Table 1: Volatile compounds of Cape gooseberry fruit obtained by HS-SPME.

NumberaI bCompounds%RAcIdentificationd

1749Acetaldehyde 0.17 ± 0.01A, B, C
28122-Propanone 0.44 ± 0.02A, B, C
3824Methyl acetate 0.10 ± 0.01A, B, C
4871Butanal 0.21 ± 0.01A, B, C
58772-Methylpropenal 0.06 ± 0.01A, B
6885Ethyl acetate 1.52 ± 0.06A, B, C
79002-Butanone 0.03 ± 0.01A, B, C
89112-Methylbutanal 0.11 ± 0.01A, B
9932Ethanol 1.09 ± 0.05A, B, C
109742-Pentanone 1.11 ± 0.06A, B, C
11984Methyl butanoate 1.58 ± 0.10A, B, C
121011Isobutyl acetate 0.41 ± 0.02A, B, C
131016α-Pinene 0.41 ± 0.01A, B, C
141035Ethyl butanoate 6.47 ± 0.32A, B, C
151038Dimethylvinylcarbinol 2.24 ± 0.11A, B
161058Camphene 0.07 ± 0.01A, B, C
171063Isopropenyl ethyl ketone 0.02 ± 0.01A, B
181069Butyl acetate 1.61 ± 0.12A, B, C
191078Hexanal 1.26 ± 0.09A, B, C
2010933,7-Dimethyl-1-octene 0.04 ± 0.01A, B
211097Isobutyl alcohol 0.91 ± 0.03A, B, C
221115Verbenene 0.04 ± 0.01A, B
2311182-Methylbutyl acetate 2.16 ± 0.17A, B, C
241123Dehydrosabinene 0.03 ± 0.01A, B
251126sec-Butyl butyrate 0.02 ± 0.01A, B, C
261131Ethyl pentanoate 0.01 ± 0.01A, B, C
2711461-Butanol 2.50 ± 0.16A, B, C
281156Isobutyl butanoate 1.40 ± 0.08A, B
291158β-Myrcene 1.11 ± 0.09A, B, C
301161Ethyl 2-butenoate 0.03 ± 0.01A, B
311172α-Terpinene 0.19 ± 0.01A, B, C
3211792-Heptanone 0.98 ± 0.06A, B, C
331182Heptanal 0.06 ± 0.01A, B, C
341184Methyl hexanoate 0.07 ± 0.01A, B, C
351192Limonene 0.37 ± 0.02A, B, C
361204Eucalyptol 6.67 ± 0.57A, B, C
3712062-Methyl-1-butanol 3.10 ± 0.29A, B, C
381216Butyl butanoate 2.10 ± 0.15A, B, C
391231Ethyl hexanoate 0.60 ± 0.04A, B, C
4012356-Methyl-2-heptanone 0.13 ± 0.01A, B
411241γ-Terpinene 0.28 ± 0.01A, B, C
421248β-trans-Ocimene 0.70 ± 0.05A, B
431256Cyclooctatetraene 0.08 ± 0.01A, B
4412633-Methylbutyl butanoate0.59 ± 0.03A, B, C
451268ρ-Cymene 0.62 ± 0.04A, B, C
461270Hexyl ethanoate 1.49 ± 0.11A, B, C
471279α-Terpinolene 2.16 ± 0.19A, B, C
481287Octanal 0.23 ± 0.01A, B, C
4912962,3-Dimethyl-1-butanol 0.02 ± 0.01A, B
5013124-Methyl-1-pentanol 0.01 ± 0.01A, B, C
511317Heptan-2-ol 1.25 ± 0.09A, B, C
5213244-Nonanone 0.40 ± 0.03A, B, C
531336Methyl heptenone 0.63 ± 0.05A, B
5413531-Hexanol 6.87 ± 0.52A, B, C
551363cis-3-Hexenol 0.02 ± 0.01A, B, C
561367Rosoxide 0.13 ± 0.01A, B
5713794-Octanol 0.04 ± 0.01A, B, C
581384trans-3-Hexenol 0.18 ± 0.01A, B, C
591388Methyl octanoate 1.90 ± 0.17A, B, C
601393Nonanal 0.61 ± 0.05A, B, C
6113972-Norbornanone 0.10 ± 0.01A, B
621404Isophorone 0.11 ± 0.01A, B, C
631417Hexyl butanoate0.19 ± 0.01A, B, C
6414213-Methyl-1-hexanol 0.05 ± 0.01A, B, C
6514233-Ethyl-4-heptanol 0.07 ± 0.01A, B, C
661434Ethyl octanoate 4.01 ± 0.37A, B, C
671438Cymenene 0.84 ± 0.06A, B
6814483-Octenol 0.29 ± 0.01A, B, C
6914541-Heptanol 0.25 ± 0.02A, B, C
7014616-Methyl-hept-5-en-2-ol 0.19 ± 0.01A, B, C
711471Linalool oxide 0.05 ± 0.01A, B
721490Ethylhexanol 0.21 ± 0.01A, B, C
731502Decanal 0.01 ± 0.01A, B, C
7415172-Nonadecanol 0.33 ± 0.02A, B
751520Propyl octanoate 0.88 ± 0.07A, B, C
761529Benzaldehyde 2.94 ± 0.17A, B, C
771543cis-Piperitone oxide 0.58 ± 0.04A, B
781546Linalool 0.41 ± 0.03A, B, C
791553Isobutyl octanoate 0.95 ± 0.07A, B, C
8015571-Octanol 0.47 ± 0.03A, B, C
8115644-Isopropyl-1-methyl-2-cyclohexen-1-ol 0.03 ± 0.01A, B
821575Isopulegol 0.08 ± 0.01A, B, C
831586Fenchol 0.20 ± 0.01A, B, C
841595Methyl decanoate 1.14 ± 0.09A, B, C
8516054-Terpineol 3.27 ± 0.26A, B, C
861614Butyl octanoate 1.47 ± 0.11A, B, C
871627β-Cyclocitral 1.02 ± 0.09A, B
881639Ethyl decanoate 3.39 ± 0.22A, B, C
891644Butyric acid 0.12 ± 0.01A, B, C
901659Isoamyl octanoate 0.38 ± 0.02A, B, C
911682cis-Verbenol 0.06 ± 0.01A, B
921685trans-Citral 0.15 ± 0.01A, B, C
9316891,8-menthadien-4-ol 0.38 ± 0.02A, B
941699α-Terpineol 2.32 ± 0.15A, B, C
951706endo-Borneol 0.30 ± 0.01A, B, C
961708Butyl 3-hydroxybutanoate 0.12 ± 0.01A, B
971712γ-Ethylbutyrolactone 1.43 ± 0.12A, B, C
981715Verbenone 0.12 ± 0.01A, B, C
991723Propyl decanoate 0.30 ± 0.02A, B
1001732Myrcenol 0.25 ± 0.01A, B, C
1011735Geranaldehyde 0.23 ± 0.01A, B, C
1021755Isobutyl decanoate 0.55 ± 0.03A, B, C
1031766β-Citronellol 0.91 ± 0.05A, B, C
1041785Methyl salicylate 0.10 ± 0.01A, B, C
1051797Nopol 0.08 ± 0.01A, B
1061802Methyl 11-cyclopentylundecanoate0.89 ± 0.07A, B
1071810Hexyl octanoate 0.06 ± 0.01A, B, C
1081818Butyl decanoate 0.55 ± 0.04A, B, C
1091822Phenylethyl acetate 0.02 ± 0.01A, B, C
1101839cis-ρ-Mentha-1(7),8-dien-2-ol 0.18 ± 0.01A, B
1111844Ethyl dodecanoate 1.33 ± 0.09A, B, C
1121848Geraniol 0.12 ± 0.01A, B, C
1131852ρ-Cymen-8-ol 1.57 ± 0.11A, B
1141857Geranyl acetone 0.05 ± 0.01A, B, C
1151860Hexanoic acid 0.03 ± 0.01A, B, C
1161878cis-Myrtanol 0.07 ± 0.01A, B
1171883Benzyl alcohol 2.07 ± 0.14A, B, C
1181919Phenethyl alcohol 0.12 ± 0.01A, B, C
1191927δ-Octalactone 0.59 ± 0.03A, B, C
1201945β-Ionone 0.19 ± 0.01A, B, C
1211959Isobutyl dodecanoate 0.05 ± 0.01A, B, C
1221969(-)-Caryophyllene oxide0.02 ± 0.01A, B
1231999β-Ionone-5,6-epoxide 0.11 ± 0.01A, B
1242023Butyl dodecanoate 0.08 ± 0.01A, B, C
1252053Hydrocinnamic alcohol 0.06 ± 0.01A, B
1262074Octanoic acid 0.54 ± 0.03A, B, C
1272157γ-Undecalactone 0.05 ± 0.01A, B, C
1282180Nonanoic acid 0.03 ± 0.01A, B, C
1292221Carvacrol 0.01 ± 0.01A, B
1302287Decanoic acid 0.09 ± 0.01A, B, C
1312309Farnesol 0.03 ± 0.01A, B, C
1322354Neric acid 0.08 ± 0.01A, B, C
1332367Dihydroactinidiolide0.03 ± 0.01A, B

aCompounds listed in the order of elution from column.
bRetention index on TRB-Wax column.
cPercentage relative area (peak area of the compound relative to total peak area of identified compounds) of three replicates. Each value is expressed as mean ± SD.
dA: confirmed by mass spectral data fitting NIST and Wiley libraries; B: identified by retention index and compared with those reported in the literature; C: peak enrichment on coinjection with authentic reference compounds.