1. ; Team for Radiation Food Science and Biotechnology; Korea Atomic Energy Research Institute; P.O. Box 105 305-600 Yuseong, Daejeon Korea
2. Department of Kimchi and Food Science; Chongju National College of Science & Technology; Koesan 367-701 Chungbuk Korea
3. ; Department of Food and Nutrition; Chosun University; 501-759 Kwangju Korea