Fruit Volatile Fingerprints Characterized among Four Commercial Cultivars of Thai Durian (Durio zibethinus)

Table 1

Volatile compounds released from ripe flesh of 4 Thai durian fruits corresponded to the GC-MS chromatogram profiles.

Compound		RT	Relative content (ng thiophene/g FW)
			“Chanthaburi 1”	“Chanee”	“Monthong”	“Kanyao”
Ester
1	Methyl-2-methylbutanoate	0.4766	nd	nd	0.71	nd
2	Ethyl acetate	2.1226	8.81	nd	nd	nd
3	Ethyl propanoate	2.9628	nd	3.39	nd	5.70
4	Ethyl-2-methylpropanoate	3.6143	1.85	5.32	2.85	9.71
5	Ethyl butanoate	4.3402	nd	1.08	2.07	2.69
6	Propyl propanoate	4.5230	nd	nd	nd	2.38
7	Ethyl-2-methylbutanoate	5.3346	83.20	276.97	83.49	198.86
8	Methyl-2-methyl-2-butenoate	5.7576	4.67	1.11	1.08	1.07
9	Methyl hexanoate	5.7747	nd	nd	nd	7.33
10	Ethyl-3-methyl-2-butenoate	6.5005	4.74	4.98	1.51	nd
11	Propyl-2-methylbutanoate	6.5348	nd	45.52	nd	nd
12	Ethyl-2-methyl-2-butenoate	7.5865	50.87	8.30	nd	6.61
13	Pentyl-2-methylbutanoate	7.7465	26.58	nd	nd	63.31
14	Methyl-2-hexenoate	8.3524	nd	nd	0.59	nd
15	Ethyl hexanoate	9.2496	10.35	28.67	162.79	65.76
16	Methyl heptanoate	9.9754	nd	1.93	nd	nd
17	Ethyl-2-methylpentanoate	10.227	nd	5.82	nd	nd
18	Propyl-2-methyl-(E)-2-butenoate	10.296	16.93	nd	nd	3.17
19	Ethyl-2-hexenoate	10.547	1.05	nd	7.62	1.32
20	Propyl hexanoate	11.999	nd	nd	18.92	10.29
21	Ethyl heptanoate	12.096	nd	15.50	8.20	8.93
22	Methyl octanoate	12.850	nd	nd	21.08	26.94
23	Ethyl-4-octenoate	14.548	nd	nd	3.23	nd
24	Ethyl octanoate	14.931	8.20	144.54	166.95	169.68
25	Ethyl-2-methyl octanoate	15.754	nd	3.16	nd	0.80
26	Ethyl-(E)-2-octenoate	16.302	0.85	nd	11.35	3.10
27	2-Methylbutyl hexanoate	16.463	nd	nd	1.16	nd
28	Propyl octanoate	17.543	nd	5.81	10.61	16.20
29	Methyl decanoate	18.400	nd	nd	3.08	5.99
30	Ethyl decanoate	20.252	2.93	4.37	24.15	27.25
31	Methyl dodecanoate	23.424	nd	nd	nd	1.78
32	Ethyl dodecanoate	25.064	nd	2.25	nd	8.28
33	Ethyl nonanoate	25.076	2.26	nd	nd	nd
Total			223.29	558.74	531.44	647.13
Sulfur compound
1	Diethyl disulfide	7.0606	4.69	nd	2.48	nd
2	3,5-Dimethyl-1,2,4-trithiolane	13.074	5.10	nd	1.14	1.66
Total			9.79	0	3.61	1.66
Acid
1	Propanoic acid	2.7227	nd	1.02	nd	2.91
2	Hexanoic acid	8.8038	nd	0.72	4.45	9.92
3	Octanoic acid	14.302	nd	3.47	2.86	12.57
Total			0	5.21	7.31	25.40
Phenolic
1	2,4-Di-tert-butylphenol	23.138	nd	nd	1.72	nd
	2,5-bis (1,1-Dimethylethyl phenol)	23.144	nd	nd	nd	1.80
Total			0	0	1.72	1.80
Aldehyde
1	trans-2-Methyl-2-butenal	3.4086	nd	4.36	nd	9.61
	Total	3.4086	0	4.36	0	9.61