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Archives 2017
Myanmar Health Sciences Research Journal
Volume 29, Number 1
TITLE: Accumulative Study of Heavy Metals in Soils, Water and Uptake by Rhizome of Two Cissus Species from Various Sites
AUTHOR: Khin Phyu Phyu, Khaing Khaing Mar, Kyi San, Khin Lay Sein, Thandar Myint Thaw, Mya Mar Lar, Lei Lei Win, Kyae Mhon Htwe & Aung Thura
SOURCE: Myanmar Health Sciences Research Journal, Vol. 29, No. 1, 2017
ABSTRACT: The determination of heavy metals in soil, plant and water samples are very important in monitoring environmental pollution. The ability of the plant to absorb heavy metals can cause human health or ecological become worst. The ecological differences have direct or indirect contact to the medicinal plants and they may be regarded as an index of trace metal concentration in the surroundings. The aim of this study was to determine physico-chemical parameters and concentration of heavy metals in soil, water and rhizome of two Cissus species from various sites and to make awareness among the public regarding its safer use and collection areas, containing high level of heavy metals and their adverse health effects. The atomic absorption spectrophotometer was employed for content of heavy metals of rhizome of Cissus repens Lam. (တပင်တိုင်မြနန်းအနီ) and Cissus discolor Blume. (တပင်တိုင်မြနန်းအဖြူ) from Myitkyina, Mogok, Aungban, Pyin Oo Lwin and especially in Shan State. The factors affecting metal accumulation by plant species including metal concentrations, pH, electrical conductivity, and nutrient status in different sites were measured. All rhizomes contained high amount of Ca and Fe than permissible limit set by Ajasa, 2004 (44-614 µg/g) and WHO, 2008 in edible plants (20 mg/kg). Whereas, rhizome of Cissus repens Lam. from Myitkyeena contained Mn (364.73±73 ppm), Ni (1.51±0.07 ppm) and Moegoke contained Mn (228.35±4.76 ppm), Ni (2.16±0.08 ppm) which were above the permissible limit. Most selected rhizomes, all soils and water, from four samples locations contained metals and elements which are within permissible limit. This study revealed that free from toxic contaminant (Cd, Cr and Pb) in soil, water and rhizomes from four different sites were detected. Monitoring of heavy metal distribution data in soil, water and plant samples are very useful for becoming main references or guidelines in order to monitor and avoid environmental pollution become worst in terms of quality of soil and safe level for medicinal plant to be consumed.
SUBJECT HEADINGS: Heay metals, Rhizome of Cissus species from various sties
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