Optimization of culture conditions of the thraustochytrid Aurantiochytrium sp. strain 18W-13a for squalene production
2012
Nakazawa, Atsushi | Matsuura, Hiroshi | Kose, Ryoji | Kato, Syou | Honda, Daiske | Inouye, Isao | Kaya, Kunimitsu | Watanabe, Makoto M.
Optimum conditions of temperature, salinity and glucose concentration were investigated for squalene production of the strain of Aurantiochytrium sp. 18W-13a, with a high content of squalene. Squalene production by this strain was optimum at 25°C, 25–50% seawater concentration and 2–6% glucose concentration. When this strain was grown in the optimum condition, the squalene content and production of approximately 171mg/g dry weight and 0.9g/L were much higher than that previously reported in thraustochytrids, plants and yeasts, respectively. Therefore, 18W-13a could be used as an alternative source of commercial squalene.
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