Table 2.

Identification of chemical components in PNS.

No.	tR	m/z		Error	Adduct	Formula	Identification
	(min)	Calculated	Observed	(ppm)
1	18.61	1007.5421	1007.5421	−0.02	[M+HCOO]−	C48H82O19	20-O-glucoginsenoside Rf
2	20.27	1007.5421	1007.5422	0.10	[M+HCOO]−	C48H82O19	Notoginsenoside R3
3∗	21.09	977.5316	977.5300	0.84	[M+HCOO]−	C47H80O18	Notoginsenoside R1
4∗	22.62	845.4893	845.4879	−0.92	[M+HCOO]−	C42H72O14	Ginsenoside Rg1
5∗	23.07	991.5472	991.5462	−1.03	[M+HCOO]−	C48H82O18	Ginsenoside Re
6	24.43	1169.5949	1169.5917	−0.19	[M+HCOO]−	C54H92O24	Notoginsenoside A
7	25.62	1005.5265	1005.5276	1.16	[M+HCOO]−	C48H80O19	Notoginsenoside G
8∗	27.13	815.4787	815.4794	0.23	[M+HCOO]−	C41H70O13	Ginsenoside F3
9∗	31.65	845.4893	845.4898	0.59	[M+HCOO]−	C42H72O14	Ginsenoside Rf
10∗	32.72	815.4787	815.4785	−0.36	[M+HCOO]−	C41H70O13	Notoginsenoside R2
11	33.89	1239.6368	1239.6351	−1.36	[M−H]−	C59H100O27	Notoginsenoside R4
12∗	35.54	829.4943	829.4943	−0.09	[M+HCOO]−	C42H72O13	Ginsenoside Rg2
13	36.53	1239.6368	1239.6362	−0.48	[M−H]−	C59H100O27	Notoginsenoside Fa
14∗	37.28	683.4365	683.4366	0.13	[M+HCOO]−	C36H62O9	Ginsenoside F1
15∗	40.09	1153.6000	1153.5986	−1.22	[M+HCOO]−	C54H92O23	Ginsenoside Rb1
16∗	55.02	991.5472	991.5472	−0.04	[M+HCOO]−	C48H82O18	Ginsenoside Rd

∗Identified by reference substances.