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Copper, manganese, iron and zinc contents of Nigerian foods and estimates of adult dietary intakes

Authors: SHOKUNBI Olutayo

Publication Type: Journal article

Journal: Journal Of Food Composition And Analysis

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Abstract

The levels of some microminerals – copper, manganese, iron and zinc – were determined in 605 individual food
samples representing 141 different foods across 11 food groups. The samples were collected ‘as consumed’ from
ten towns and cities located in Ogun State and Federal Capital Territory, Abuja, Nigeria. They were analysed
using flame atomic absorption spectrometry after dry ashing procedure. The levels (mg/100g fresh weight) of
these minerals ranged from non-detectable (nd) to 3.00, nd to 3.85, 0.042 to 16.5 and 0.014 to 13.2 for copper,
manganese, iron and zinc, respectively in the diverse foods. At the food group level, the mean mineral levels
were significantly different (P < 0> these foodstuffs are similar to those available in reports from other countries around the world. Using the mainly
data obtained from the foods analysed, estimate of the adult mean daily mineral intakes (mg/person/day) were
2.7 ± 1.0, 3.7 ± 1.7, 22.3 ± 7.8 and 8.7 ± 3.4 for copper, manganese, iron and zinc, respectively. These
mean intakes are within international recommendations and thus indicate safety of consumers. The data obtained
from this study is useful in updating the Nigerian food composition database.

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SHOKUNBI,O. . (2019). Copper, manganese, iron and zinc contents of Nigerian foods and estimates of adult dietary intakes, 82 (), 1-1.

SHOKUNBI,O. . "Copper, manganese, iron and zinc contents of Nigerian foods and estimates of adult dietary intakes" 82, no (), (2019): 1-1.

SHOKUNBI,O. and . (2019). Copper, manganese, iron and zinc contents of Nigerian foods and estimates of adult dietary intakes, 82 (), pp1-1.

SHOKUNBIO, . Copper, manganese, iron and zinc contents of Nigerian foods and estimates of adult dietary intakes. 2019, 82 ():1-1.

SHOKUNBI,Olutayo , . "Copper, manganese, iron and zinc contents of Nigerian foods and estimates of adult dietary intakes", 82 . (2019) : 1-1.

S.Olutayo , "Copper, manganese, iron and zinc contents of Nigerian foods and estimates of adult dietary intakes" vol.82, no., pp. 1-1, 2019.

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