Ephedra seeds found in an ancient burial pit may be the earliest evidence yet for the medicinal use of plants.

The ephedra alkaloid content of each product is presented in Tables 2 and 3. Of the 20 products, 19 contained (-)-ephedrine; however, the quantity varied greatly, with product C containing the ...

Ephedra is a genus of shrubs native to arid regions that produces alkaloids like ephedrine and pseudoephedrine, substances utilized in traditional medicine across many cultures. Archaeological ...

The content of ephedra alkaloids in herbal dietary supplements containing ephedra (ma huang) was studied. The ephedra alkaloid content of 20 ephedra-containing supplements was determined by high ...

The boom is the result of a discovery by drug traffickers that a plant commonly found growing wild in parts of Afghanistan, ephedra, can be used to create the key component of meth: ephedrine.