Table 5. Folate contents in various processed foods (dry basis)

Category	Samples	Water (g/100 g)	Fat (g/100 g)	Food folate (wet basis, μg/100 g)	Folic acid (μg/100 g)	Processing factor1) (Food folate)
Ready-to-serve	Tenderloin, frozen, fried-A	57.90	8.12	20.89±0.252)	ND3)	1.00
	Tenderloin, frozen, fried, air fryer-A	47.80	9.65	25.76±0.42	ND	1.23
	Tenderloin, frozen, fried-B	55.82	9.62	12.54±0.29	ND	1.00
	Tenderloin, frozen, fried, air fryer-B	43.52	12.74	11.73±0.82	ND	0.94
	Tenderloin, frozen, fried-C	61.61	10.36	29.29±0.36	ND	1.00
	Tenderloin, frozen, fried, air fryer-C	52.72	13.00	30.02±0.36	ND	1.02
	Dongtaejeon, frozen	65.67	10.44	72.91±0.38	ND	1.00
	Dongtaejeon, frozen, cooked	63.61	10.95	62.47±0.07	ND	0.86
	Fried squid, frozen	61.48	6.01	14.10±0.33	ND	1.00
	Fried squid, frozen, fried	59.24	7.62	11.51±0.10	ND	0.82
	Fried squid, frozen, air fryer	53.87	9.96	14.15±0.29	ND	1.00
	Shrimp cutlet, frozen	42.15	12.79	31.27±0.09	ND	1.00
	Shrimp cutlet, frozen, fried	55.50	8.30	29.49±0.12	ND	0.94
	Shrimp cutlet, frozen, air fryer	58.18	7.52	33.81±0.44	ND	1.08
	Fish cutlet, frozen	56.43	7.81	44.67±0.25	ND	1.00
	Fish cutlet, frozen, fry	42.23	13.27	31.83±0.33	ND	0.71
	Fish cutlet, frozen, air fryer	48.16	8.79	36.60±0.14	ND	0.82
	Green bean pancake, frozen	62.83	6.41	89.47±4.26	ND	1.00
	Green bean pancake, frozen, baked	52.86	12.75	71.21±1.99	ND	0.80
	Onion ring, frozen	53.92	8.80	28.80±0.43	ND	1.00
	Onion ring, fried	67.32	6.39	19.17±0.58	ND	0.67
	Spam	51.08	14.74	7.73±0.29	ND	1.00
	Spam, roast, pan	49.55	8.06	6.45±0.45	ND	0.83
	Spam, roast, air fryer	54.28	24.92	4.63±0.28	ND	0.60
	Meat dumpling	44.54	29.89	101.97±3.22	79.58±5.26	1.00
	Meat dumpling, steamed	47.09	28.59	86.82±0.30	80.12±3.89	0.85
Ready-to-eat	Soy sauce, brisket	42.28	17.18	22.14±0.05	ND	-
	Baked, brisket	58.98	4.93	32.38±0.65	ND	-
	Fried, brisket	52.17	6.72	22.89±0.72	ND	-
	Soy sauce, wings	35.99	16.57	19.36±0.04	ND	-
	Baked, wings	52.09	12.95	27.52±0.43	ND	-
	Fried, wings	39.73	16.35	27.51±0.19	ND	-
	Soy sauce, legs	50.14	16.20	24.18±1.04	ND	-
	Baked, legs	59.52	7.77	30.96±1.52	ND	-
	Fried, legs	49.89	15.60	30.01±1.01	ND	-
	Soy sauce, whole body	42.65	18.74	21.52±0.18	ND	-
	Baked, whole body	54.33	9.33	26.22±0.29	ND	-
	Fried, whole body	50.71	17.33	29.26±1.14	ND	-
	Brisket, steak	66.99	3.69	78.73±2.85	ND	-
	Brisket, canned	73.36	1.27	20.10±1.11	ND	-
	Brisket, smoked	71.54	1.68	67.97±2.48	ND	-

Processing factor represents folate content after cooking, with raw samples set to 1.
All values are mean±SD (n=3).
ND, not detected.