Biochemistry Research International

Research Article

Chemical Composition and Biological Activities of the Essential Oils of Chrysophyllum albidum G. Don (African Star Apple)

Table 1

Chemical composition of the leaf essential oil of Chrysophyllum albidum as determined by GC-MS.


S/N	Compound name	% C	RI^a	RI^b

1	1,3-Dimethylcyclohexane cis-trans	0.375	740	ni
2	Ethylcyclohexane	0.473	810	ni
3	4,6-Octadiyn-3-one, 2-methyl-	0.434	846	ni
4	Decane	1.720	972	1000
5	Linalyl anthranilate	0.894	1071	ni
6	Undecane	2.097	1166	1100
7	Indole	3.419	1363	1301
8	Ethanone, 1-(2-hydroxy-5-methylphenyl)-	0.558	1381	1316
9	cis-Hexanoic acid	0.415	1341	ni
10	2,7-Octadiene, 4-methyl-	1.051	1345	ni
11	Tetradecane	3.460	1358	ni
12	1,5-Cyclooctadiene, 1,3-dimethyl-	0.745	1390	ni
13	(Z,E)-α-farnesene	0.556	1465	1488
14	3,7,11-Trimethyl-3-hydroxy-6,10-dodecadien-1-yl acetate	1.377	1520	ni
15	3-Hexen-1-ol, benzoate, (Z)-	0.388	1529	1569
16	Hexadecane	1.555	1550	1600
17	Sulfurous acid, 2-ethylhexyl hexyl ester	0.380	1740	ni
18	Hexahydrofarnesyl acetone	0.416	1786	1801
19	Farnesyl acetate <(Z,E)->	6.210	1813	1818
20	4-Benzyloxybenzoic acid	0.644	1823	ni
21	n-Hexadecanoic acid	20.245	1903	1942
22	1-(Hydroxymethyl)-1-(2′-hydroxyethyl) cyclopropane	0.388	1927	ni
23	2,7-Dimethyloctane	1.634	1932	ni
24	Phytol	0.574	2046	2096
25	Alkynyl stearic acid	6.905	2073	ni
26	Undecanoic acid	1.230	2092	ni
27	Hexadecane	0.396	2124	ni
28	2-Bromotetradecane	0.473	2218	ni
39	Hexanedioic acid, bis(2-ethylhexyl) ester	19.100	2307	ni
30	Tridecanol, 2-ethyl-2-methyl-	1.081	2391	ni
31	2-Bromononane	0.461	2494	ni
32	1-Iodo-2-methylundecane	4.077	2632	ni
33	Squalene	4.097	2193	ni
34	Eicosane, 2-methyl-	7.876	2275	ni
35	2-methyloctacosane	4.289	2386	2388

S/N: compound number in order of elution; %C-% composition of compound in essential oil; RI^a: retention index calculated from retention times relative to C8-C40 n-alkanes on a DB-5 column; RI^b: retention index from literature and web-based sources [19, 25]; ni-not identified (compounds do not have their retention index reported for a DB-5 column in literature; compound identified from the NIST or Wiley database by comparing mass spectra with spectral similarity score of 70 and above.