Extraction Technologies For Medicinal And Aromatic Plants - Unido

6 AQUEOUS ALCOHOLIC EXTRACTION OF MEDICINAL AND AROMATIC PLANTS BY FERMENTATION
Chakradutta (9 th century AD) 90 dosage forms
Sarngadhara (14 th century AD) 75 dosage forms
Bhaishajya Ratnavali (18 th century AD) 98 dosage forms
The evolutionary phases of dosage forms followed by Ayurveda
starting from crude plant material are mentioned in the following paragraphs.
6.2.1 Swarasa (Fresh Juice)
The evolution of liquid orals started from the administration of
freshly obtained juices of plant material. To obtain fresh juices, green herbs
are crushed and the juice is expressed by squeezing the crushed material.
The product is referred to as swarasa.
6.2.2 Kalka (Wet Bolus)
In this method, the crushed fresh plant material is administered
as such, without expressing the juices.
6.2.3 Kwatha (Decoction)
One part of coarsely powdered herb is boiled with 16 times its
weight of water in an earthen pot over a mild fi re until the liquid is reduced to
one-fourth or one-eighth of the original quantity, depending upon the nature
of the plant material.
6.2.4 Hima (Cold Infusion)
The plant material is dried and coarsely powdered. As and when
required, the powder is soaked in plain water for a defi ned period. Then it is
fi ltered, the marc is squeezed, and the combined fi ltrate is used.
6.2.5 Phanta (Hot Infusion)
As a further advancement of hima, the phanta method was
adopted. This method uses boiled water for obtaining a hot infusion.
6.2.6 Solids
Anjana, Churna, Mansa potli, Utkarika, Kshara, Gutika, Guda,
Dhumravarti, Puplika, Prithuka, Mandura, Modaka, Rasakriya, Vati, Varti,
Shashkuli, Saktu, Bhasmas, Rasaushadhis.
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