Availability of essential trace elements in medicinal herbs used for diabetes mellitus and their possible correlations |
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Authors: | R P Choudhury R Acharya A G C Nair A V R Reddy A N Garg |
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Institution: | (1) Department of Chemistry, Indian Institute of Technology, Roorkee, 247667, India;(2) Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India |
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Abstract: | Four plant parts (leaves, roots, fruits and seeds) of twenty samples of sixteen antidiabetic herbs including three commercially
marketed capsules have been analyzed for 6 minor (Na, K, Ca, Cl, Mg, and P) and 21 trace (As, Ba, Br, Ce, Co, Cr, Cs, Cu,
Eu, Fe, Hg, La, Mn, Rb, Sb, Sc, Se, Sm, Th, V and Zn) elements by instrumental neutron activation analysis (INAA). Further,
Ni, Cd and Pb contents were determined by AAS. Elemental data were validated by simultaneously analyzing reference material
(RM), MPH-2 Mixed Polish Herbs. Several elements such as Cr and V (1–2 μg/g), Rb (10–40 μg/g), Cs (80–300 ng/g), Se (∼100
ng/g) and Zn (25–60 μg/g) play an important role in diabetes mellitus. Interelemental linear correlations have been observed
for Cu vs. Zn (r = 0.89) and Rb vs. Cs (r = 0.87). K/P ratio varies in a narrow range with a mean value of 6.2 ± 1.4. Toxic elements As and Hg were found in <1 μg/g
whereas Cd and Pb were in ∼5 μg/g and <10 μg/g, respectively. |
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