Research Article
Fermentative Polyhydroxybutyrate Production from a Novel Feedstock Derived from Bakery Waste
Table 3
Yield of glucose (
), fructose (
), and free amino nitrogen (
) obtained by different hydrolytic treatments of bakery waste.
| Treatment | Seawater | Enzyme-to-solid ratio U g−1 | g g−1 | g g−1 | mg g−1 |
| Multienzyme solution | No | 6.9 | 0.23 | 0.02 | 0.29 | 13.1 | 0.29 | 0.04 | 0.41 |
| Commercial glucoamylase | No | 6.9 | 0.32 | 0.03 | 0.22 | 13.1 | 0.39 | 0.04 | 0.26 |
| Commercial glucoamylase | Yes | 1.0 | 0.28 | 0.09 | 0.36 |
| Control | No | — | 0.01 | 0.01 | 0.19 |
|
|