고수율 DHA생산을 위한 Thraustochytrium aureum의 배지조성과 발효조건에 관한 연구

초록

Marine fungus, Thraustochytrium aureum ATCC 34034, was incubated in artificial sea water media in order to produce docosahexaenoic acid(DHA). Cultures were performed at 24℃ in light for 3 days with orbital shaker at 200rpm. Maximum cell productivity of 1.34g/L and DHA yield of 41.4 mg/L were obtained by using this method, which is almost the twice level of DHA yield obtained for the strains reported previously. This strain did not produce DHA in YM media and YPG media. The results indicate that salinity influenced cell growth and production of DHA.