» 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.
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USP32NF27 Page 1003Pharmacopeial Forum: Volume No. 26(6) Page 1598