Pharmacokinetic Comparisons of Typical Constituents in Curcumae Rhizoma and Vinegar-Processed Curcumae Rhizoma after Oral Administration to Rats

Table 3

Stability of curdione and curcumol in microdialysates .

Analytes	Nominal concentration; (ng/mL)	At room temperature for 24 h		Three freeze/thaw cycles		At −20°C for two days
		Found (ng/mL)	RSD (%)	Found (ng/mL)	RSD (%)	Found (ng/mL)	RSD (%)
Curdione	6.66
	26.65
	191.88
Curcumol	16.23
	64.90
	467.28