Packaging and storage— Preserve in well-closed, light-resistant containers, protected from moisture.

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 Formononetin RS.
USP Powdered Red Clover Extract RS.

Botanic characteristics— Brownish red to greenish red; numerous long, sharp-pointed, unicellular, nonglandular hairs with thick, nonlignified walls, the latter somewhat roughened by slight centrifugal projections; smooth, nearly spheroidal pollen grains from 20 to 48 µm in diameter; fragments of epidermis with stomata, the latter from 13 to 23 µm in length; fragments containing sclerenchyma fibers with adherent crystal fibers containing monoclinic prisms of calcium oxalate that are up to 21 µm in length.

Other requirements— It meets the requirements of the tests for Identification, Microbial enumeration, Loss on drying, Total ash, Acid-insoluble ash, Water-soluble extractives, Pesticide residues, Heavy metals, and Content of isoflavones under Red Clover.

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 984

POWDERED RED CLOVER

Chromatographic columns text is not derived from, and not part of, USP 32 or NF 27.