different temperatures Journal title: Journal of Herbal Drugs Authors: Mohammad Momen Heravi; Shahla Daneshmehr; Ali Morsali Subject(s): Medicine, Agricultural Science, Biotechnology, Botany, Genetics, Plant Sciences, Marketing, Pharmacology, Toxicology