1. Gyeonggi Institute of Science & Technology Promotion, Suwon, Gyeonggi 443-270, Republic of Korea
2. Gyeongbok Natural Color Industry Institute, Yeongcheon, Gyeongbok 770-060, Republic of Korea
3. Namhae Garlic Research Institute, Namhae, Gyeongnam 668-812, Republic of Korea
4. College of Pharmacy, Dankook University, Cheonan, Chungnam 330-714, Republic of Korea