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.

USP Reference standards 11—
USP Chlorogenic Acid RS.
USP Powdered Echinacea pallida Extract RS.

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.

Topic/Question	Contact	Expert Committee
Monograph	Maged H. Sharaf, Ph.D. Senior Scientist 1-301-816-8318	(DSB05) Dietary Supplements - Botanicals
Reference Standards	Lili Wang, Technical Services Scientist 1-301-816-8129 RSTech@usp.org

USP32–NF27 Page 997