Table 3. VOCs in different cuts of donkey meat (normalized intensity)

Compound	LD	GM	BF	p-value
Nonanal	154.64±30.68a	148.52±10.15a	232.53±10.46b	0.0251
Octanal	69.40±16.69	68.01±5.68	80.67±3.34	0.6520
Heptanal	108.08±36.91	122.36±17.58	105.13±11.14	0.8696
Hexanal	775.48±104.78	864.76±145.49	663.00±129.99	0.5568
Hexanal-D	504.32±127.32	881.95±463.99	381.92±185.85	0.4929
Methyl isobutyl ketone	315.75±47.97	258.69±25.60	315.36±21.53	0.4239
3-Hydroxybutan-2-one	1,065.91±220.35	1,261.39±52.77	795.90±120.14	0.1376
2-Pentanone	797.18±44.74b	701.25±49.32ab	638.23±47.19a	0.0409
2-Pentanone-D	521.08±69.50b	383.89±43.27ab	298.71±50.84a	0.0198
2-Hexanone	162.34±13.40	156.25±4.34	166.40±7.79	0.7464
3-Hydroxybutan-2-one-D	830.77±355.95	1,026.25±182.02	390.05±121.68	0.2162
Benzaldehyde	132.62±23.99b	146.36±16.87b	49.80±3.73a	0.0063
2-Heptanone	115.02±3.69b	117.40±7.62b	93.07±6.94a	0.0441
Pentan-1-ol	97.89±17.49	117.51±52.93	97.23±20.06	0.8940
Oct-1-en-3-ol	45.30±5.65	65.12±18.43	57.51±9.22	0.5418
3-Pentanol	76.89±17.79	69.48±21.95	69.48±21.95	0.9392
2-Octanol	47.28±9.00	40.71±9.25	42.72±13.71	0.9173
Pentanal	12.58±2.46	12.18±2.07	11.12±2.23	0.8949
3-Methylbutanal-D	24.17±8.42	14.89±2.67	9.14±0.87	0.1677
3-Methylbutanal	124.74±27.8b	103.52±11.76b	59.32±7.54a	0.0299
Pentan-1-ol-D	7.51±0.74	7.31±0.44	8.27±0.92	0.6714
Heptanal-D	14.52±3.39	12.92±1.20	12.17±1.07	0.7439
Methyl isobutyl ketone-D	28.48±2.93	24.14±1.75	28.05±2.98	0.4661
2-Methyl-1-propanol	44.11±13.72	52.55±17.58	55.07±15.68	0.8770
Ethyl acetate	65.64±10.22b	41.62±3.80a	53.76±3.21ab	0.0293
2-Butanone	733.00±37.87b	698.21±41.03b	528.22±15.42a	0.0041
2-Butanone-D	295.93±33.00b	255.15±36.86b	116.12±7.16a	0.0042
Isopropyl alcohol	335.95±16.35b	245.77±10.89a	316.49±11.91b	0.0023
Acetone	901.73±67.15	954.87±106.56	1,250.26±273.66	0.3547
Isopropyl alcohol-D	111.20±40.94	42.79±5.86	51.99±13.42	0.1681
1-Butanol	48.01±4.38	50.05±3.89	40.83±3.97	0.2943

Values are different letters indicate significant differences in the same line (p<0.05).
VOCs, volatile organic compounds; LD, longissimus dorsi; GM, gluteus maximus; BF, biceps femoris.