Table 2.
Literature overview of fermentability studies on C. saccharolyticus using crop-based feedstock or industrial waste stream derived biomass. * Extraction methods and mechanical pre-treatments were excluded in this overview, biological pre-treatment indicated pre-treatment by pre-incubation with Bacillus amyloliquefaciens; ** Multiple, different pre-treatments used; B, batch cultivation; CB, controlled batch cultivation; $ Minimal and maximal reported H2 yields are given.
| Reference | Substrate | Pre-treatment * | Cultivation method | H2 yields $/Remarks |
|---|---|---|---|---|
| [87] | Wheat grains | Enzymatic | B | |
| Wheat straw | Acid/Enzymatic | B | ||
| [88] | Barley straw | Acid/Enzymatic ** | B | |
| [29] | Crystalline cellulose | - | B | Proteome data |
| Birchwood xylan | - | B | ||
| Switchgrass | Acid | B | ||
| Whatman no. 1 filterpaper | - | B | ||
| [89] | Wheat straw | Acid/Enzymatic | B | |
| Barley straw | Acid/Enzymatic | B | ||
| Corn stalk | Acid/Enzymatic | B | ||
| Corn cob | Acid/Enzymatic | B | ||
| [36] | Poplar | - | B | Microarray data |
| Switchgrass | Acid | B | Microarray data | |
| [90] | Beet Molasses | - | CB | 0.9–4.2 |
| [91] | Potato steam peels | Enzymatic | CB | 1.7–3.4 |
| Potato steam peels | - | CB | 1.1–3.5 | |
| [92] | Filter paper | - | B | |
| Wheat straw | Biological | B | ||
| Silphium perfoliatum leaves | Biological | B | ||
| Maize leaves | Biological | B | ||
| Sugar cane bagasse | Biological | B | ||
| Sweet sorghum whole plant | Biological | B | ||
| [93] | Sugar beet | - | CB | 3.0 |
| [94] | Sweet sorghum bagasse | Alkaline/Enzymatic ** | B/CB | 1.3–2.6 |
| [55] | Carrot pulp | Enzymatic | CB | 1.3–2.8 |
| Carrot pulp | - | CB | ||
| [35] | Crystalline cellulose | - | B | Proteome data |
| Cellobiose | - | B | Microarray data | |
| [95] | Switchgrass | - | B | |
| Poplar | - | B | ||
| [53] | Xylan | - | B | Microarray data |
| Xyloglucan | - | B | Microarray data | |
| Xyloglucan-oligosaccharides | - | B | Microarray data | |
| [96] | Barley straw | Acid/Enzymatic | B | |
| Corn stalk | Acid/Enzymatic | B | ||
| Barley grain | Enzymatic | B | ||
| Corn grain | Enzymatic | B | ||
| Sugar beet | - | B | ||
| [97] | Sweet sorghum plant | - | B | |
| Sweet sorghum juice | - | B | ||
| Dry sugarcane bagasse | - | B | ||
| Wheat straw | - | B | ||
| Maize leaves | - | B | ||
| Maize leaves | Biological | B | ||
| Silphium trifoliatum leaves | - | B | ||
| [54] | Miscanthus giganteus | Alkaline/Enzymatic | B/CB | 2.4–3.4 |
| [52] | Agarose | - | B | With different support matrixes |
| Alginic acid | - | B | ||
| Pine wood shavings | - | B | ||
| [98] | Jerusalem artichoke | - | B | Co-fermentation with natural biogas-producing consortia |
| Fresh waste water sludge | - | B | ||
| Pig manure slurry | - | B | ||
| [78] | Paper sludge | Acid/Enzymatic | CB | |
| [99] | Paper sludge | Acid/Enzymatic | B |