Chemical Composition, Total Phenolic Content, and Antioxidant Activities of the Essential Oils of the Leaves and Fruit Pulp of Annona muricata L. (Soursop) from Ghana

Table 2

Composition of fruit pulp essential oil of Annona muricata as determined by GC-MS with tentative identified compounds.

No.	RT	SI	Compound	% composition
1	6.51	80	Nonane	1.74
2	6.96	98	Hexanoic acid methyl ester	1.86
3	7.74	96	2-Hexenoic acid, methyl ester	10.27
4	8.11	94	Pentanoic acid, 2-hydroxy-4-methyl-, methyl ester	0.03
5	8.18	98	Pentanoic acid, 2-hydroxy-3-methyl-, methyl ester	0.42
6	9.35	94	2,6,8-Trimethylbicyclo[4.2.0]oct-2-ene-1,8-diol	0.23
7	10.02	99	1,6-Octadien-3-ol, 3,7-dimethyl-	0.13
8	11.12	94	2-Octenoic acid, methyl ester, (E)-	0.48
9	11.58	92	Dodecane	0.59
10	12.00	94	Phenylacetaldehyde	1.71
11	13.05	91	Tridecane	0.43
12	14.31	97	2-Propenoic acid, 3-phenyl-, methyl ester	8.67
13	14.83	98	β-Caryophyllene	1.77
14	15.30	96	4,5-di-epi-Aristolochene	0.35
15	15.72	93	Falcarinol	0.18
16	16.05	99	β-Guaiene	0.17
17	20.54	94	Hexadecanoic acid, methyl ester	0.33
18	22.26	94	Glyceryl 2-laurate	1.52
19	22.31	99	9-Octadecenoic acid, methyl ester, (E)-	2.18
20	25.07	97	8-Octadecanoic acid	2.20
21	25.08	99	2-Hydroxy-1-(hydroxymethyl) ethyl ester	13.48
22	25.58	96	Ç-Sitosterol	19.82
23	26.44	94	9-Octadecanoic acid	4.59
24	26.44	96	Pentadecanoic acid, 13-methyl-, methyl ester	0.42
25	26.93	80	2,3-Dihydroxypropyl elaidate	3.81
26	27.02	96	Squalene	1.74
27	27.28	97	α-Sitosterol	3.04
28	27.28	99	Oleic acid	2.00
29	27.63	87	Octadecane	2.03
30	29.81	91	Campesterol	2.19
31	30.62	96	ϒ-Sitosterol	4.96
32	32.44	99	Oleyl oleate	2.53
33	32.65	86	Nonadecatriene-5,14-diol	4.12
			Esters	46.00
			Sterols	30.01
			Terpenes	4.03
			Alcohols	4.66
			Alkanes	4.79
			Aldehyde	1.71
			Carboxylic acid	8.79
			Total	99.99

No., compound number in order of elution; SI, Similarity Index (library search of purity value of a compound); RT, retention time in minutes.