Powdered Asian Ginseng
» Powdered Asian Ginseng is Asian Ginseng reduced to a fine or very fine powder. It contains not less than 0.2 percent of ginsenoside Rg1 and not less than 0.1 percent of ginsenoside Rb1, both calculated on the dried basis.
Packaging and storage— Preserve in well-closed containers, and store in a cool, dry place.
Labeling— The label states the Latin binomial and, following the official name, the part of the plant source from which the article was derived.
Botanic characteristics: pale yellowish-brown powder with a slightly aromatic odor. When examined under a microscope, the powder shows the following: traces of cork composed of thin-walled polygonal cells but mainly with phelloderm on the outside; wide cortex of parenchymatous cells with numerous secretory canals arranged in concentric zones; parenchymatous xylem with nonlignified tracheids and slightly lignified vessels with spiral and reticulate thickening, isolated or in small groups; small granules of starch 0.5 to 1.0 µm in diameter in all the parenchymatous cells; and occasional cluster crystals of calcium oxalate in the cells of the central region.
Other requirements— It meets the requirements of the tests for Identification, Microbial enumeration, Loss on drying, Foreign organic matter, Total ash, Acid-insoluble ash, Alcohol-soluble extractives, Pesticide residues, Heavy metals, and Content of ginsenosides Rb1 and Rg1 under Asian Ginseng.
Auxiliary Information— Please check for your question in the FAQs before contacting USP.
Topic/Question Contact Expert Committee
Monograph Maged H. Sharaf, Ph.D.
Senior Scientist
(DSB05) Dietary Supplements - Botanicals
Reference Standards Lili Wang, Technical Services Scientist
USP32–NF27 Page 1026
Pharmacopeial Forum: Volume No. 30(2) Page 570
Chromatographic Column—
Chromatographic columns text is not derived from, and not part of, USP 32 or NF 27.