Polyphenol

Plant-based chemicals with more than one phenol group, found in foods such as fruits, vegetables, nuts and seeds^[1]. Polyphenols can be classified in 5 ways including, flavanoids, phenolic acids, ligans and stilbenes[2].  Research has shown that some polyphenolic compounds can affect epigenetic function by DNA methylation and acetylation of histones, contributing to the anti-cancer action of natural polyphenols. 

[1]- 10 best polyphenol-rich superfoods + why you should be eating them. By Dr Joel Khan. January 24, 2015.

[2] natural polyphenols for prevention and treatment of cancer. Yue Zhou, Jie Zheng and Hua-Bin Li. 22nd August 2016.