1. Introduction
There is an increasing demand for natural, safe and functional foods in the last decade. Consumers are interested in safe foods which have positive contributions to health, but contain no chemical additives or preservatives. However, keeping the food
safety stable until the expiration date is not possible without the addition of any preservatives or application of thermal processing,which causes deterioration of functional ingredients. In this view,plant extracts, which could be used for natural colorant, antioxidant,flavoring or antimicrobial agents, are good alternatives for the
food industry. Polyphenol rich plants especially are gaining popularity as a good source for anthocyanins. Anthocyanins are bioactive compounds present in many fruits, vegetables and their products.They are a sub-group within the flavonoids, characterized by a C6eC3eC6-skeleton (Patras, Brunton, O'Donnellb, & Tiwari, 2010).Antioxidant and antimicrobial properties of anthocyanins were