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Cūrṇa
Contents
General Descripition
The term cūrṇa may be applied to the powder prepared by a single drug or a combination of more drugs. It is the fine sieved powder of well-dried drug(s) is called Cūrṇa
Method of preparation
Raja and Kṣoda are the synonyms for cūrṇa. cūrṇas may be of plant origin, or mixed with other ingredients. The following points are to be noted. If metals / minerals are used, prepare bhasma or sindura of the minerals unless otherwise mentioned. In cases where pārada and gandhaka are mentioned, prepare Kajjalī and add other drugs, one by one, according to the formula. In general the aromatic drugs like Hiṇgū [Asafoetida] etc. should be fried before they are converted to fine powders.[1]
Characteristics
- Drugs according to the formulation composition of the particular cūrṇa are collected, dried, powdered individually and passed through sieve number 85 to prepare a fine powder. They are mixed in the specified proportion and stored in well closed container.
Preservation
- Cūrṇas should be stored in air tight containers. Polyethylene and foil packing also provides damp proof protection. Special precaution for storage should be taken in cases of formulations with salts, sugars and Kṣāra - Lavaṇa. [2]
