Studies on the antimicrobial and the antioxidative substances from natural plants,
Development and industralization of traditional fermented soybean foods.

1970~1988 The director in R&D Institute, Agricultural and Fishery Marketing Co.
1983~1983 Consultant, FAO
1984~1984 Consultant, UNDP/FAO
1994~ Member of Committee of Consultation on Food
Sanitation, KFDA
1995~ Member of Committee of Analytical Quality Assurance, KFDA
1998~1998 Vice president, The Korean Society for Microbiol. and Biotechnol.
1999~ Vice president, The Korean Society of Food Hygiene and Safety
2001~ President, The Jeonbuk Society of Food Culture
2001~ President, BioFood Research Center (Ministry of Science & Technology)
2002~2002 President, Korean Society of Food Science and Technology
2002~2003 Special Member, Agricultural R&D Promotion Center
1988~ Professor, Faculty of Biotechnology, Chonbuk National University

1973 The Minister's Award, Ministry of Agriculture, Forestry, and Fishery
1981 The Progressive Award in Science, Korean Soc. of Food Sci. and Technol.
2003 The Scientific Award, Korean Soc. of Food Sci. and Technol.