Absorption by carbohydrates in the band 800-1050 nm is well
known (Williams and Norris, 1987). The by-products of cell wall degradation
absorb above 900 nm and induce extra absorption in this band (Wilson et al.,
2000).
P. 419 in Fan et al., (2009) Determination of soluble solids
and firmness of apples by Vis/NIR transmittance, J. of Food Eng. , 93,
416-420.
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