The content and accumulation of arsenic and heavy metals in medicinal plants near Mamut River contaminated by copper-mining in Sabah, Malaysia

Mohamed Fadlalla Ali, Yook Heng Lee, R Wickneswari V Ratnam, Jamili Nais, Remi Ripin

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A study on the effects of copper-mining waste discharge on several tropical medicinal plants was carried out. The levels of arsenic and some heavy metals (Cd, Cu, Pb, Zn, Cr, Ni, Fe, Mn and Co) were determined in soil samples and the medicinal herb species Curculigo latifolia, Selaginella plana, and Clidemia hirta found along the Mamut riverbank that received effluent and runoff from a copper-mine upstream. The metal concentrations were compared to those of soils and same plant species collected from a nearby river (Kipungit River), which was not affected by the mine discharge. Soil samples from Mamut riverbank showed significantly higher levels of extractable Cd, Co, Cr, Cu, Fe, Ni, Pb, and Zn than those from Kipungit riverbank (P<0.05). Because of the contaminated soil near Mamut River, C. latifolia from there demonstrated higher metal levels of Cd, Co, Cu, Fe, Ni, and Zn, when compared to the same plant species from Kipungit river-bank (P<0.05). However, no obvious contamination by As and metals was observed for the herb species Selaginella plana, and Clidemia hirta. Cd was the only metal that was accumulated by all medicinal plants studied with enrichment coefficients between 1.1-4.0. However, it was not possible to establish whether the elevated levels of metals found in C. latifolia were the results of metal bioaccumulation from the Mamut soils.

Original languageEnglish
Pages (from-to)1316-1321
Number of pages6
JournalFresenius Environmental Bulletin
Volume15
Issue number10
Publication statusPublished - 2006

Fingerprint

Copper mines
medicinal plant
Arsenic
Heavy Metals
Heavy metals
arsenic
Rivers
Metals
heavy metal
copper
metal
Soils
river
Temazepam
herb
soil
Banks (bodies of water)
Bioaccumulation
river bank
Runoff

Keywords

  • Accumulation
  • Enrichment coefficient
  • Medicinal plants
  • Metal pollution
  • Soil contamination

ASJC Scopus subject areas

  • Environmental Science(all)
  • Environmental Chemistry

Cite this

The content and accumulation of arsenic and heavy metals in medicinal plants near Mamut River contaminated by copper-mining in Sabah, Malaysia. / Ali, Mohamed Fadlalla; Lee, Yook Heng; V Ratnam, R Wickneswari; Nais, Jamili; Ripin, Remi.

In: Fresenius Environmental Bulletin, Vol. 15, No. 10, 2006, p. 1316-1321.

Research output: Contribution to journalArticle

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