Effects of culture temperature shift and light-dark time cycle on the cellular sugar accumulation of Chlorella pyrenoidosa

摘要: We investigated the effect of culture temperature on maximum specific growth rate and cellular sugar accumulation, a shift accumulation Chlorella pyrenoidosa cells in batch system. Increase below 30 °C appeared to correlate with increase rate, contrary content showed reverse tendency against temperature. attempted utilize this for improving productivity Chlorella. First, we cultured at 28 during logarithmic phase obtain high rate. The was then shifted from 22 late order reduce enhance accumulation. As result, obtained 15% production over that by cultivation throughout culture. also light-dark time cycle found operating variable did not affect but influenced final cell concentration. Among examined cycles, case 12 h light dark period.