Filipendula ulmaria In 1897, Felix Hoffmann created a synthetically altered version of salicin, derived from the species, which caused less digestive upset than pure salicylic acid. The new drug, formally acetylsalicylic acid, was named aspirin by Hoffmann's employer Bayer AG after the old botanical name for meadowsweet, "Spiraea ulmaria". This gave rise to the class of drugs known as non-steroidal anti-inflammatory drugs (NSAIDs). A natural black dye can be obtained from the roots by using a copper mordant. A tea made from "Filipendula ulmaria" flowers or leaves has been used in traditional Austrian herbal medicine for the treatment of rheumatism, gout, infections,
Gallic acid cyclic ether-esters (depsidones). Gallic acid is commonly used in the pharmaceutical industry as a standard for determining the phenol content of various analytes by the Folin-Ciocalteau assay; results are reported in gallic acid equivalents. Gallic acid can also be used as a starting material in the synthesis of the psychedelic alkaloid mescaline. The name is derived from oak galls, which were historically used to prepare tannic acid. Despite the name, gallic acid does not contain gallium. Salts and esters of gallic acid are termed "gallates". Gallic acid is an important component of iron gall ink, the standard European writing and