This study investigated the effect of dry heat on the antioxidant capacity of water extracts of six spices, namely black pepper (Piper nigrum Linn.), cumin (Cuminum cyminum Linn.), clove (Syzygium aromaticum Linn.), cinnamon (Cinnamomum verum, syn. C. zeylanicum Blume), sumac (Rhus coriaria L.) and golpar (H. persicum Desf. Ex.), which were either roasted or heated in a microwave oven, powdered...