Anthocyanins, as natural colorants, have value-added properties [29]. These properties are antioxidants, as nutraceutical and many health benefits, such as an antimicrobial effect and prevention of chronic diseases.

Why are anthocyanins antioxidants?

Anthocyanins have been described as compounds that prevent or inhibit, the oxidation by scavenging free radicals and reducing the oxidative stress. ... The antioxidant activity of these compounds depends on their total concentration, structure, and environment.

What is the function of anthocyanins?

Anthocyanins are a group of polyphenolic pigments that are ubiquitously found in the plant kingdom. In plants, anthocyanins play a role not only in reproduction, by attracting pollinators and seed dispersers, but also in protection against various abiotic and biotic stresses.