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Studies on Paradoxial Nature of Indian Herb: Azadirachta Indica

Jaya Jain

Investigations have been made on paradoxical nature of A. indica.. The toxic effects of plant extract were studied on the life cycle, growth and mortality of beetle, Tribolium confusum in stored rice grains. The survival rate of beetle is significantly reduced in the grain treated with the extract of leaves of A. indica.. On the other hand, trace metals in plants also have medicinal, physiological use and nutritional value. The plant extract was analyzed for certain trace metals viz. copper, zinc, manganese and iron. Concentrations of these metals in plant extract were found to be as zinc (64 μg/g), iron (158 μg/g), copper (49 μg/g) and manganese (18 μg/g).