Table 3.

Volatile compounds (%) identified in okra pods.

Compounds	L.R.I	Okra Pods
4-Hydroxy-d-methyl-2-pentanone	837	3.50 ± 0.10
α-Pinene	941	1.90 ± 0.05
(E)-2-Heptanal	962	0.70 ± 0.02
Benzaldehyde	963	0.50 ± 0.01
1-Octn-3-ol	981	3.10 ± 0.60
β-Pinene	982	0.90 ± 0.01
6-Methyl-5-hepten-2-one	987	2.40 ± 0.40
Limonene	1032	6.70 ± 0.30
(E)-3-Octen-1-ol	1062	4.10 ± 0.10
(E)-2-Octen-1-ol	1070	4.30 ± 0.10
1-Octanol	1075	4.00 ± 0.10
n-Undecane	1100	0.70 ± 0.01
Linalool	1101	1.60 ± 0.07
Nonanal	1104	3.40 ± 0.10
cis-ρ-Menth-2-en-1-ol	1123	1.60 ± 0.04
Camphor	1145	3.40 ± 0.10
Menthol	1174	1.50 ± 0.05
α-Terpineol	1191	0.90 ± 0.03
cis-Dihydrocarvone	1195	0.60 ± 0.01
n-Dodecane	1200	2.60 ± 0.03
Decanal	1206	4.60 ± 0.20
β-Cyclocitral	1222	1.80 ± 0.04
Exo-fenchyl acetate	1230	2.20 ± 0.06
Carvone	1244	4.50 ± 0.10
(E)-Anethole	1285	6.90 ± 0.30
n-Tridecane	1300	2.00 ± 0.03
α-Cubebene	1351	1.70 ± 0.05
Eugenol	1358	4.20 ± 0.20
n-Tetradecane	1400	2.10 ± 0.04
β-Caryophyllene	1419	5.40 ± 0.20
2,5-Dimethoxy-ρ-cymene	1424	1.60 ± 0.04
Δ8,9-Dehydro-4-hydroxythymol dimethyl ether	1444	4.30 ± 0.20
Alloaromadendrene	1462	2.60 ± 0.05
γ-Muurolene	1478	1.70 ± 0.08
3,4-Dehydro-β-ionone	1786	2.50 ± 0.10
Monoterpene hydrocarbons		9.50 ± 0.16
Oxygenated monoterpenes		22.20 ± 0.05
Sesquiterpene hydrocarbons		11.40 ± 0.07
Phenylpropanoids		11.10 ± 0.12
Apocarotenes		4.30 ± 0.04
Non-terpene derivatives		38.00 ± 0.12
Total identified (%)		96.50 ± 0.02

LRI: linear retention indices on DB-5 column. Data expressed as means ± standard deviations.