Distribution and Health Risk Assessment on Dietary Exposure of Polycyclic Aromatic Hydrocarbons in Vegetables in Nanjing, China

Table 1

Concentrations of PAHs expressed in ng g⁻¹ in vegetables.

PAHs	Leafy vegetable			Melon and fruit vegetable			Rhizome vegetable
	Chinese cabbage	Green vegetables	Cauliflower	Cucumber	Tomato	Eggplant	Rhizoma dioscoreae	Potato	Lotus root
NAP	25.5 ± 7.44	8.43 ± 1.43	2.69 ± 0.59	3.01 ± 0.37	16.4 ± 8.59	10.1 ± 4.47	2.20 ± 0.65	3.59 ± 2.25	3.63 ± 1.25
ACE	7.17 ± 0.51	4.87 ± 0.61	6.15 ± 0.75	5.13 ± 1.10	5.83 ± 0.59	5.39 ± 2.05	5.20 ± 1.11	5.17 ± 1.10	5.14 ± 0.96
ACY	6.54 ± 0.67	4.51 ± 0.51	5.39 ± 0.41	4.98 ± 1.06	7.46 ± 1.64	5.30 ± 0.28	5.04 ± 0.70	5.12 ± 2.26	5.23 ± 0.41
FLO	13.6 ± 0.83	6.39 ± 0.50	9.09 ± 0.45	6.07 ± 1.20	8.53 ± 2.04	7.93 ± 0.73	6.26 ± 0.25	6.22 ± 0.60	6.09 ± 0.31
PHE	24.2 ± 0.42	8.27 ± 0.63	17.5 ± 0.78	8.31 ± 0.60	13.1 ± 4.25	12.3 ± 2.44	9.16 ± 2.08	9.86 ± 2.52	9.67 ± 1.42
ANT	7.09 ± 0.19	6.17 ± 0.03	8.18 ± 1.25	6.22 ± 0.01	6.24 ± 0.01	6.47 ± 1.06	6.32 ± 0.98	6.36 ± 0.16	6.34 ± 0.10
FLA	43.9 ± 7.86	10.4 ± 3.11	31.6 ± 0.64	7.59 ± 0.97	10.4 ± 3.83	8.27 ± 1.16	9.74 ± 1.70	8.69 ± 1.67	10.30 ± 2.99
PYR	162 ± 29.0	17.8 ± 17.8	110 ± 1.55	11.9 ± 5.10	22.4 ± 15.6	14.5 ± 2.27	21.8 ± 7.37	16.6 ± 7.45	22.4 ± 13.4
BaA	4.02 ± 3.80	7.24 ± 0.04	0.01 ± 0.01	7.12 ± 0.03	4.34 ± 2.85	0.05 ± 0.04	0.43 ± 0.10	0.02 ± 0.01	3.61 ± 3.61
CHR	0.23 ± 0.03	3.57 ± 3.57	0.05 ± 0.02	0.07 ± 0.02	0.43 ± 0.08	0.13 ± 0.06	0.54 ± 0.16	0.03 ± 0.01	0.42 ± 0.15
BbF	9.73 ± 0.11	8.81 ± 0.39	6.40 ± 0.57	0.06 ± 0.01	9.40 ± 0.21	9.32 ± 0.13	0.32 ± 0.15	0.01 ± 0.00	3.27 ± 3.27
BkF	3.56 ± 3.56	3.40 ± 3.40	ND	0.02 ± 0.01	ND	0.05 ± 0.05	3.40 ± 3.40	4.04 ± 4.04	6.79 ± 0.02
BaP	4.40 ± 0.35	0.03 ± 0.01	0.01 ± 0.01	ND	0.04 ± 0.01	0.02 ± 0.00	2.47 ± 2.47	0.04 ± 0.01	2.46 ± 2.46
IcdP	ND	ND	ND	ND	ND	ND	2.20 ± 2.20	ND	2.34 ± 2.34
DahA	ND	ND	ND	ND	ND	ND	ND	ND	ND
BghiP	ND	ND	ND	ND	ND	ND	4.28 ± 0.19	2.29 ± 2.29	2.29 ± 2.29
∑PAH4	18.4 ± 4.30	19.6 ± 4.01	6.48 ± 0.61	7.25 ± 0.06	14.2 ± 3.14	9.52 ± 0.23	3.76 ± 2.89	0.09 ± 0.03	9.75 ± 9.48
∑PAH16	312 ± 34.4	89.9 ± 17.9	198 ± 2.22	60.5 ± 7.56	105 ± 40.0	79.8 ± 1.63	79.4 ± 11.3	68.0 ± 1.50	90.0 ± 28.0

ND: not detected.