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Table 5 Predictive models describing the relationship between hydrolysis yields of various pretreated lignocellulosic substrates and the significant variables.

From: Cellulose accessibility limits the effectiveness of minimum cellulase loading on the efficient hydrolysis of pretreated lignocellulosic substrates

Substrate Modela R 2
SPCFb H = 0.1349 + 0.00085T - 0.0257S + 0.0214C - 0.0006C2 + 0.0412B - 0.00075B2 + 0.00096SC - 0.00043CB 0.9563
SPCSc H = 0.4346 + 0.002T - 0.0229S + 0.0023C + 0.0131B - 0.00032B2 0.9406
SPLPd H = -0.2426 + 0.0023T + 0.0234C + 0.0095C + 0.0327B - 0.0006B2 - 0.0005CB - 0.0007SC 0.9163
SPDFe H = -0.2953 + 0.0018T - 0.0065S + 0.0221C - 0.000171C2 + 0.02152B - 0.00047B2 0.9402
OPPf H = -0.2409 + 0.0032T + 0.0207S + 0.0094C + 0.05006B - 0.00217B2 - 0.0005C + 0.00015CB 0.9434
OPCFg H = 0.1178 + 0.00438T - 0.0214S + 0.00876C + 0.0552B - 0.0014B2 - 0.0012SB 0.9295
OPLPh H = -0.5703 + 0.00166T + 0.061S + 0.0312C - 0.00028B2 + 0.0301B - 0.00064B2 + 0.00009TC - 0.00037SC 0.9294
  1. aH = hydrolysis yield; C = cellulase loading, mg protein/g glucan; B = β-glucosidase loading, mg protein/g glucan; T = hydrolysis time, hours; S = solids loading, % w/v.
  2. bSPCF = steam-pretreated corn fiber.
  3. cSPCS = steam-pretreated corn stover.
  4. dSPLP = steam-pretreated lodgepole pine.
  5. eSPDP = steam-pretreated douglas fir.
  6. fOPP = organosolv-pretreated poplar.
  7. gOPCF = organosolv-pretreated corn fiber.
  8. hOPLP = organosolv-pretreated lodgepole pine.