Scientific validation of the different purification steps involved in the preparation of an Indian Ayurvedic medicine, Lauha bhasma

Journal of Ethnopharmacology
Balaji KrishnamacharyRajan K Sekar

Abstract

Lauha bhasma (iron ash) is one of the iron-based herbo-metallic preparations used in Ayurvedic medicine for treating various ailments due to iron deficiency. The preparation of Lauha bhasma (iron ash) requires normal purification (heat treatment in vegetable and animal products), special purification (treatment with herbal constituents) and calcination steps aimed at converting the raw material to a suitable therapeutic form. In this study, we have systematically and scientifically evaluated through a series of qualitative tests and modern analytical tools the importance of the treating media. Our data demonstrates that these steps are necessary to remove the grease and scales in the raw material. While heating, microcracks appeared on the surface of the iron, which improved the reactivity with the herbal constituents in addition to incorporating nanostructured features. Further, the use of plant products facilitated the removal of Fe³⁺ present in the raw material by forming soluble complexes. The Fe²⁺ present in the raw materials also forms an insoluble complex with the herbal constituents in the presence of UV radiation. In conclusion, our data summarily suggest that the purification steps involved in the preparation of Lauha...Continue Reading

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Citations

May 5, 2016·Ancient Science of Life·Namrata JoshiG D Khilnani
Aug 25, 2015·Environmental Science and Pollution Research International·Tambur PavaniY T Prabhu
Nov 13, 2013·Journal of Ethnopharmacology·Surya NagarajanSwaminathan Sethuraman
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Sep 17, 2016·Journal of Ethnopharmacology·Pulok K MukherjeeC K Katiyar
Aug 8, 2020·Heliyon·Apsara WijenayakeCharmalie Abayasekara

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