Based on the literature search and analysis described in Section 2.1, a compound database herein termed "Epi Food Chemical Database" was assembled using Google Sheets. The chemical structures were represented using the linear notation Simplified Molecular-Input Line-Entry System (SMILES). The compound database was annotated with the following information: compound name; the International Chemical Identifier (InChI); the hashed version of InChI (InChIKey); main food source; if available, link of the compound to the FooDB or COCONUT databases (using the corresponding identifiers in those public databases); reference to the peer-reviewed paper using the DOI number; activity profile with the epigenetic targets for which the given compound has reported activity. To facilitate subsequent analysis and rapidly identify trends in the data, the activity profile was represented as a vector of "1"s and "0"s to indicate if the compound has or has not reported activity with a given epigenetic target, respectively.