Kasis Bhasma: An Analytical and Standardized Approach and use
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| ferrous sulfate |
Kasis Bhasma: An Analytical and Standardized Approach
Introduction
Kasis Bhasma is a significant mineral-based formulation in Ayurveda, classified under the Uparasa category. Chemically, Kasis is ferrous sulfate, which undergoes purification (Shodhan) and incineration (Maran) processes to transform into its bhasma (calcined) form. This traditional preparation is extensively used in Ayurvedic therapeutics for treating anemia (Pandu), skin diseases (Visharpa), and urinary disorders (Ashmari). Given the variations in preparation techniques across classical texts, standardization is crucial to ensure consistency, efficacy, and safety.
Aims and Objectives
The study documented in the provided research aimed to:
Procure Grahya (acceptable) Kasis from the local market and analyze its chemical composition.
Purify Kasis using the Dolayantra method and conduct its chemical analysis.
Prepare Kasis Bhasma using two distinct methods outlined in Ras Tarangini and perform a comparative analytical study.
Materials and Methods
Collection and Shodhan (Purification) of Kasis
The study used Pushpa Kasis, a therapeutically preferred variety, procured from the local market. The purification process involved:
Boiling raw Kasis in Bhringaraj (Eclipta alba) juice for three hours using a Dolayantra setup.
Sun-drying the purified Kasis and recording the weight reduction post-purification.
Chemical analysis of both raw and purified Kasis to understand changes in composition.
Maran (Incineration) to Prepare Kasis Bhasma
The purified Kasis was divided into two equal samples and subjected to two different Maran processes:
Method A: Bhavana (triturating) with Kanji (fermented rice gruel) and Nimbu Swaras (lemon juice) seven times, followed by Laghuputa (mild calcination) until it became sourless.
Method B: Bhavana with Snuhipatra Swaras (latex of Euphorbia nerifolia) and subjected to Laghuputa in a similar manner.
Analytical Study and Observations
To evaluate the transformation of Kasis into its bhasma form, various classical and modern analytical techniques were applied.
Classical Organoleptic Analysis (Bhasma Pariksha)
The prepared Kasis Bhasma samples were assessed using traditional Bhasma Pariksha parameters:
Varna (Color): Brownish-red
Rasa (Taste): Tasteless
Gandha (Odor): Odorless
Rekhapurnata (Fineness test): Passed
Dantagre Kachkachabhava (Softness test on teeth): Passed
Modern Physico-Chemical Analysis
Laboratory analysis included:
pH Measurement: Increased from 4.0 (raw) to 7.0 (bhasma), indicating neutralization.
Loss on Drying (LOD): Reduced significantly from 24.91% (raw) to ~0.6% (bhasma), confirming dehydration.
Iron Composition:
Ferrous Iron: Reduced from 18.87% (raw) to 0.002%-0.02% (bhasma), indicating oxidation.
Ferric Iron: Increased from 0% (raw) to ~41.70%-43.63% (bhasma), confirming transformation.
Sulfur Content (SO4 Assay): Reduced after incineration, confirming the removal of impurities.
Comparative Analysis of Two Methods
| Parameter | Method A (Kanji-Nimbu Bhavana) | Method B (Snuhipatra Bhavana) |
|---|---|---|
| pH | 7.0 | 7.0 |
| Loss on Drying | 0.6% | 0.19% |
| Solubility in Water | 4.91% | 3.12% |
| Ferrous Iron (%) | 0.002% | 0.02% |
| Ferric Iron (%) | 43.63% | 41.70% |
| Sulfur (SO4) Assay (%) | 0.9883% | 0.4835% |
| Weight of Final Bhasma | 120g | 130g |
Discussion and Conclusion
The study established that both methods effectively transformed raw Kasis into its bhasma form, with comparable physico-chemical properties. The oxidation of ferrous iron to ferric iron and the neutralization of acidity were significant transformations observed during the process. Although minor differences were noted in sulfur content and final yield, both methods produced standardized Kasis Bhasma suitable for medicinal use.
Further clinical trials are recommended to assess the therapeutic efficacy of the two methods to determine any pharmacological variations. However, based on this study, either method can be used depending on the availability of Bhavana Dravya (processing liquids) without compromising the quality of the final product
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Kasis Bhasma is an Ayurvedic formulation primarily made from purified ferrous sulfate. Based on the contents of your uploaded PDF, here are the key uses and benefits of Kasis Bhasma:
Uses and Benefits of Kasis Bhasma:
- Treats Iron Deficiency (Anemia) – Kasis Bhasma is rich in iron and helps increase hemoglobin levels, making it beneficial for people with anemia.
- Improves Digestion – It aids in digestion and helps treat conditions like indigestion, bloating, and loss of appetite.
- Liver Disorders – It supports liver function and is used in treating liver enlargement, jaundice, and other hepatic issues.
- Menstrual Disorders – Useful for conditions like irregular menstruation, heavy bleeding (menorrhagia), and dysmenorrhea (painful periods).
- Splenomegaly (Enlarged Spleen) – It is prescribed in Ayurveda to reduce spleen-related disorders.
- Skin Diseases – Its detoxifying properties help in treating skin conditions like acne, pigmentation, and other skin infections.
- Worm Infestations – Kasis Bhasma acts as an anthelmintic, helping in expelling intestinal worms.
- Anti-inflammatory Properties – It is useful in reducing swelling and inflammation in various conditions.
- Improves Appetite and Metabolism – Helps in better digestion and absorption of nutrients.
- Supports Eye Health – Used traditionally to treat eye disorders like conjunctivitis and other infections.
Dosage and Precautions:
- The dosage depends on the condition and should be taken under the guidance of an Ayurvedic doctor.
- It should be consumed with honey, butter, or ghee for better efficacy.
- Overdosage may cause digestive discomfort and acidity.
- Not recommended for people with high blood pressure or chronic gastritis.
Comparative study on Kasisa Bhasma prepared by two different methods - PMC

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