A study on heavy metal content in black scented rice in India Dr Ashish Mukherjee*, Dr Manvi Sharma, Smt Savita Latkar & Smt Priya Maurya

Authors

  • Ashish Mukherjee Central Agmark Laboratory, North Ambazari Road, Nagpur-440010, Maharashtra, India
  • Manvi Sharma Central Agmark Laboratory, North Ambazari Road, Nagpur-440010, Maharashtra, India
  • Savita Latkar Central Agmark Laboratory, North Ambazari Road, Nagpur-440010, Maharashtra, India
  • Priya Maurya Central Agmark Laboratory, North Ambazari Road, Nagpur-440010, Maharashtra, India

DOI:

https://doi.org/10.61096/ijpar.v8.iss1.2019.131-137

Keywords:

Black scented Rice; North eastern states; heavy metal; Atomic absorption spectrometry; Lead (Pb), Copper (Cu).

Abstract

Black Scented rice is a range of rice types of the species oryza sativa L. It is also known as purple rice, some of which are glutinous rice. Varieties include Indonesian black rice and Thai jasmine black rice. Black rice is known as chak-hao in Manipur which is an Indian state on the eastern border with Myanmar, where desserts made from black rice are served at major feasts. Black rice is a source of iron, vitamin E, and antioxidants (more than in blueberries). The bran hull (outermost layer) of black rice contains one of the highest levels of anthocyanins found in food, which helps in fighting against heart disease, cancer and associated diseases. The grain has similar amount of fiber to brown rice and, like brown rice, has a mild, nutty taste. It  has a deep black color and when cooked, it usually turns purple. Its dark purple color is primarily a product of its anthocyanin content, which is higher by weight than that of other colored grains. It is very useful when making porridge, dessert, traditional Chinese black rice cake, bread, and noodles. Black scented rice also known as Chakhao Amubi is a type of glutinous rice. It is indigenous to northeastern regions of India. It is also called Gold rice as the rice can be exported to countries where there is high demand of sticky rice and fetch foreign exchange. Exposure of heavy metals to human beings has risen dramatically in the last 50 years. Humans are more likely to be exposed to heavy metal contamination from the dust that adheres to edible plants than from bioaccumulation.  There are no reports regarding the level of heavy metal content in Black scented Rice. The objectives of this study was to determine the concentrations of lead (Pb) and copper (Cu) in Black scented rice collected from Gauwahti and Shillong North east part of India and also to assess whether the black scented rice  were safe for human consumption. Out of 84 samples of black scented rice analysed, Lead (Pb) content ranges from 0.012 ppm to 0.419 ppm. As per FSSAI, the maximum permissible limit in “food not specified category “is 2 ppm (max.). It clearly indicates that all the samples were found to contain Lead (Pb) within the permissible limit as specified by FSSAI. Out of 84 samples of Black scented rice samples analysed, 79 samples were found to contain low level of Copper (Cu) content ranges from 0.022 ppm to 1.826 ppm. The Copper (Cu) content was “Not detected” in 5 samples of Black scented Rice. As per FSSAI, the maximum permissible limit in “foods not specified category” for Copper (Cu) is 30 ppm. It clearly indicates that all the samples were found to contain Copper (Cu) within the permissible limit as specified by FSSAI.The Black scented rice samples are safe for human consumption. The concentration of Lead (Pb) and Copper (Cu) in all the black scented rice samples collected from Northeastern regions of India is within the safe limits as prescribed by FSSAI.

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Published

2022-09-01

How to Cite

Ashish Mukherjee, Manvi Sharma, Savita Latkar, & Priya Maurya. (2022). A study on heavy metal content in black scented rice in India Dr Ashish Mukherjee*, Dr Manvi Sharma, Smt Savita Latkar & Smt Priya Maurya. IJPAR JOURNAL, 8(1), 131–137. https://doi.org/10.61096/ijpar.v8.iss1.2019.131-137