“…Anthocyanins are polyphenol pigments in plants (Galvano et al, 2004;Williams and Grayer, 2004). Anthocyanins and their aglycons, anthocyanidins, have various biological effects, such as antioxidative activity (Cao et al, 1997;Kahkonen and Heinonen, 2003;Rahman et al, 2006;Tsuda et al, 1999a), anti-hyperglycemic activity (Matsui et al, 2002), anti-inflammatory activity (Karlsen et al, 2007;Wang et al, 2008b), cell protective activity (Elisia and Kitts, 2008;Tarozzi et al, 2007) and antitumor activity (Hou, 2003;Lala et al, 2006;Kang et al, 2003).…”