[Presence of lead in leaves of Solanum macrocarpon cultivated in Cotonou (Benin): role of poorly composted poultry manure].

Abstract:

:This work assesses the impact of the use of chicken manure and irrigation water on the toxicological quality of Solanum macrocarpon, a highly appreciated vegetable. A control site in Glo-Djigbé, gardeners' sites at Houéyiho, Fidjrossè, and Agongbomey were included in the study. Lead has been sought in the environment of S. macrocarpon culture by Atomic Absorption Spectrophotometry (AAS). Regarding the content of lead in the droppings, the averages in mg/kg varied between 0.696 and 3.618. The soil of Houéyiho (46.320±0.651mg/kg) was more contaminated with lead than that of the other sites. The irrigation water used in the study sites was slightly contaminated with lead with values ranging between 0.038 and 0.017mg/L. Leaves taken from the control site, Glo-Djigbé were contaminated with lead with a value of 0.936±0.070mg/kg compared to those of Agongbomey, Houéyiho and Fidjrossè. The leaves of S. macrocarpon were contaminated with lead at significantly values higher than those imposed by the FAO (0.1mg/kg). Consumption without precautions could expose people to diseases related to the accumulation of this metal.

journal_name

C R Biol

journal_title

Comptes rendus biologies

authors

Dougnon V,Edorh P,Bankolé H,Dougnon J,Klotoé JR,Loko F,Creppy EE,Boko M

doi

10.1016/j.crvi.2013.04.006

subject

Has Abstract

pub_date

2013-05-01 00:00:00

pages

261-4

issue

5-6

eissn

1631-0691

issn

1768-3238

pii

S1631-0691(13)00081-4

journal_volume

336

pub_type

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