Volatile Composition of Sweet Passion Fruit (Passiflora alata Curtis)
Table 1
Concentration of volatile compounds in the pulp of sweet passion fruit genotypes, extracted by two SPME fibers and properly identified and semiquantified (µg/100 g).
Volatile compounds
BGM 004
BGM 163
CAR/PDMS
DVB/CAR/PDMS
CAR/PDMS
DVB/CAR/PDMS
Esters
1
Methyl acetate
<700
515
C
1090.82 Aa
138.86 Ba
683.69 Ab
244.59 Ba
2
Ethyl acetate
<700
609
C
662.35
nd
538.29
96.82
3
Methyl butanoate
727
728
B
8268.60
4639.15
8726.59
3446.35
4
Methyl (E)-2-butenoate
775
726
B
21329.75
6748.38
19534.15
4967.46
5
Ethy butanoate
808
804
A
9166.85
5515.43
6302.83
2989.42
6
Ethyl (E)-2-butenoate
853
865
A
11048.18 Aa
3207.06 Ba
5508.82 Ab
1291.36 Bb
7
Methyl-2-pentenoate
873
—
C
133.31
nd
129.12
28.50
8
Methyl 3-hydroxybutanoate
881
858
B
109.22
53.05
185.54
188.91
9
Propyl butanoate
901
896
B
98.56
48.06
44.91
21.11
10
Methyl hexanoate
930
927
B
982.20 Aa
414.11 Ba
488.92 Ab
138.88 Bb
11
Methyl 2-hexenoate
976
—
C
20485.31
6168.59
15317.83
4308.00
12
Butyl butanoate
998
994
A
325.58 Aa
145.04 Ba
102.55 Ab
65.00 Aa
13
Ethyl hexanoate
1002
998
A
1536.22 Aa
779.36 Ba
498.82 Ab
203.74 Bb
14
Ethyl-2-hexenoate
1055
1044
B
12026.88 Aa
5692.67 Ba
3102.64 Ab
1922.25 Ab
15
Methyl benzoate
1093
1090
B
636.45
419.12
760.52
688.96
16
Hexyl butanoate
1193
1192
B
252.31
96.14
325.17
34.00
17
Octyl acetate
1213
1211
A
826.84
962.88
112.22
122.00
18
Hexyl (2E) butanoate
1244
1242
B
219.14 Aa
87.18 Ba
36.85 Ab
67.03 Aa
19
Ethyl (E)-2-octenoate
1249
1249
B
284.23
322.87
31.39
46.28
20
Methyl geranate
1325
1323
B
20.14 Ba
41.32 Aa
6.45 Aa
nd
21
Benzyl butanoate
1346
1345
B
9.88
18.27
tr
8.18
22
(E)-Methyl cinnamate
1382
1379
B
18.40 Aa
5.30 Aa
nd
9.50 Aa
23
Hexyl hexanoate
1386
1383
A
2090.46
nd
1022.14
nd
24
Octyl butanoate
1389
1384
B
93.24 Ba
195.57 Aa
27.86 Aa
TR
25
Hexyl octanoate
1583
1582
B
49.47 Aa
nd
13.87Ab
nd
26
Methyl dihydrojasmonate
1660
—
C
Nd
9.34
nd
nd
Terpenes
27
3-δ-Carene
1007
1011
B
19.45
15.26
13.39
15.26
28
p-Cymene
1028
1026
B
19.35Aa
1.04 Ba
15.74 Aa
0.71 Ba
29
Limonene
1029
1029
A
Nd
19.67Aa
nd
10.67Ab
30
Cis-ocimene
1042
1037
B
27.21
19.95
17.34
14.57
31
Trans-β-ocimene
1057
1050
B
76.52
57.14
124.51
77.82
32
γ-Terpinene
1062
1059
A
10.82
5.24
7.54
4.08
33
α-Terpinolene
1083
1088
A
8.47
1.75
3.92
0.38
34
1,3,8-p-Menthatriene
1122
1111
B
8.73
4.26
4.55
3.24
35
Allo-ocimene
1131
1132
B
33.93 Aa
12.64 Ba
16.81 Ab
8.62 Aa
36
Neo-allo-ocimene
1143
1144
B
48.37
15.45
29.03
12.79
37
Bornylene
1379
—
C
1.94 Ba
3.31 Aa
nd
0.28Ab
Terpene aldehyde
38
β-Cyclocitral
1218
1219
B
10.75
tr
tr
tr
Terpene ketone
39
Dihydro-β-ionone
1442
1436
B
tr
nd
TR
nd
40
β-Ionone
1487
1485
A
1.025
tr
TR
tr
Alcohol
41
Hexan-1-ol
875
870
A
387.97
240.26
30.55
tr
42
2-Heptanol
903
—
C
nd
nd
TR
tr
Acids
43
Acetic acid
711
—
C
nd
nd
tr
tr
Ketone
44
6,10-Dimethyl-2-undecanone
1403
—
C
2.18
nd
tr
nd
Aromatic compound
45
m-Cymene
1088
1091
B
tr
tr
tr
tr
IUPAC name for methyl trans-crotonate; IUPAC name for ethyl (E)-crotonate; nd: nondetected; tr: unquantifiable traces; different capital letters indicate difference at 95% significance between fibers within the same genotype by ANOVA followed by LSD test; different lower case letters indicate difference at 95% significance between genotypes for the same fiber by ANOVA followed by LSD test; Kovats index value (KI) calculated for the HP-5 MS (5% phenyl-methylpolysiloxane) column; Kovats index value (KI) using literature data (Adams, 2001; Pherobase, 2012). The reliability of the identification proposal is indicated by the following: A: mass spectrum, retention time, and Kovats index agreed with standards; B: mass spectrum agreed with Wiley data and Kovats index agreed with literature data (Adams, 2001; Pherobase, 2012); C: mass spectrum agreed with Wiley virtual library of mass spectral (Kovats index not found in the searched literature).
