Powdered Eleuthero
» Powdered Eleuthero is Eleuthero reduced to a powder or very fine powder. It contains not less than 0.08 percent of the sum of eleutheroside B and eleutheroside E, calculated on the dried basis.
Packaging and storage— Preserve in well-closed, light-resistant containers.
Labeling— The label states the Latin binomial and, following the official name, the part of the plant from which the article was derived.
Botanic characteristics— The powder is brown with a faint aromatic odor and a slightly acrid, persistent taste. Groups of secretory canals with brown contents are surrounded by parenchymatous cells containing cluster crystals of calcium oxalate. The parenchymatous cells show small starch granules, thick-walled lignified fibers, and fragments of reticulate and pitted vessels. It turns bright yellow when mounted in sodium hydroxide solution.
Other requirements— It meets the requirements of the tests for Identification, Loss on drying, Total ash, Pesticide residues, and Content of eleutherosides B and E under Eleuthero.
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 1003
Pharmacopeial Forum: Volume No. 26(6) Page 1598