Powdered Echinacea pallida
» Powdered Echinacea pallida is Echinacea pallida reduced to a powder or very fine powder.
Packaging and storage— Preserve in tight, 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— Powdered Echinacea pallida is a brown powder with a faint aromatic odor and a slightly acrid, persistent taste. It turns bright yellow when mounted in sodium hydroxide solution. Under a microscope, the following characteristics are observed: groups of secretory canals with brown contents, surrounded by parenchymatous cells containing cluster crystals of calcium oxalate; and parenchymatous cells with small starch granules, thick-walled lignified fibers, and fragments of reticulate and pitted vessels.
Other requirements— It meets the requirements of the tests for Identification, Loss on drying, Total ash, Acid-insoluble ash, Volatile oil content, Pesticide residues, Heavy metals, and Content of total phenols under Echinacea pallida.
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 997
Pharmacopeial Forum: Volume No. 26(6) Page 1588