Determination of the Iodine Content of Some Commonly Consumed Foods in Zaria Metropolis, Nigeria, Using PCNAA and Sandell-Kolthoff Reaction

Table 2

Iodine content of some commonly consumed local foods.

S/N	SAMPLE		PCNAA		Percentage deviation	S-K method
	Code	Food items	Iodine (mg/Kg)	Iodine in food (µg)		Iodine (mg/Kg)	Iodine in food (µg)
1	L 1-1	Fried beans cake and pap	0.30 ± 0.05	62.06	10.51	0.26 ± 0.02	55.54
2	L 1-2	Rice and beans meat, stew	1.89 ± 0.08	118.41	36.83	1.19 ± 0.03	74.80
3	L 1-3	Tuwo Masara, dry okra sauce	9.60 ± 0.16	2056.23	18.01	7.94 ± 0.29	1685.98
4	L 2-1	Fried sweet potato and gruel	0.75 ± 0.06	157.07	15.01	0.63 ± 0.11	133.49
5	L 2-2	Rice, spaghetti, and vegetables	1.34 ± 0.08	307.64	6.35	1.25 ± 0.06	288.11
6	L 2-3	Tuwo Masara, vegetable soup	BDL	0.00		BDL	BDL
7	L 3-1	Moi-Moi	0.81 ± 0.10	125.75	3.85	0.78 ± 0.02	120.92
8	L 3-2	Jellop rice and beans	1.16 ± 0.08	261.82	3.78	1.12 ± 0.02	251.92
9	L 3-3	Tuwo Masara, dry okra sauce	0.78 ± 0.06	171.40	36.16	1.09 ± 0.02	233.38
10	M 1-1	Potato chips, eggs, liver sauce	1.36 ± 0.07	341.66	15.11	1.16 ± 0.03	290.03
11	M 1-2	Fried rice, pea, carrot, cabbage	1.61 ± 0.08	270.26	3.78	1.55 ± 0.02	260.04
12	M 1-3	Pounded yam, vegetables soup	1.40 ± 0.07	463.20	11.76	1.22 ± 0.02	408.73
13	M 2-1	Waina da Taushe	1.29 ± 0.07	332.48	4.41	1.24 ± 0.02	317.83
14	M 2-2	White rice,vegetables salad	0.89 ± 0.09	168.39	5.38	0.94 ± 0.03	177.44
15	M 2-3	Tuwo Shinkafa, Egusi soup	1.13 ± 0.22	155.57	2.58	1.16 ± 0.02	159.57
16	M 3-1	Potato chips, eggs, beef sauce	0.55 ± 0.07	141.17	18.84	0.45 ± 0.03	114.58
17	M 3-2	Fried rice, pea, onion, beef	1.31 ± 0.06	167.12	2.44	1.28 ± 0.01	163.05
18	M 3-3	Tuwo Shinkafa, Egusi soup	2.96 ± 0.09	425.26	7.94	2.73 ± 0.15	391.50
19	H 1-1	French fries, eggs, liver sauce	1.18 ± 0.07	191.96	2.89	1.14 ± 0.09	186.41
20	H 1-2	Savory rice, vegetables, chicken	0.42 ± 0.04	110.63	34.53	0.27 ± 0.02	72.42
21	H 1-3	Semovita, vegetables soup	2.09 ± 0.08	561.88	7.89	1.93 ± 0.04	517.52
22	H 2-2	Fried rice and salad, chicken	2.44 ± 0.08	453.13	0.04	2.44 ± 0.03	452.95
23	H 2-3	Pounded yam, vegetables soup	1.27 ± 0.04	372.79	1.41	1.26 ± 0.02	367.52