Table 1. Comparison of magnetic field (mf) and g-value of ESR spectra of 7 kGy-irradiated pure polycrystalline cellulose powder before and after thermal treatments at 50, 100, and 150°C.

Heat treatment	ESR spectra	ESR spectra
		Peak 1	Peak 2	Peak 3	Peak 4
Control	MF (mT)	334.65±0.02	336.31±0.03	337.75±0.02	340.72±0.01
	g-value	2.024±0.001	2.015±0.004	2.005±0.002	1.988±0.002
50℃	MF (mT)	334.62±0.03	336.29±0.03	337.72±0.02	340.67±0.02
	g-value	2.024±0.004	2.014±0.004	2.005±0.002	1.988±0.002
100℃	MF (mT)	334.59±0.02	336.58±0.04	337.83±0.04	340.24±0.02
	g-value	2.024±0.003	2.012±0.004	2.005±0.003	1.990±0.004
150℃	MF (mT)	-	-	337.43±0.02	-
	g-value	-	-	2.007±0.003	-