Powdered Rauwolfia Serpentina
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
Powdered Rauwola Serpentina is Rauwola Serpentina reduced to a ne or a very fine powder, and adjusted, if necessary, to conform to the requirements for reserpine-rescinnamine group alkaloids by admixture with lactose or starch or with a powdered rauwolfia serpentina containing a higher or lower content of these alkaloids. It contains not less than 0.15 percent and not more than 0.20 percent of reserpine rescinnamine group alkaloids, calculated as reserpine.
Packaging and storage—Preserve in well-closed containers, and store at controlled room temperature, in a dry place, secure against insect attack (see Preservation under Vegetable and Animal Drugs, and the General Notices).
USP Reference standards 〈11〉—
USP Rauwolfia Serpentina RS
USP Reserpine RS
Identication—It conforms to the requirements for Ground Rauwola Serpentina root under Botanic characteristics and meets the requirements of the test for Chemical identification under Rauwola Serpentina.
Microbial enumeration tests 〈61〉 and Tests for specified microorganisms 〈62〉—It meets the requirements of the test for absence of Salmonella species.
Acid-insoluble ash 〈561〉: not more than 2.0%.
Assay—Proceed with Powdered Rauwola Serpentina as directed in the Assay under Rauwola Serpentina.
