Polyphenol

Plant-based chemicals with more than one phenol group, found in foods such as fruits, vegetables, nuts and seeds^[1]. Research has shown that some polyphenolic compounds can affect epigenetic function by DNA methylation and acetylation of histones.

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