Evaluation of Seasonal Variations of Lead Concentration and Proximate Composition of Amaranthus hybridus Grown and Consumed in Ilorin, Kwara State, NorthernNigeria
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Date
2024-07-02
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J. Appl. Sci. Environ. Manage
Abstract
This paper evaluates the seasonal variations in Pb concentrations and proximate composition of
Amaranthus vegetable (Amaranthus hybridus) grown and consumed in Ilorin, Kwara State, Northern-Nigeria using
appropriate standard techniques in order to ascertain its suitability for consumption. The results obtained varied with
the sampling locations with the mean concentration of the Pb in soil, water and plant ranged from (1.58- 82.00mg/kg)
soil, (0.11-19.37mg/l) water and (0.00-5.93 mg/kg shoots; 0.67-5.33 mg/kg roots). The values for proximate content
showed that moisture content ranged from (6.38-9.99 %), ash content (2.46-6.44 %), crude protein (10.59-18.60%),
crude fibre (1.63-2.39%), crude fat (3.09-4.83%) and carbohydrate (64.30-75.30%). The result obtained reveal
significant level of contamination of irrigation water and Amaranthus hybridusas most values obtained were above
the permissible limits, hence, the vegetable may constitute health hazard for the consumers. The study hence suggests
that growing of the edible crops around locations that are Pb polluted should be discouraged. As for the proximate
content, the values obtained are indication that all the samples had lower values of protein, fibre, and carbohydrates
than the WHO recommended values for suitable dietary intake, though, with a high probability of storage due to
their significant low moisture content. This underscores the nutritive value as a viable option for plant base nutrients
for consumption, but as option for Pb remediation.
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*BEN-UWABOR, PO; 2OLAHAN, GS; 3 IYAPO, KA (2024). Evaluation of Seasonal Variations of Lead Concentration and Proximate Composition of Amaranthus hybridus Grown and Consumed in Ilorin, Kwara State, NorthernNigeria. J. Appl. Sci. Environ. Manage. Vol. 28 (7) 2149-2156