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Main components of wheat straw pretreated by steam explosion in water (SE), steam explosion with dilute sulfuric acid (AcSE), or alkaline pretreatment (AP).
| SE | AcSE | AP | |
|---|---|---|---|
| Cellulose | 49.0% | 43.6% | 71.8% |
| Hemicellulose | 15.4% | 17.1% | 24.1% |
| Lignin | 35.6% | 39.3% | 4.1% |
