Heavy Metal Analysis from Traditionally used Herb Ceropegia juncea (Roxb.)
Journal Title: IOSR Journal of Pharmacy (IOSRPHR) - Year 2014, Vol 4, Issue 12
Abstract
Natural products had been indispensably used by many cultures and traditions from thousands of years. Plants synthesis enormous varieties of substances called secondary metabolities (Phytocompounds) and accumulated in it. The potential bioactive phytocompounds like alkaloids, flavanoids, and phenoliccompounds, steroids and coumarins etc are potential source for drug discovery. There has been considerable increase in the usage of herbal products and drugs from medicinal plants in recent years. Because of this, it is essential that the quality of plant-based drugs must be assured safe prior to their use. A study was conducted to analyse the presence of traces of essential and non essential heavy metals in the selected medicinal plant. AAS is used to investigate the presence of heavy metals in the selected medicinal plant collected from hill ranges of Palakad district, Kerala, India. (Western ghats). Results obtained in the present study showed that the medicinal herb analysed contain heavy metals chromium, copper, zinc, manganese and nickel that are considered essential elements and lead, cadmium and mercury which are nonessential. The concentration (ppm) of heavy metals in the plant extracts was found to be as follows: chromium (0.036 µg/g), manganese (0.017µg/g), copper (1.637 µg/g), zinc (0.247 µg/g), cadmium (0.053 µg/g), mercury (0.0) and lead (0.002µg/g), arsenic (0.60 µg/g). From the comparison of the results with the defined permissible limits, it was concluded that the levels of heavy metals present in the herb fall in the permissible limits for consumed medicinal herbs.
Authors and Affiliations
Sudha Karayil , Bhavani & Vivek. Ch
Keywords
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