Spectrum-Efficacy Relationships between GC-MS Fingerprints of Essential Oil from Valerianae Jatamansi Rhizoma et Radix and the Efficacy of Inhibiting Microglial Activation

Table 1

The 20 common peak areas of 14 batches EOVJRR from various sources.

Peak number	Retention time (min)	Compounds	Molecular formula	CAS	C.V. (%)
1	18.334	Bornyl acetate	C10H20O2	2445-77-4	67.05
2	21.068	β-Patchoulene	C15H24	514-51-2	50.99
3	21.173	β-Elemene	C15H24	515-13-9	68.76
4	22.361	α-Guaiene	C15H24	3691-12-1	48.24
5	22.769	Seychellene	C15H24	20085-93-2	32.59
6	22.902	Humulene	C15H24	6753-98-6	31.83
7	23.065	α-Patchoulene	C15H24	560-32-7	28.68
8	23.747	β-Selinene	C15H24	17066-67-0	30.05
9	24.057	α-Bulnesene	C15H24	3691-11-0	38.59
10	24.494	α-Panasinsene	C15H24	56633-28-4	27.93
11	24.74	Kessane	C15H26O	3321-66-2	53.64
12	26.705	Vetivenol	C15H24O	68129-81-7	50.31
13	27.416	Isovalencenol	C15H24O	22387-74-2	29.15
14	27.778	β-Humulene	C15H24	116-04-1	35.11
15	27.955	γ-Gurjunene	C15H24	22567-17-5	40.67
16	28.121	Patchouli alcohol	C15H26O	5986-55-0	67.3
17	28.432	Longifolen aldehyde	C15H24O	66537-42-6	34.16
18	28.941	Aristol-1(10)-en-9-yl isovalerate	C20H32O2	—	44.88
19	30.755	(E)-Valerenyl isovalerate	C20H32O2	—	44.98
20	33.98	Neocembrene	C20H32	31570-39-5	20.76

C.V. (%) = σ/μ ∗ 100, σ is the standard deviation and μ is the average value of peak area.