Table 3. Volatile compounds in apple juices of Fuji apples by treatment of anti-browning agents during the storage period (unit: ng/mL)

Temperature (°C)	Anti-browning agents	Day	Ethyl acetate	Hexanal	α-Terpinene	1-Butanol-3-methyl	Acetoin	1-Hexanol	(Z)-Hex-3-en-1-ol	α-Terpineol
4	1% CuM1)	0	450.0±45.95	15.1±10.52	ND4)	1,429.7±33.90	ND	2,433.7±111.41	6.7±0.53	3.5±0.00
		2	576.3±14.44	372.5±10.35	ND	1,284.0±28.42	ND	1,368.4±89.00	6.1±0.02	3.5±0.03
		4	489.2±4.78	508.1±74.43	ND	979.7±27.49	ND	856.2±20.89	7.1±0.46	3.5±0.01
		6	425.3±9.31	483.1±5.50	ND	1,280.7±25.91	ND	1,213.1±24.46	8.1±0.51	3.5±0.02
		8	567.2±19.02	933.7±8.21	ND	1,247.4±32.92	ND	1,043.0±3.09	6.0±0.16	3.6±0.01
	1% CA2)	0	97.0±0.00	ND	ND	2,008.4±160.59	ND	946.2±271.91	4.0±0.53	3.4±0.02
		2	86.0±7.07	261.0±5.66	ND	1,244.9±2.62	ND	634.8±12.12	3.8±0.04	3.4±0.01
		4	93.5±0.71	311.5±20.51	ND	1,281.9±9.72	ND	896.7±12.16	4.4±0.03	3.4±0.01
		6	169.5±6.36	498.5±27.58	ND	1,095.1±58.94	ND	636.2±14.99	4.4±0.06	3.4±0.01
		8	102.0±5.66	371.0±1.41	ND	1,503.9±62.14	ND	536.9±2.16	4.7±0.11	3.4±0.02
	1% AA3)	0	152.0±5.66	394.0±14.14	ND	2,189.0±27.74	ND	663.0±1.58	3.5±0.03	3.4±0.03
		2	85.0±1.41	519.0±8.49	ND	1,973.8±11.65	ND	544.3±20.86	4.8±0.32	3.5±0.02
		4	119.5±4.95	471.5±16.26	ND	1,173.2±12.52	ND	390.5±9.32	4.3±0.07	3.5±0.01
		6	157.0±2.83	557.5±19.09	ND	2,242.3±3.50	ND	503.7±9.93	4.8±0.16	3.4±0.01
		8	110.5±0.71	520.0±16.97	ND	1,904.4±25.26	ND	501.7±3.96	4.9±0.28	3.5±0.03
20	1% CuM	0	ND	12.8±5.87	ND	4,095.5±409.41	ND	2,690.9±284.83	15.5±1.21	3.5±0.04
		1	ND	6.5±1.00	ND	6,115.9±306.30	ND	2,465.2±268.17	13.7±0.11	3.6±0.04
		2	ND	6.6±2.58	ND	4,270.5±167.20	ND	1,911.9±114.44	12.1±0.44	3.6±0.04
		3	520.8±139.83	18.8±7.22	ND	2,619.9±74.40	ND	2,370.5±47.93	15.4±0.71	3.6±0.01
		4	491.8±0.62	3.0±0.34	ND	1,267.8±4.20	ND	2,582.5±23.50	8.0±0.29	3.5±0.00
	1% CA	0	68.0±4.24	6.5±0.71	ND	2,589.6±288.96	189,546.3±20,333.39	1,639.5±82.47	7.3±0.07	3.4±0.01
		1	94.0±18.38	8.0±0.00	ND	2,353.9±0.34	95,175.6±26,681.16	1,593.8±83.75	7.8±0.05	3.4±0.02
		2	111.5±0.71	5.0±1.41	ND	2,619.1±66.08	168,769.8±2,357.91	1,641.8±4.55	9.9±0.91	3.4±0.00
		3	183.5±7.78	12.0±8.49	ND	2,083.7±9.47	183,936.8±5,515.26	1,929.8±73.12	11.0±1.20	3.4±0.03
		4	120.0±0.00	48.0±0.00	ND	2,136.7±23.11	179,603.3±6,947.41	1,321.6±96.89	8.3±0.16	3.4±0.02
	1% AA	0	250.5±4.95	54.0±15.56	ND	2,552.0±98.60	6,512.4±1,842.56	1,692.9±87.20	5.2±0.40	3.4±0.01
		1	124.0±0.00	46.0±39.60	ND	2,090.3±78.29	6,509.2±1,016.24	1,718.1±34.55	6.2±0.17	3.5±0.02
		2	115.0±2.83	255.5±13.44	ND	1,121.7±29.46	334.7±5.49	842.6±12.43	4.9±0.32	3.5±0.02
		3	172.5±4.95	438.0±21.21	ND	2,313.0±105.11	ND	957.7±59.49	4.7±0.12	3.4±0.00
		4	114.5±0.71	376.5±19.09	ND	1,803.3±0.67	ND	757.4±4.61	4.1±0.01	3.4±0.00

Citrus unshiu Markovich.
Calcium ascorbate.
Ascorbic acid.
Not detected.