Mahar, K. et al. 2010. Quantitative Analysis of Glyoxal, Methyl glyoxal and Dimethyl glyoxal from Foods, Beverages and Wines Using HPLC and 4-Nitro-1,2- Phenylenediamine as Derivatizing Reagent. Asian Journal of Chemistry. 22, 9 (Jul. 2010), 6983–6990.