Table 1 Final cell biomass and fatty acid production of P. purpureum supplemented with organic carbon sources at 18th day
Carbon source | Dose (%) | Biomass (g L−1) | Content (mg g−1) | Concentration (mg L−1) | |||||
|---|---|---|---|---|---|---|---|---|---|
ARA | EPA | TFA | ARA/EPA | ARA | EPA | TFA | |||
Control | 0.00 | 9.58 (0.48) | 8.95 (0.17) | 6.40 (0.22) | 45.62 (2.82) | 1.40 (0.05) | 85.7 (1.0) | 61.3 (2.1) | 437.0 (25.8) |
Glucose | 0.05 | 10.54 (0.53) | 9.10 (0.02) | 6.88 (0.43) | 47.00 (3.25) | 1.32 (0.04) | 95.9 (7.6) | 72.5 (6.4) | 495.4 (27.5) |
0.10 | 11.32 (0.57) | 8.64 (0.83) | 5.78 (0.82) | 44.64 (2.32) | 1.49 (0.07) | 97.8 (4.9) | 65.4 (7.3) | 505.3 (25.7) | |
0.25 | 13.17 (0.63) | 8.86 (0.23) | 6.12 (0.36) | 46.49 (3.38) | 1.45 (0.08) | 116.7 (2.1) | 80.6 (5.0) | 612.3 (36.0) | |
0.50 | 15.36 (0.71) | 9.03 (0.57) | 5.86 (0.39) | 46.76 (2.61) | 1.54 (0.03) | 138.7 (2.1) | 90.0 (5.4) | 718.2 (39.5) | |
0.75 | 15.04 (0.75) | 8.48 (0.15) | 6.63 (0.15) | 45.22 (2.45) | 1.28 (0.05) | 127.5 (1.9) | 99.7 (9.4) | 680.1 (30.0) | |
1.00 | 8.45 (0.42) | 8.72 (0.15) | 5.05 (0.52) | 44.29 (3.76) | 1.73 (0.05) | 73.7 (0.1) | 42.7 (3.3) | 374.3 (17.8) | |
Sodium acetate | 0.05 | 11.29 (0.52) | 10.58 (1.11) | 7.25 (0.63) | 49.28 (4.64) | 1.46 (0.07) | 119.5 (18.6) | 81.9 (8.4) | 556.4 (25.8) |
0.10 | 12.73 (0.57) | 11.66 (0.53) | 7.61 (0.83) | 51.84 (2.92) | 1.53 (0.07) | 148.4 (2.0) | 96.9 (6.3) | 659.9 (36.0) | |
0.25 | 14.05 (0.70) | 12.85 (0.03) | 8.62 (0.34) | 54.17 (2.85) | 1.49 (0.06) | 180.5 (10.4) | 121.1 (7.4) | 761.1 (40.1) | |
0.50 | 10.55 (0.46) | 10.34 (0.61) | 7.91 (0.93) | 45.15 (2.75) | 1.31 (0.05) | 109.1 (10.8) | 83.5 (8.1) | 476.3 (28.3) | |
0.75 | 6.86 (0.37) | 8.88 (0.61) | 6.35 (0.75) | 42.13 (3.65) | 1.40 (0.05) | 60.9 (1.3) | 43.6 (4.1) | 289.0 (15.4) | |
1.00 | 3.54 (0.81) | 8.24 (0.37) | 5.57 (0.78) | 38.16 (1.98) | 1.48 (0.07) | 29.2 (12.5) | 19.7 (2.9) | 135.1 (7.6) | |
Glycerol | 0.05 | 11.27 (0.56) | 9.75 (0.67) | 5.61 (0.82) | 50.80 (3.54) | 1.74 (0.08) | 109.9 (8.4) | 63.2 (6.1) | 572.5 (26.4) |
0.10 | 12.37 (0.62) | 10.89 (0.92) | 4.55 (0.27) | 56.00 (2.88) | 2.39 (0.10) | 134.7 (28.1) | 56.3 (2.2) | 692.7 (36.4) | |
0.25 | 14.38 (0.72) | 13.43 (0.60) | 4.37 (0.28) | 62.22 (4.11) | 3.07 (0.12) | 193.1 (14.6) | 62.8 (4.9) | 894.7 (47.3) | |
0.50 | 15.72 (0.79) | 13.67 (0.84) | 4.75 (0.57) | 63.41 (4.17) | 2.88 (0.17) | 214.9 (26.8) | 74.7 (7.3) | 996.8 (39.8) | |
0.75 | 9.13 (0.46) | 9.44 (0.98) | 3.98 (0.91) | 58.56 (3.28) | 2.37 (0.16) | 86.2 (16.9) | 36.3 (2.8) | 534.7 (27.4) | |
1.00 | 4.00 (1.2) | 6.45 (0.13) | 2.66 (0.33) | 48.64 (3.42) | 2.42 (0.14) | 25.8 (3.8) | 10.6 (1.5) | 194.6 (12.7) | |