Research Article

The Preparation and Identification of Characteristic Flavour Compounds of Maillard Reaction Products of Protein Hydrolysate from Grass Carp (Ctenopharyngodon idella) Bone

Table 3

Volatile Compounds identified in GCBPH, TDP, and MRP by DHS GC-MS.

CompoundRtaPercentage of total area (%)
GCBPHTDPMRP

Aldehydes
12-Methyl-propanal6.910.27
2Butanal7.920.14
32-Methyl-butanal8.691.562.121.86
43-Methyl-butanal8.692.682.312.25
5Pentanal10.211.681.440.72
62-Butenal11.810.180.21
7Hexanal12.715.217.846.05
8(E)-2-Pentenal13.130.19
9Heptanal14.960.330.33
102-Hexenal15.81.050.86
11(Z)-2-Heptenal17.772.272.41
122-Methyl-2-heptenal18.270.43
13Nonanal18.820.751.081.06
14(E, E)-2,4-Hexadienal19.080.21
15(E, E)-2,4-Heptadienal19.951.95
163-(Methylthio)-propanal19.840.571.231.08
17Furfural19.890.750.42
18Benzaldehyde20.911.261.711.56
19(E,Z)-2,6-Nonadienal21.640.83
20(E,E)-2,4-Nonadienal23.110.59
214-Ethyl-benzaldehyde23.30.410.480.77
22(E,E)-2,4-Decadienal24.411.85
23α-Ethylidene-benzeneacetaldehyde26.080.42
Subtotal14.8722.4626.04

24Alcohol
25(E)-2-Pentenol13.921.220.10
261-Penten-3-ol14.553.252.892.18
271-Pentanol16.312.703.042.35
281-Hexanol18.052.452.241.95
291-Octen-3-ol19.464.104.433.49
30Heptanol19.592.111.711.52
312-Ethyl-1-hexanol20.060.691.060.78
321-Octanol20.990.88
33(Z)-2-Octen-1-ol21.750.831.290.71
346-Undecanol22.42.45
35Benzyl alcohol25.120.39
Subtotal17.3516.7716.70

Ketone
362-Heptanone15.041.09
373-Octen-2-one19.120.89
382-Ethylidenecyclohexanone19.371.44
393,5-Octadien-2-one21.467.674.881.51
401H-Inden-1-one24.40.73
412-Ethyl-cyclopentanone28.471.561.95
Subtotal10.006.445.29

Hydrocarbon
42Hexamethyl-cyclotrisiloxane7.330.372.721.43
43Octamethyl-cyclotetrasiloxane10.078.647.175.90
44p-Xylene14.050.77
45D-Limonene15.090.46
46Tetradecane18.690.34
471,3-Cyclooctadiene22.65.802.71
48Hexamethyl-cyclotrisiloxane23.420.34
492,6-Dimethyl-2,4,6-octatriene24.531.67
Subtotal15.4812.6010.23

Furans
502-Ethyl-furan9.533.873.342.69
512-Pentyl-furan15.883.432.971.91
52(E)-2-(1-Pentenyl)-furan17.041.76
53cis-2-(2-Pentenyl)furan17.184.203.391.64
542-Methyl-furan20.160.98
55(E)-2-(1-Pentenyl)-furan25.510.651.594.99
Subtotal13.9011.2912.20

Phenol
564-Ethyl-phenol15.530.49
572-Ethyl-phenol15.651.04
584-(1-Methylpropyl)-phenol25.031.54
592,6-Bis(1,1-Dimethylethyl)-4-(1-oxopropyl)phenol25.431.850.34
602,4-Di-tert-butylphenol32.3717.109.741.96
Subtotal20.989.743.34

Esters
61Pentyl ester201.051.11
62Dioctyl phthalate20.992.641.79
63Benzyl benzoate24.893.252.86
64Bis(2-Ethylhexyl)ester27.270.61
65Butylisohexylester29.281.712.29
66Methyl palmitate30.441.520.56
Subtotal7.417.974.01

Pyrazine
67Methyl-pyrazine16.835.334.12
682,6-Dimethyl-pyrazine17.860.93
693-Ethyl- 2,5-Dimethyl-pyrazine19.751.85
702,5-Dimethyl-3-Propyl-pyrazine20.70.87
712-Butyl-3,5-Dimethyl-pyrazine22.532.87
Subtotal5.3310.63

Others
72Butanamide13.523.22
731,3-Diazine15.720.81
742-Chloro-4-(4-Methoxyphenyl)-6-(4-Nitrophenyl)pyrimidine16.564.733.32
754-Methylthiazole22.261.311.87
762-Methylpiperidine28.471.362.35
Subtotal7.4011.56
Total100100100