Abstract:The study was carried out to evaluate the level of some mineral in Costus afer leaf and stem as it is been used in recently use in ethnomedicine for the treatment of diseases and also consume as vegetable by humans. The composition were evaluated using a standard method of AOAC, 2006. The result revealed a significant amount of heavy metals in the leaf in the order of calcium (74.52 ± 0.01 mg/g) > magnesium (31.71 ± 0.02 mg/g) >sodium (22.33 ± 0.02 mg/g) >manganese (7.31 ± 0.01 mg/g) >phosphorus (9.03 ± 0.02 m… Show more
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