. 2013 Jan 10;8(1):e52797. doi: 10.1371/journal.pone.0052797

Table 5. Phyto-chemotypes identified in the methanol root extract of R. imbricata by GC/MS.

S. No.	Peak RT (min)	Peak area	Peak area %	Compound detected	Hit	SI	RSI	Prob	CAS No	Mol. Formula	Mol. Wt.
1	13.73	224745	0.43	3-Methoxy-5-methylphenol	1	730	810	72.09	3209-13-0	C₈H₁₀O₂	138
2	15.78	5548712	11.07	Ethanone, 1-(4-hydroxyphenyl)	1	884	910	60.39	99-93-4	C₈H₈O₂	136
3	17.87	345721	0.66	1-Dodecane	1	699	751	16.38	112-40-3	C₁₂H₂₆	170
4	19.33	1157289	2.21	1-Dotriacontane	1	777	785	14.73	544-85-4	C₃₂H₆₆	450
5	20.69	8405167	17.01	Octadecane, 1-chloro	1	734	738	22.3	386-33-2	C₁₈H₃₇Cl	288
6	22.32	905705	1.73	Hexadecanoic acid, methyl ester	1	793	866	61.21	112-39-0	C₁₇H₃₄O₂	270
7	22.89	1901742	3.67	Hexadecanoic acid	4	660	762	11.87	57-10-3	C₁₆H₃₂O₂	256
8	24.36	1592833	3.99	9,12-Octadecadienoic acid (Z,Z)-, 2-hydroxy-1-(hydroxymethyl)ethyl ester	5	807	833	6.93	3443-82-1	C₂₁H₃₈O₄	354
9	24.44	821776	1.74	9,12,15-Octadecatrienoic acid, 2,3-dihydroxypropyl ester, (Z,Z,Z)	2	804	825	32.86	18465-99-1	C₂₁H₃₆O₄	352
10	24.96	1495805	3.35	Ethyl linoleate	10	681	835	2.99	544-35-4	C₂₀H₃₆O₂	308
11	29.06	1614826	3.57	1,3-Dimethoxybenzene	34	471	675	0.33	151-10-0	C₈H₁₀O₂	138
12	30.91	3109377	5.92	Ascaridole	1	619	700	57.05	512-85-6	C₁₀H₁₆O₂	168
13	31.92	3533697	7.23	Unknown	-	-	-	-	-	-	-
14	33.77	174824	0.56	δ-Tocopherol	1	667	763	89.78	119-13-1	C₂₇H₄₆O₂	402
15	36.71	4419092	8.42	α-Tocopherol	1	731	853	46.36	59-02-9	C₂₉H₅₀O₂	430
16	38.04	2615057	4.98	Campesterol	1	726	810	24.4	474-62-4	C₂₈H₄₈O	400
17	39.36	11245680	21.91	Stigmast-5-en-3-ol, (3β,24S)	1	813	850	67.6	83-47-6	C₂₉H₅₀O	414
18	41.38	902689	1.55	Stigmast-4-en-3-one	45	395	709	0.74	1058-61-3	C₂₉H₄₈O	412