Optimization of Microwave Vacuum Drying and Pretreatment Methods for Polygonum cuspidatum

Table 7

Indicator compounds retained in samples with drying condition.

Number	Polydatin (mg/g)	Emodin (mg/g)	Physcion (mg/g)	Resveratrol (mg/g)
(1)	18.828	18.589	0.128	0.379
(2)	20.656	13.664	0.011	0.228
(3)	17.806	10.186	0.004	0.285
(4)	12.619	14.154	0.027	0.272
(5)	12.037	6.397	0.004	0.068
(6)	13.931	17.397	0.055	0.397
(7)	11.795	5.49	0.026	0.112
	15.013	14.714	0.111	0.377
	12.405	7.513	0.008	0.188