ISSN : 0975-9492


Open Access

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Title : Spectroscopic Study of Elements in Various Therapeutic Plants and Soil
Authors : Ali Rehman, Hameed Ur Rehman, Waqas Ahmad, Abdul Wahab, Hamid Iqbal, Ahmad, Lubna Khattak, Ijaz Ahmad
Keywords : Therapeutic plants, Soil, Elements, Atomic Absorption Spectrophotometer
Issue Date : November 2014
Abstract :
Objective: The study was designed with the aim to find out the concentrations of essential and non essential heavy metals such as Nickel, Copper, Iron, Zinc, Chromium, Cadmium and Lead in selected therapeutic plant samples and soil. Methods: Plant samples like Malva parviflora, Polygonum aviculare, Anagallis arvensis, Solanum nigrum, Coronopus didymus, Aerva tomentosa, Alternanthera pungens and Cenchrus ciliaris were collected from District Karak, Khyber Pakhtunkhwa, Pakistan. Dry method was adapted to digest the plant material and then heavy metals were investigated by using Flame Atomic Absorption Spectrophotometer.
Results: Results showed that highest concentration of zinc was found in Polygonum aviculare 80.13 mg/kg followed by Anagallis arvensis 66.14 mg/kg. Similarly maximum amount of iron was recorded in Anagallis arvensis, 75.35 mg/kg followed by Cenchrus ciliaris 53.10 mg/kg. The copper concentration was found beyond the permissible limit in all therapeutic plants.
Conclusion: The metals content in soil was higher as compared to the plant samples. The concentration of metals in each plant was also significantly different which may be due to the metals uptake rate of plants from the soil or metabolism of the plant.
Page(s) : 842-845
ISSN : 0975-9492
Source : Vol. 5, No.11