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Table 1 Variation of corn cob residue chemical composition after sulfite pretreatments

From: Comparative study of sulfite pretreatments for robust enzymatic saccharification of corn cob residue

Component/% RMa Neutrala Acidica Alkalinea Ethanola
Solid Yield 89.23 91.85 78.18 84.68
Glucan 48.10±0.306 51.55±0.273 49.31±0.363 51.77±0.369 55.51±0.391
Klason Lignin 41.58±0.296 37.35±0.259 37.29±0.175 35.57±0.291 35.14±0.251
Acid Soluble Lignin 1.61±0.084 0.44±0.017 0.65±0.012 0.354±0.011 0.385±0.009
Total Lignin 43.19±0.306 37.79±0.352 37.95±0.172 35.92±0.280 35.53±0.243
Ash 6.84±0.211 7.95±0.358 8.51±0.139 9.21±0.326 7.91±0.199
Residual Glucan b - 45.99 45.29 40.47 47.01
Residual Lignin b - 33.72 34.86 28.08 30.09
  1. Note: a: RM represents the raw material of corn cob residue, while Neutral, Acidic, Alkaline, and Ethanol represent corn cob residue treated with sulfite in neutral, acidic, alkaline, and ethanol environments, respectively. b: based on the quality of the untreated corn cob residue.