Table 3. Effect of Gochujang marinade, doneness, and interaction on inhibition of 16 PAHs in charcoal-grilled pork belly on day 10

PAHs (μg/kg)	Doneness	Treatment		SEM	Significance
PAHs (μg/kg)	Doneness	PBW	PBG	SEM	T	D	T×D
Naphthalene	MC	189.78^Aa	61.90^Bb	4.611	****	**	****
	WC	130.70^Ba	87.95^Ab	5.133
	SEM	5.156	4.585
Acenaphthylene	MC	536.16^Aa	191.23^Bb	11.049	****	**	***
	WC	523.94^Aa	285.67^Ab	9.870
	SEM	9.016	11.757
Acenaphthene	MC	15.97^Aa	4.16^Bb	0.426	****	***	***
	WC	15.74^Aa	9.19^Ab	0.310
	SEM	0.205	0.486
Fluorene	MC	109.46^Ba	42.58^Bb	3.643	****	****	ns
	WC	147.72^Aa	88.45^Ab	2.525
	SEM	3.465	2.764
Phenanthrene	MC	555.98^Ba	227.88^Bb	13.132	****	****	ns
	WC	782.97^Aa	425.57^Ab	14.611
	SEM	13.751	14.031
Anthracene	MC	82.37^Ba	21.51^Bb	1.487	****	****	***
	WC	138.47^Aa	53.75^Ab	2.976
	SEM	2.993	1.454
Fluoranthene	MC	246.78^Ba	89.47^Bb	5.717	****	****	***
	WC	424.89^Aa	181.96^Ab	10.186
	SEM	10.343	5.427
Pyrene	MC	283.32^Ba	104.54^Bb	6.754	****	****	***
	WC	524.26^Aa	217.93^Ab	12.998
	SEM	13.311	6.114
Benzo[a]anthracene	MC	45.94^Ba	16.96^Bb	1.191	****	****	****
	WC	106.04^Aa	38.33^Ab	2.817
	SEM	2.870	1.056
Chrysene	MC	ND	ND	-	-	-	-
Chrysene	WC	ND	ND	-
Benzo[b]fluoranthene	MC	30.65^Ba	12.31^Bb	0.918	****	****	****
	WC	70.61^Aa	26.17^Ab	2.154
	SEM	2.198	0.809
Benzo[k]fluoranthene	MC	20.92^Ba	8.18^Bb	0.768	****	****	****
	WC	46.05^Aa	17.70^Ab	1.108
	SEM	1.197	0.621
Benzo[a]pyrene	MC	58.37^Ba	20.49^Bd	1.853	****	****	****
	WC	134.75^Aa	43.39^Ad	3.714
	SEM	3.923	1.356
Indeno[1,2,3-cd]pyrene	MC	34.88^Ba	14.68^Bb	1.133	****	****	***
	WC	78.25^Aa	28.35^Ab	2.733
	SEM	2.794	0.973
Dibenzo[a,h]anthracene	MC	ND	ND	-	-	-	-
Dibenzo[a,h]anthracene	WC	ND	ND	-
Benzo[ghi]perylene	MC	44.41^Ba	17.18^Bb	1.601	****	****	****
	WC	101.50^Aa	35.75^Ab	3.375
	SEM	3.537	1.202
Total 16 PAHs	MC	2,254.98^Ba	833.07^Bb	48.191	****	****	ns
	WC	3,225.90^Aa	1,540.15^Ab	70.014
	SEM	67.566	51.566
4 PAHs	MC	134.96^Ba	49.76^Bb	3.927	****	****	****
	WC	311.41^Aa	107.89^Ab	8.657
	SEM	8.948	3.211

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.