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Fluorometric determination of sulfite in wine by N-(9-acridinyl)maleimide
K Akasaka1, H Matsuda, H Ohrui
1Faculty of Agriculture, Tohoku University, 1-1 Tsutsumidori-Amamiyamachi, Aoba-ku, Sendai 981, Japan.
Agricultural and Biological Chemistry
|January 10, 2009
Abstract:
A highly sensitive fluorometric method for determining sulfite in wine is reported. N-(9-Aciridinyl)maleimide (NAM) reacted with the sulfite in wine quantitatively and gave strong fluorescent derivatives. The determinations were conducted by batch and high-performance liquid chromatographic methods. Sulfite contents in wine by NAM methods and the conventional methods showed good accordance. The sample size could be reduced to less than 1/10,000 by the NAM methods.

