4-Ethylguaiacol is used as smoke flavoring in the food industry and displays antioxidant activity due to its phenolic composition. It is also present in red grapes and in red wines.
Soldera, S. et al.: J. Agri. Food, Chem., 56, 2727 (2008); Goncalves, B. et al.: J. Agri. Food. Chem., 57, 265 (2009);