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Dr. Abhay Gandhi

SHELF LIFE (SAVIRYATA AVADHI) OF AYURVEDIC DOSAGE FORMS: CLASSICAL LIMITS, RULE 161-B AND THE EVIDENCE FROM STABILITY STUDIES

Background: Classical Ayurvedic texts specify the period for which each dosage form retains its potency (saviryata avadhi), while Indian regulations u...

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Dr. Jalpa Gandhi

BHAVANA (WET TRITURATION) AS MECHANOCHEMISTRY: A REVIEW OF ITS EFFECTS ON PARTICLE SIZE, PHYTOCHEMICAL TRANSFER AND BIOACTIVITY

Background: Bhavana is the repeated wet grinding of a powder with a liquid medium until dryness. It is used in almost every branch of Ayurvedic pharma...

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Tushar Tapadiya

PANCHAVIDHA KASHAYA KALPANA THROUGH THE LENS OF EXTRACTION SCIENCE: SOLVENT, TEMPERATURE AND YIELD

Background: The five basic preparations of Ayurveda, swarasa (expressed juice), kalka (paste), kwatha (decoction), hima (cold infusion) and phanta (ho...

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Dr. Abhay Gandhi

MODERN DOSAGE FORMS FROM CLASSICAL KALPANAS (GRANULES, TABLETS, SYRUPS AND DRIED EXTRACTS): DOES CONVERSION PRESERVE QUALITY AND EFFICACY?

Background: Many classical Ayurvedic preparations, particularly kwatha (decoction) and avaleha (confection), are inconvenient, short-lived or unpalata...

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Dr. Jalpa Gandhi

ANUPANA AS A DRUG VEHICLE: A CRITICAL REVIEW OF THE EVIDENCE FOR BIOENHANCEMENT AND PHARMACOKINETIC MODULATION

Background: Anupana is the substance taken with or after a medicine, such as water, honey, ghee, milk, buttermilk or a herbal juice, to aid its action...

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