Polyphenols are secondary plant metabolites which have been shown to have positive effects on human health. Plants con-tain many types of polyphenols such as anthocyanins whic hare natural pigments seen as red, blue, and purple colors in flowers, fruits, and vegetables . Anthocyaninsare antioxidants that scavenge free radicals and reduce oxida-tive stress by donating protons to highly reactive radicals. They also possess antimicrobial, antiviral, and anti-inflammatory properties. Long-term dietary intake of anthocyanins may reduce the risk of cancer, cardiovascular diseases, virus infections, Alzheimer’s disease and diabetes. In addition, their use has beenshown to improve night vision. They are also used as natural pigments by the food and beverage industries, as well as in cosmetics and paint sector.