1. Western Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, Albany, California 94710
2. Department of Food Service Industry, Uiduk University, Gangdong, Gyeongju, Gyongbuk 780-713, Republic of Korea
3. Center for Traditional Microorganism Resources, Keimyung University, Daegu 704-701, Republic of Korea
4. Department of Hotel Cuisine, Daegu Polytechnic College, Daegu 706-711, Republic of Korea