Table 2. Effect of Gochujang marinade, doneness, and interaction on inhibition of 16 PAHs in charcoal-grilled pork belly on day 5

PAHs (μg/kg)	Doneness	Treatment		SEM	Significance
PAHs (μg/kg)	Doneness	PBW	PBG	SEM	T	D	T×D
Naphthalene	MC	155.17^Aa	47.02^Ab	1.293	****	ns	ns
	WC	145.40^Aa	49.87^Ab	1.656
	SEM	10.397	0.771
Acenaphthylene	MC	407.10^Ba	287.93^Ab	7.074	****	*	**
	WC	453.24^Aa	278.56^Ab	6.032
	SEM	7.951	4.817
Acenaphthene	MC	17.49^Aa	11.53^Ab	0.248	****	***	**
	WC	14.61^Ba	10.87^Ab	0.356
	SEM	0.288	0.324
Fluorene	MC	117.11^Ba	83.17^Ab	2.090	****	***	**
	WC	138.63^Aa	85.69^Ab	2.650
	SEM	3.000	1.546
Phenanthrene	MC	498.10^Ba	319.93^Bb	6.542	****	****	****
	WC	751.04^Aa	383.87^Ab	10.997
	SEM	11.609	5.381
Anthracene	MC	80.99^Ba	55.00^Bb	1.302	****	****	****
	WC	118.90^Aa	67.96^Ab	1.514
	SEM	1.589	1.209
Fluoranthene	MC	205.23^Ba	119.91^Bb	2.211	****	****	****
	WC	405.03^Aa	164.56^Ab	6.211
	SEM	5.344	3.861
Pyrene	MC	234.44^Ba	146.87^Bb	2.707	****	****	****
	WC	507.13^Aa	191.03^Ab	5.063
	SEM	4.970	2.874
Benzo[a]anthracene	MC	40.21^Ba	24.55^Bb	0.873	****	****	****
	WC	90.37^Aa	34.50^Ab	1.135
	SEM	1.310	0.579
Chrysene	MC	ND	ND	-	-	-	-
Chrysene	WC	ND	ND	-
Benzo[b]fluoranthene	MC	26.90^Ba	15.07^Bb	0.480	****	****	****
	WC	62.92^Aa	23.67^Ab	0.761
	SEM	0.788	0.435
Benzo[k]fluoranthene	MC	17.38^Ba	9.35^Bb	0.553	****	****	****
	WC	39.88^Aa	13.16^Ab	0.604
	SEM	0.776	0.261
Benzo[a]pyrene	MC	49.64^Ba	30.62^Bb	1.188	****	****	****
	WC	114.84^Aa	42.39^Ab	1.668
	SEM	1.795	0.986
Indeno[1,2,3-cd]pyrene	MC	30.65^Ba	16.79^Bb	0.509	****	****	****
	WC	72.57^Aa	24.42^Ab	0.628
	SEM	0.612	0.528
Dibenzo[a,h]anthracene	MC	ND	ND	-	-	-	-
Dibenzo[a,h]anthracene	WC	ND	ND	-
Benzo[ghi]perylene	MC	38.98^Ba	21.87^Bb	0.680	****	****	****
	WC	98.60^Aa	32.09^Ab	1.312
	SEM	1.259	0.775
Total 16 PAHs	MC	1,919.37^Ba	1,189.63^Bb	30.488	****	****	****
	WC	3,013.16^Aa	1,402.64^Ab	31.898
	SEM	40.947	16.441
4 PAHs	MC	116.75^Ba	70.24^Bb	2.513	****	****	****
	WC	268.13^Aa	100.56^Ab	3.458
	SEM	3.798	1.963

Means within a column with different superscript differ significantly at p<0.05.
Means within a row with different superscript differ significantly at p<0.05.
p<0.05
p<0.01
p<0.001
p<0.0001.
4 PAHs, benzo[a]anthracene+chrysene+benzo[b]fluoranthene+benzo[a]pyrene.
PAH, polycyclic aromatic hydrocarbon; PBW, pork belly without marinade; PBG, pork belly marinated with Gochujang; T, treatment; D, doneness; T×D, treatment×doneness; MC, moderate cooking; WC, well-done cooking; ND, not detected. ns, not significant.