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The Natural Products Journal

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ISSN (Print): 2210-3155
ISSN (Online): 2210-3163

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Research Article

Spectroscopic and Chromatographic Characterization of Crude Natural Shilajit from Himachal Pradesh, India

Author(s): Tanuja Mishra, Debabrata Sircar, Harcharan Singh Dhaliwal and Nasib Singh*

Volume 10, Issue 3, 2020

Page: [244 - 256] Pages: 13

DOI: 10.2174/2210315509666190112111808

Price: $65

Abstract

Background: Shilajit is a natural herbomineral ethnomedicinal substance used in Indian traditional systems of medicine since centuries as a rejuvenator, anti-aging and for several health conditions/ailments. Shilajit composition has exhibited considerable variability from different geographical sites and hence there is a need to determine its composition and concentration of bioactive compounds to correlate it with pharmacological activities.

Objective: To determine the chemical and mineral constitution of Shilajit obtained from Himachal Pradesh, India.

Method: In the present study, Shilajit was chemically characterized by Fourier Transform Infrared (FTIR) spectroscopy, Gas Chromatography-Mass Spectrometry (GC-MS), Inductively-Coupled Plasma Mass Spectrometry (ICP-MS), UV-Vis spectroscopy and High-Performance Liquid Chromatography (HPLC) analysis.

Results: Chemical elucidation of crude Shilajit from three geographical sites revealed the presence of humic acid, fulvic acid, dibenzo-α-pyrones and several other organic constituents in crude Shilajit. The presence of metals/trace elements was evident in Shilajit samples with potassium being predominant followed by magnesium, calcium, sodium, iron and aluminium.

Conclusion: Characterization of Shilajit from Himachal Pradesh supported the structural details of Shilajit already known and also revealed variations in key chemical parameters which might be due to geographical variations and ecological conditions which determine its natural synthesis.

Keywords: Shilajit, humic acid, fulvic acid, elemental analysis, inductively-coupled plasma mass spectrometry, fourier transform infrared spectroscopy, high performance liquid chromatography.

Graphical Abstract

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