Table 3. The inhibition of N.O production by major compounds from Zanthoxylum myriacanthum var. pubescens bark.

	Compound name	IC50(μM)	Inhibition of NO production at concentration of 50 μΜ
2	hexadecanamide	>50	−33.46% ± 2.21
7	adenosine	>50	−4.30% ± 3.04
8	alhagidin	>50	6.09% ± 0.62
10	hesperidin (hesperetin-7-O-rutinoside)	>50	0.54% ± 0.76
11	rhoifoline B	>50	12.13% ± 2.30
12	zanthoxyline dimethoxy derivative	>50	8.09% ± 2.30
13	N-nitidine	>50	2.21% ± 1.69
14	nitidine	>50	19.36% ± 1.08
18	decarine	48.43	51.06% ± 0.00
	3(2H)-benzofuranone	>50	11.19% ± 4.90