Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania
A research paper submitted to International Journal of Biological and Chemical Sciences / Vol. 4 No. 6 (2010)
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| Lingua: | inglese |
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African Journals Online (AJOL)
2024
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| Accesso online: | https://scholar.mzumbe.ac.tz/handle/123456789/689 |
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| author | Kihampa, C Mwegoha, William J. S. |
| author_facet | Kihampa, C Mwegoha, William J. S. |
| author_sort | Kihampa, C |
| collection | DSpace |
| description | A research paper submitted to International Journal of Biological and Chemical Sciences / Vol. 4 No. 6 (2010) |
| format | Article |
| id | oai:41.59.85.69:123456789-689 |
| institution | Mzumbe University |
| language | English |
| publishDate | 2024 |
| publisher | African Journals Online (AJOL) |
| record_format | dspace |
| spelling | oai:41.59.85.69:123456789-6892024-05-30T18:47:59Z Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania Kihampa, C Mwegoha, William J. S. heavy metals industries Msimbazi river farming vegetables A research paper submitted to International Journal of Biological and Chemical Sciences / Vol. 4 No. 6 (2010) Concentrations of cadmium, copper, chromium and lead was determined in four different edible vegetables namely Amaranthus blitum, A. gangeticus, Ipomea batata and Cucurbita maxima grown at four different sites along the contaminated Msimbazi River, Dar es Salaam, Tanzania. Analyses of these heavy metals were conducted using Atomic Absorption Spectrophotometry. Results obtained indicate that the concentrations of heavy metals range from below detection limit to 0.53, 0.14 to 29.08, 0.76 to 17.69, and below detection limit to 39.69 mg/100 g for cadmium, chromium, copper and lead, respectively. With exception to Ipomea batata, other vegetables contained at least two types of heavy metals with high concentrations beyond the permissible values recommended by FAO and WHO for human consumption. Concentrations of cadmium were within the acceptable limits for human consumption in all the vegetables investigated. This work, thus, seeks to provide information on levels of toxic heavy metals in leaves of edible vegetables irrigated with water contaminated by industrial and other anthropogenic effluents, and grown in contaminated soils along the Msimbazi River. The information can be used for monitoring processes to prevent excessive build-up in the food chain. Private 2024-04-18T05:20:17Z 2024-04-18T05:20:17Z 2010 Article 1991-8631 10.4314/ijbcs.v4i6.64947 https://scholar.mzumbe.ac.tz/handle/123456789/689 en application/pdf African Journals Online (AJOL) |
| spellingShingle | heavy metals industries Msimbazi river farming vegetables Kihampa, C Mwegoha, William J. S. Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania |
| title | Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania |
| title_full | Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania |
| title_fullStr | Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania |
| title_full_unstemmed | Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania |
| title_short | Heavy metals accumulation in vegetables grown along the Msimbazi River in Dar es Salaam, Tanzania |
| title_sort | heavy metals accumulation in vegetables grown along the msimbazi river in dar es salaam tanzania |
| topic | heavy metals industries Msimbazi river farming vegetables |
| url | https://scholar.mzumbe.ac.tz/handle/123456789/689 |
| work_keys_str_mv | AT kihampac heavymetalsaccumulationinvegetablesgrownalongthemsimbaziriverindaressalaamtanzania AT mwegohawilliamjs heavymetalsaccumulationinvegetablesgrownalongthemsimbaziriverindaressalaamtanzania |