Table 1. Effect of Cuscuta chinensis on cyclic nucleotides in penile corpus cavernosum.

Cuscuta chinensis	Cyclic nucleotides
	cGMP (fmol mg−1)	cAMP (fmol mg−1)
Control	254.1±16.9	6772.1±501.3
1 mg ml −1	301.2±18.3*	7412.8±563.5*
2 mg ml −1	354.9±22.9*	8122.6±617.1*
3 mg ml −1	401.3±28.8*	9223.9±601.5*
4 mg ml −1	467.1±37.5*	9926.1±667.7*

Abbreviations: cAMP, cyclic adenosine monophosphate; cGMP, cyclic guanosine monophosphate.

*P<0.01 vs. control.