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(a) HP-SEC elution profiles at 280 nm of the acidolysis fractions from Iroko and mixed sawdust of Iroko and Norway spruce (AL-IR and AL-IRNS) as well as their respective acetone-extractives fractions (AcO-Ex IR and AcO-EX IRNS); (b) UV-VIS spectra (230–430 nm range) of AL and AcO-Ex fractions from IR and IRNS; (c) HP-SEC elution profiles at 280 nm vs. 340 nm of AL-IR and AcO-EX IR.
