Anthocyanins are water-soluble pigments primarily responsible for the attractive red / purple colour of pomegranate juice, although the inedible fruit peels are the main source of colourants in pomegranate. Its chief constituents such as punicalagin, punicalin, gallagic and ellagic acids. It also contains alkaloids such as isopelletierine. Punica granatum dye and many other common natural dyes are reported as potent antimicrobial agents owing to the presence of a large amount of tannins.