M. Monica Giusti & Taylor C. Wallace 
Anthocyanins in Health and Disease [PDF ebook] 

Anthocyanins, polyphenolic compounds abundant in certain foods, are responsible for the orange-red to blue-violet hues evident in many fruits, vegetables, cereal grains, and flowers. Interest in these pigments has intensified due to their potential health-promoting properties as dietary antioxidants, as well as their use as natural dyes in a variet