Table 2.

Optical properties of normal and damaged soybean seeds

Variety	Measurement target	${\mathit{\mu }}_{\mathit{a}}$( ${\mathit{m}\mathit{m}}^{-1})$			$\mathit{\mu }_{}^{_{}^{\mathbf{\prime }}}_{\mathit{s}}^{}$( ${\mathit{m}\mathit{m}}^{-1})$
		502	813	712	502	813	712
NN 1138–2	Normal sample	0.07802	0.03961	0.03004	0.82389	0.82731	0.80683
	Reference value	0.09107	0.04571	0.03478	0.91493	0.90724	0.88469
	Relative error (%)	14.33	13.35	13.62	9.95	8.81	8.80
	Damaged sample	0.11498	0.06772	0.04944	0.87472	0.75930	0.89752
	Reference value	0.13190	0.07571	0.05781	0.93217	0.82343	0.98469
	Relative error (%)	12.83	10.55	14.48	6.17	7.79	8.86
QY 1808	Normal sample	0.05531	0.01769	0.00952	0.76929	0.74397	0.81923
	Reference value	0.06086	0.02033	0.01090	0.83873	0.82367	0.88179
	Relative error (%)	9.12	12.99	12.63	8.28	9.71	7.10
	Damaged sample	0.16160	0.05213	0.03284	0.81472	0.70931	0.78346
	Reference value	0.17976	0.05792	0.03799	0.88294	0.75724	0.83469
	Relative error (%)	10.11	10.00	14.56	7.73	6.33	7.14
SX 26	Normal sample	0.06189	0.01687	0.01462	0.72189	0.72385	0.71936
	Reference value	0.07043	0.01935	0.01647	0.78294	0.77539	0.77926
	Relative error (%)	12.13	12.84	11.26	7.80	6.65	7.69
	Damaged sample	0.16166	0.05320	0.04267	0.73899	0.73196	0.75159
	Reference value	0.19002	0.06155	0.04998	0.80471	0.80001	0.81938
	Relative error (%)	14.93	13.57	14.62	8.17	8.51	8.28