Antioxidant and anti-glycation properties of Thai herbal teas in comparison with conventional teas

► Thai herbal teas had antioxidants and anti-glycation capacities. ► Significance differences were observed among 18 teas studied. ► Only stevia, sappan primary antioxidants, anti-glycation comparable to Camellia sinensis. ► Purple velvet, mulberry, false mallow metal chelations higher than C. sinensis. ► Cluster analysis showed stevia, sappan properties similarly to C. sinensis.