Analysis of heavy metal contents in some commercial turmeric samples available at Dhaka, Bangladesh

Nowadays, the use of spices and other herbs have extensively increased due to their medicinal values all over world. However, monitoring heavy metal contamination in has also been recent years. A study conducted determine concentration eight metals such as Lead (Pb), Cadmium (Cd), Chromium (Cr), Arsenic (As), Zinc (Zn), Iron (Fe), Copper (Cu) Manganese (Mn) mainly three different types turmeric samples (Curcuma longa). The analyzed were (i) Unpacked bulk powder available at local markets Dhaka (ii) Packed marketed by branded companies, (iii) Raw directly collected from farmlands. using Atomic Absorption Spectroscopy (AAS). most found within limit recommended WHO (6.0000 ppm) except lead (12.3469 unpacked-3 sample. This showed present a lower amount packed power compared unpacked samples. result this analysis would be helpful for public awareness consumption spices. concerned authorities who are responsible regulating food chain market our country may get great message about spices.
 Jahangirnagar University J. Biol. Sci. 9(1 & 2): 13-20, 2020 (June December)