Research Article
Production, Purification, and Characterization of a Major Penicillium glabrum Xylanase Using Brewer's Spent Grain as Substrate
Table 1
Influence of pure carbohydrates and agroindustrial wastes on xylanase production by P. glabrum.
| Carbon source (1% w/v) |
Intracellular protein (mg) | Xylanase activity | (U/mL) | (U/mg protein) |
| Pure carbohydrates |
| Glucose | 1.75 | 0.04 | 0.07 | Xylose | 1.04 | 0.25 | 0.60 | Maltose | 0.89 | 0.06 | 0.14 | Lactose | 0.34 | ND | ND | Sucrose | 1.34 | ND | ND | Cellobiose | 1.11 | ND | ND | Avicel | 0.25 | ND | ND | CM-cellulose | 0.34 | ND | ND | Oat spelt xylan | 1.98 | 25.44 | 64.96 |
| Agroindustrial wastes |
| Sugarcane bagasse | 0.53 | 8.34 | 25.14 | Wheat bran | 1.84 | 20.54 | 43.35 | Oat bran | 1.14 | 13.54 | 28.31 | Rice straw | 1.24 | 17.65 | 30.34 | Brewer's spent grain | 2.10 | 34.32 | 102.65 | Soybean meal | 0.76 | 8.23 | 20.43 | Corn cobs | 0.83 | 7.32 | 18.23 | Citrus pectin | 0.34 | 0.10 | 0.34 | Orange bagasse | 0.38 | 0.16 | 0.65 |
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