1. CJ CheilJedang Foods R&D Center; Seoul 152-051 South Korea
2. Department of Food Science and Biotechnology; College of Agricultural and Life Science; Kangwon National University; Chuncheon Gangwon 200-701 South Korea
3. Department of Agricultural Biotechnology; World Class University Biomodulation Program; Seoul National University; Seoul 151-921 South Korea
4. Agricultural and Life Science Research Institute; Kangwon National University; Chuncheon Kangwondo 200-701 South Korea