Description
Subject:- Herbal Drug Technology
Semester:- Sem :- 6
Course:- Pharmacy, Bachelor of pharmacy
Course Code: BP603T
Course Title: Herbal Drug Technology
Content
Arista and Asava
• Difference between arista and asava
• Method of preparation of arista and asava
• Characteristics of arista and asava
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Arista and Asava
At the end of this lecture, student will be able to
• Differentiate arista and asava
• Explain the method of preparation of arista and asava
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Ayurvedic dosage forms
On the basis of physical form Ayurvedic dosage form are classified in
to four groups
1. Solid dosage form : Gutika, vatika
2. Liquid dosage form : Asava, Arista, Taila, panak, arka
3.Semi solid dosage form : Avleha, paka, Lepa, ghrita
4.Powder dosage form : Bhasma, satva, pisti, lavana, churna
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Arista and Asava
Arista and Asava – Medicinal preparations prepared by soaking the
drugs either in the powder/decoction (kasaya) form in a solution of
sugar or jaggery for a specific period of time, during which
fermentation generating alcohol, thus facilitating the extraction of
active principles present in the drug, it also serves as a preservative
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Arista
➢ Arista : It is prepared by fermenting decoction of drugs along with
sugar or jaggery
General composition:
Ingredient Examples
Medicinal drugs Herbal – Juice, decoction of
various parts of the plant
Animals – Ghee, honey
Minerals – Iron, gold
Liquids Water, gomutra, butter milk
Sweet substance Jaggery (guda), sugar, madhuk
pushpa
Prakshepaka Dravyas Dhataki puspha
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Arista
Method of Preparation:
➢ Kashaya is prepared from the coarsely powdered drugs as per the
formula
➢ Obtained kashaya is strained and placed in fermentation
vessel/pot
➢ Weighed quantity of sugar/jaggery according to the formula is
dissolved in water, boiled and added
➢ Prakshepaka dravyas are added, if mentioned in the formula
➢ Contents are stirred with a wooden rod, which encourages the
growth of yeast and play an imp role in fermentation
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Ayurveda
➢ Mouth of the vessel covered with an earthen lid
➢ Edges are sealed with clay smeared cloth wounded in seven layers
➢ Closed vessel is kept in a special room in an underground cellar or
heap of paddy (To ensure constant temperature)
➢ Variation in temperature may accelerate or impede fermentation
➢ After specified period of time the contents are examined to ensure
the fermentation is complete
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Arista
At Onset of At completion of
fermentation fermentation
Prakshepaka dravyas float Sink
Effervescence No effervescence
Hissing sound No sound
Extinguishing of burning candle Continuation of burning
Lime water turns milky No change
➢ Fluid is decanted and strained after 2-3 days, when fine
particles settled at the bottom
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Asava
➢ Asava : It is prepared by fermenting fine powder of drugs along
with sugar or jaggery
General composition:
Ingredient Examples
Medicinal drugs Powdered drugs of herbal,
animal or minerals
Liquids Water, gomutra, butter milk
Sweet substance Jaggery (guda), sugar, madhuk
pushpa
Prakshepaka Dravyas Dhataki puspha
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Asava
Method of Preparation:
➢ Weighed quantity of sugar/jaggery according to the formula is
dissolved in water, boiled and added to fermentation pot
➢ Weighed quantity of drug/s as per the formula in fine powder
form are added
➢ Prakshepaka dravyas are added, if mentioned in the formula
➢ Contents are stirred with a wooden rod, which encourages the
growth of yeast and play an imp role in fermentation
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Asava
➢ Mouth of the vessel covered with an earthen lid
➢ Edges are sealed with clay smeared cloth wounded in seven layers
➢ Closed vessel is kept in a special room in an underground cellar or
heap of paddy (To ensure constant temperature)
➢ Variation in temperature may accelerate or impede fermentation
➢ After specified period of time the contents are examined to ensure
the fermentation is complete
Asava
At Onset of At completion of
fermentation fermentation
Prakshepaka dravyas float Sink
Effervescence No effervescence
Hissing sound No sound
Extinguishing of burning candle Continuation of burning
Lime water turns milky No change
➢ Fluid is decanted and strained after 2-3 days, when fine
particles settled at the bottom
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Arista and Asava
Characters:
➢ Filtered preparations should be clear without froth at the top
➢ Should not be sour
➢ Posses characteristic aromatic alcohol odour
Storage: Should be stored in well stoppered bottles or jars
Examples:
Kanakasava : Chronic respiratory disorders
Madhukasava – Kshaya
Abhayarista – To relieve stress
Asokarista - Yoniruja www.remixeducation.in
Summary
➢ Fermented preparations soaked in sugar/jaggery
➢ Generates alcohol during fermentation
➢ Arista is a decoction of the drugs soaked in sugar/jaggery
➢ Asava is a fine powder of the drugs soaked in sugar/jaggery
➢ Fermentation pot covered with clay smeared cloth
➢ Constant temperature
➢ Confirmation of fermentation
➢ Decant and strained
➢ Storage – Well stoppered bottles/jars
Thank You
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