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

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

Sample Scientific
   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 400a, c 500c 3.3 3.5 3.5b
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. 2.3a n.s.
  1. For potatoes the values are for non-peeled samples. Results are given as a mean of two parallel dissolutions.
  2. a Mean value of four parallel dissolutions.
  3. b Values with Relative Standard Deviation (RSD) between 10-20%
  4. c Values with Relative Standard Deviation (RSD) between 20-30%
  5. *The sample was rejected because of unacceptable variation.
  6. n.s. = No sample collected.