Journal of Food Biochemistry

Research Article

Low-Pressure Plasma Treatment Increased the Quality and Characteristic Flavor of Lyophilized Lemon Slices

Table 1

GC-IMS integration parameters of volatile organic compounds in the lyophilized lemon slice¹.


No.	Compound	CAS	Molecular formula¹	RI	Rt (sec)	Relative content (%)			Aroma
No.	Compound	CAS	Molecular formula¹	RI	Rt (sec)	G1	G2	G3	Aroma

1	Terpinen-4-ol	C562743	C₁₀H₁₈O	1172.6	902.103	1.13 ± 0.16	2.98 ± 0.14	4.39 ± 0.05	Fresh, woody
2	α-Terpineol	C98555	C₁₀H₁₈O	1197.8	952.53	0.27 ± 0.08	0.49 ± 0.06	0.66 ± 0.05	Fresh, woody
3	Linalool	C78706	C₁₀H₁₈O	1109.3	775.935	0.30 ± 0.04	0.60 ± 0.02	0.79 ± 0.02	Fruity
4	n-Nonanal	C124196	C₉H₁₈O	1107.0	771.332	0.32 ± 0.03	0.67 ± 0.04	0.87 ± 0.01	Grass
5	Limonene	C138863	C₁₀H₁₆	1036.8	631.271	7.18 ± 0.12	7.23 ± 0.16	6.38 ± 0.05	Citrus
6	Limonene	C138863	C₁₀H₁₆	1036.6	630.981	9.91 ± 0.07	10.21 ± 0.19	9.17 ± 0.09
7	Limonene	C138863	C₁₀H₁₆	1037.1	631.849	3.14 ± 0.10	3.83 ± 0.08	3.73 ± 0.02
8	Limonene	C138863	C₁₀H₁₆	1034.9	627.507	3.92 ± 0.12	5.00 ± 0.16	5.13 ± 0.02
9	Limonene	C138863	C₁₀H₁₆	1035.7	629.244	0.32 ± 0.03	0.41 ± 0.16	0.46 ± 0.05
10	α-Terpinene	C99865	C₁₀H₁₆	1023.3	604.515	1.00 ± 0.07	1.28 ± 0.15	1.48 ± 0.03	Lemon, lime
11	Octanal	C124130	C₈H₁₆O	1011.8	581.538	0.84 ± 0.08	1.39 ± 0.13	1.50 ± 0.01	Fruity
12	Octanal	C124130	C₈H₁₆O	1011.2	580.186	0.14 ± 0.03	0.24 ± 0.05	0.26 ± 0.03
13	β-Pinene	C127913	C₁₀H₁₆	975.3	513.807	7.84 ± 0.25	8.00 ± 0.16	7.33 ± 0.06	Turpentine taste
14	β-Pinene	C127913	C₁₀H₁₆	974.8	512.876	2.78 ± 0.02	3.04 ± 0.04	2.88 ± 0.005
15	β-Pinene	C127913	C₁₀H₁₆	975.3	513.807	5.80 ± 0.03	7.03 ± 0.03	7.45 ± 0.009
16	β-Pinene	C127913	C₁₀H₁₆	975.8	514.738	1.07 ± 0.09	1.36 ± 0.07	1.63 ± 0.09
17	α-Pinene	C80568	C₁₀H₁₆	931.2	436.376	2.99 ± 0.06	2.95 ± 0.03	3.10 ± 0.04
18	α-Pinene	C80568	C₁₀H₁₆	930.8	435.749	0.85 ± 0.005	0.87 ± 0.01	0.94 ± 0.005
19	α-Pinene	C80568	C₁₀H₁₆	929.7	433.866	0.47 ± 0.03	0.49 ± 0.02	0.65 ± 0.004
20	α-Pinene	C80568	C₁₀H₁₆	929.7	433.866	0.16 ± 0.01	0.16 ± 0.01	0.21 ± 0.004
21	Heptanal	C111717	C₇H₁₄O	901.5	384.403	0.22 ± 0.01	0.20 ± 0.02	0.19 ± 0.008	Floral, sweet
22	Furfural	C98011	C₅H₄O₂	852.7	324.687	0.42 ± 0.003	0.27 ± 0.01	0.25 ± 0.02	Caramel
23	Hexanal	C66251	C₆H₁₂O	793.5	259.6	0.70 ± 0.02	0.91 ± 0.07	0.38 ± 0.008	Green
24	4-Methyl-2-pentanone	C108101	C₆H₁₂O	733.8	209.514	0.14 ± 0.02	0.09 ± 0.001	0.08 ± 0.001	Green
25	Pentanal	C110623	C₅H₁₀O	699.3	182.2	0.08 ± 0.001	0.18 ± 0.09	0.10 ± 0.004	Almond
26	1-Butanol	C71363	C₄H₁₀O	674.9	167.839	0.10 ± 0.001	0.04 ± 0.001	0.04 ± 0.001	Fruity, sweet
27	2-Methylbutanal	C96173	C₅H₁₀O	666.3	164.181	0.03 ± 0.001	0.03 ± 0.001	0.02 ± 0.001	Musty
28	3-Methylbutanal	C590863	C₅H₁₀O	656.7	160.054	0.12 ± 0.01	0.07 ± 0.001	0.06 ± 0.001	Green
29	Ethyl acetate	C141786	C₄H₈O₂	613.7	141.624	0.22 ± 0.001	0.09 ± 0.001	0.08 ± 0.001	Fruity
30	1-Propanol	C71238	C₃H₈O	579.1	126.807	1.70 ± 0.06	0.81 ± 0.01	0.83 ± 0.006	Fruity, floral
31	1-Propanol	C71238	C₃H₈O	581.5	127.853	1.79 ± 0.07	0.37 ± 0.02	0.44 ± 0.007
32	1-Propanol	C71238	C₃H₈O	577.4	126.11	0.14 ± 0.005	0.01 ± 0.001	0.01 ± 0.001
33	Acetone	C67641	C₃H₆O	542.5	111.119	3.17 ± 0.07	2.93 ± 0.02	2.33 ± 0.03	Fragrance
34	Ethanol	C64175	C₂H₆O	529.4	105.541	0.73 ± 0.06	0.92 ± 0.06	0.76 ± 0.02	Green
35	Ethanol	C64175	C₂H₆O	526.6	104.321	2.83 ± 0.04	2.29 ± 0.02	2.07 ± 0.004

MW represents molecular weight, RI represents reserved index, and Rt represents retention time. ¹different letters represent significant differences, p < 0.05.