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—
Under a microscope,the following characteristics are observed:vessels (80×30µm)with slanted end walls and spiral or pitted secondary walls;rectangular cork cells (150×60µm)with brown inclusions;rectangular parenchymatous cells (120×30µm),some pitted;elongated fiber cells having a narrow lumen with funnel-shaped end (20to 40µm wide);polygonal sclereids;a melanogenic layer of variable thickness,interspersed between the cell walls of the parenchyma;and lignified sclereids,vessels,and fibers.Starch is present;calcium oxalate and inulin crystals are absent.
Other requirements—
It meets the requirements of the tests for
Identification,
Loss on drying,
Total ash,
Acid-insoluble ash,
Pesticide residues,
Heavy metals,
Content of total phenols,and
Content of alkamidesunder
Echinacea purpurea Root.