Research Article
Synthesis of Poly-(R-hydroxyalkanoates) by Cupriavidus necator ATCC 17699 Using Mexican Avocado (Persea americana) Oil as a Carbon Source
Table 1
Final yields of poly-R-hydroxyalkanoates obtained from a three-stage fermentation of Cupriavidus necator.
| | Substrate | oil | | PHA | biomass | PHA | Productivity | | (% v/v) | (g L−1) | (g L−1) | (g L−1) | (%) | (g L−1 h−1) |
| | Fructose | — | 5.25 (±0.01) | 4.04 (±0.02) | 1.21 (±0.009) | 76.87 (±1.03) | 0.081 |
| | Fructose, avocado oil | 5 | 4.45 (±0.02) | 2.64 (±0.03) | 1.82 (±0.012) | 59.21 (±1.12) | 0.053 | | 10 | 4.63 (±0.05) | 3.14 (±0.04) | 1.49 (±0.017) | 67.69 (±1.38) | 0.063 | | 15 | 4.74 (±0.04) | 3.27 (±0.03) | 1.47 (±0.013) | 69.04 (±1.43) | 0.065 | | 20 | 4.91 (±0.04) | 3.48 (±0.04) | 1.43 (±0.015) | 70.83 (±1.31) | 0.070 | | 25 | 4.61 (±0.03) | 3.07 (±0.06) | 1.54 (±0.011) | 66.63 (±1.29) | 0.061 |
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oil: avocado oil concentrations (% v/v). : measured gravimetrically. biomass: biomass concentration after PHA extraction.
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