Describe in brief about ” churnas”

Describe in brief about ” churnas”
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Churna: These are powdered mixture prepared by mixing dry mineral, animal or vegetable substance in a pestle and mortar in known as churna. The powdered mixture is then passed through cloth, linen or fine sieve. If jaggery is to be mixed it should be equal and in case of sugar it should be double the quantity of churna. They are generally taken with milk, hot water or cow urine.
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