1. Department of Animal Bio-system Science, College of Agriculture and Life Sciences; Chungnam National University; Yuseong-gu Daejeon 305-764 Republic of Korea
2. Department of Microbial and Nano Materials, College of Sciences and Technology; Mokwon University; Seo-gu Daejeon 302-729 Republic of Korea
3. Department of Bioprocess Technology; Korea Polytech Biocampus; Non-San City Chung-Nam 320-905 Republic of Korea
4. Department of Home Economics Education; Kyungpook National University; Buk-gu Daegu 702-701 Republic of Korea
5. Agricultural Research Station; Fort Valley State University; Fort Valley GA 31030-4313 USA