Research Article
Photoproduction of Hydrogen under Different Cultural Conditions by Alginate Immobilized Rhodopsedomonas palustris KU003
Table 3
Effect of carbon sources on hydrogen production (mL/15 mL vessel) by immobilized cells of Rps. palustris in anaerobic dark.
| Carbon source | | | Incubation period (in hrs) | | | 24 | 48 | 72 | 96 | 120 | 144 | 166 | 192 |
| Fructose | — | — | 0.22 ± 0.22 | 0.44 ± 0.10 | 0.78 ± 0.18 | 1.12 ± 0.08 | 0.86 ± 0.24 | 0.56 ± 0.18 | Glucose | — | — | — | 0.34 ± 0.04 | 0.56 ± 0.12 | 0.84 ± 0.28 | 0.48 ± 0.14 | 0.26 ± 0.08 | Maltose | — | — | 0.36 ± 0.08 | 0.56 ± 0.06 | 0.96 ± 0.10 | 1.54 ± 0.28 | 1.12 ± 0.38 | 0.78 ± 0.22 | Sucrose | — | — | 0.28± 0.06 | 0.68 ± 0.16 | 1.18 ± 0.16 | 1.62 ± 0.38 | 0.78 ± 0.24 | 0.38 ± 0.22 | Mannitol | — | 0.22 ± 0.02 | 0.46 ± 0.08 | 0.78 ± 0.12 | 0.98 ± 0.32 | 1.12 ± 0.46 | 0.84 ± 0.18 | 0.46 ± 0.06 | Lactate | — | — | 0.36 ± 0.02 | 0.66 ± 0.18 | 1.10 ± 0.44 | 1.78 ± 0.10 | 1.38 ± 0.14 | 0.96 ± 0.12 | Malate | — | 0.38 ± 0.04 | 0.66 ± 0.02 | 1.28 ± 0.14 | 1.76 ± 0.42 | 2.12 ± 0.34 | 1.54 ± 0.10 | 0.78 ± 0.14 | Succinate | — | — | 0.38 ± 0.18 | 0.56 ± 0.12 | 0.98 ± 0.06 | 1.48 ± 0.22 | 0.78 ± 0.18 | 0.44 ± 0.12 | Lactose | — | 0.24 ± 0.06 | 0.46 ± 0.08 | 0.64 ± 0.16 | 0.94 ± 0.20 | 1.92 ± 0.14 | 1.34 ± 0.18 | 0.96 ± 0.38 | Sorbitol | — | 0.44 ± 0.06 | 0.68 ± 0.02 | 0.74 ± 0.10 | 0.94 ± 0.12 | 1.24 ± 0.14 | 0.64 ± 0.14 | 0.32 ± 0.28 |
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—No hydrogen.
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