Packaging and storage—
Preserve in tight containers,protected from light and excessive heat.
Labeling—
The label states the Latin binomial and,following the official name,the parts of the plant contained in the article.
Botanic characteristics—
[NOTE—The test is carried out under a microscope using chloral hydrate solution.]The powder is yellowish to brownish gray,and shows several fragments of net and pitted vessels with a strongly varying diameter,usually between 50and 150µm.Few,if any,pitted bast fibers are present.Clearly pitted wood fibers,about 200to 800µm in length,and thin-walled parenchyma cells,sometimes containing compounded calcium oxalate crystals and occasionally with single crystals and fragments of cork consisting of flat-shaped,thin-walled cells,are also present.
Other requirements—
It meets the requirements of the tests for
Identification,Microbial enumeration,Foreign organic matter,Total ash,Pesticide residues,Content of total amino acids,Content of b-sitosterol,and
Content of scopoletinunder
Stinging Nettle.