1. Research Laboratories in Sciences Applied to Food, Canadian Irradiation Center (CIC), INRS-Inst. Armand-Frappier; Univ. of Quebec; 531 Boulevard des Prairies Laval Quebec H7V 1B7 Canada
2. Dept. of Food Bioscience and Technology; Korea Univ; Seoul 136-701 Korea
3. INRS-Inst. Armand-Frappier; Univ. of Quebec; 531 Boulevard des Prairies Laval Quebec H7V 1B7 Canada