Table 1.

Change of solubilities of sericin solutions gamma-irradiated under the different concentration

Concentration (mg/ml)	Irradiation dose (kGy)
	0	2.5	5	7.5	10
2.5	100	93.8*	90.5*	88.4*	87.2*
5	100	94.2*	90.2*	88.4*	86.9*
7.5	100	93.7*	90.5*	89.2*	87.2*
10	99.8	93.2*	91.1*	88.4*	87*
20	99.2	92.5*	86.7*	88.6*	76.8**

*p < 0.05; **p < 0.01, compared with non-irradiation (n = 20)