Chemical age index for wine published

Date or time period: 1977

In 1977, Chris Somers and M.E. Evans of the AWRI published their 'chemical age' index for wine, based on spectral measurements[1]


  1. Somers, T.C.; Evans, M.E. (1977) Spectral evaluation of young red wines: anthocyanin equilibria, total phenolics, free and molecular SO2, ‘chemical age’. J. Sci. Food Agric. (28); 279-287.