1. Kremer JI, Pickard S, Stadlmair LF, Glass-Theis A, Buckel L, Bakuradze T, Eisenbrand G, Richling E: Alkylpyrazines from Coffee are Extensively Metabolized to Pyrazine Carboxylic Acids in the Human Body. Mol Nutr Food Res. 2019 Jul;63(14):e1801341. doi: 10.1002/mnfr.201801341. Epub 2019 Jun 5. [PubMed:31125183 ]