Iron and zinc content of selected foods in the diet of schoolchildren in Kumi district, east of Uganda: a cross-sectional study

Table 6 Iron and zinc content (mg/kg wet weight) in starchy roots collected in respective counties

Sample	Scientific name		Iron (mg/kg)			Zinc (mg/kg)
		Kumi	Ngora	Bukedea	Kumi	Ngora	Bukedea
Cassava dry	Manihot esculenta Crantz	n.s.	n.s.	50	n.s.	n.s.	7
Irish potato	Solanum tuberosum L	140	400^{a, c}	500^c	3.3	3.5	3.5^b
Sweet potato, Betty	Ipomoea batatas (L.) Lam	*	42	56	3	1.6	1.7
Sweet potato Kampala	Ipomoea batatas (L.) Lam	n.s.	43	n.s.	n.s.	2.3^a	n.s.

For potatoes the values are for non-peeled samples. Results are given as a mean of two parallel dissolutions.
^a Mean value of four parallel dissolutions.
^b Values with Relative Standard Deviation (RSD) between 10-20%
^c Values with Relative Standard Deviation (RSD) between 20-30%
*The sample was rejected because of unacceptable variation.
n.s. = No sample collected.

ISSN: 1475-2891