[DOC] [TLE] History of aspirin - Wikipedia [PAR] The history of aspirin and the medical use of it and related substances stretches 
back to ... Lewis and Clark allegedly used willow bark tea in 18031806 as a 
remedy ... Medicines derived from willow trees and other salicylate-rich plants 
have .... before as well, by acetylating salicylic acid to make acetylsalicylic acid (
ASA). [DOC] [TLE] How to Make Aspirin from a Willow Tree  Home Remedies [PAR] Feb 15, 2013 ... The use of the willow tree as a mild pain reliever goes back to the ... Commercial 
aspirin is a chemical called acetylsalicylic acid (say that ... In this article, I will be 
showing you how to make a crude form of aspirin from the bark of a willow tree. 
.... Instead, you want it to come off in one or a few large pieces. [DOC] [TLE] From a tree, a 'miracle' called aspirin - CNN.com [PAR] Dec 22, 2010 ... The ancient Egyptians used willow bark as a remedy for aches and pains, said Diarmuid Jeffreys, author of "Aspirin: The Remarkable Story of a Wonder Drug." They didn't know that what was reducing body temperature and inflammation was the salicylic acid. [DOC] [TLE] How to Make Aspirin if You're Lost in the Woods: 11 Steps - wikiHow [PAR] May 25, 2016 ... Willow bark contains salicylic acid, which is the active ingredient in aspirin. If you 
can find a willow tree, then you can use its bark to make... [DOC] [TLE] [From willow bark to acetylsalicylic acid]. - NCBI [PAR] Acetylsalicylic acid is one of the most widely used drugs in the world. ... salicin 
and salicylic acid, are found in the bark and leaves of the willow and poplar trees. [DOC] [TLE] Aspirin: Turn of the Century Miracle Drug | Chemical Heritage ... [PAR] Ancient civilizations in Mesopotamia used the extract from willow trees to treat ... 
One of the most noteworthy reports of the use of salicylic acid comes from the ... 
on willow-tree bark to patients suffering from fever and pain, as well as the use of 
.... In 1915 aspirin became available to the public without a prescription, making it
... [DOC] [TLE] Make your own aspirin out of tree bark - io9 [PAR] Jun 16, 2011 ... Its active ingredient is known as Acetylsalicylic Acid, and each tablet has about ... 
of the compound were made by boiling the bark of the white willow tree. .... Has 
anyone seen documentation of just how they used willow bark? [DOC] [TLE] Willow Bark: Nature's Aspirin - Healthline [PAR] Nov 17, 2014 ... Mother Nature's rival to aspirin is the salicin in Willow bark. Your body turns it into 
salicylic acid and it can relieve your back pain and headaches. ... For over 2,000 
years, willow bark has been used in Chinese ... When most people think of the 
willow tree, they think of Harry Potter or their favorite Disney film. [DOC] [TLE] Chemistry 104: Synthesis of Aspirin [PAR] Aspirin (acetylsalicylic acid) is a synthetic organic derived from salicylic acid. 
Salicylic acid is a natural product found in the bark of the willow tree and was 
used... [DOC] [TLE] Medicinal potential of willow: A chemical perspective of aspirin ... [PAR] Apr 14, 2010 ... The willow tree is a symbolic medicinal plant that has been ... are well-
recognised drugs derived from plants with pharmaceutical and clinical ... salicin, 
and the chemical synthesis of salicylic acid and aspirin. ... Carried the first clinical 
trial of willow bark and used willow powder to treat ague (Stone, 1763). [DOC] [TLE] How aspirin is made - production process, manufacture, history ... [PAR] In addition, biologists use aspirin to interfere with white blood cell action, and ... in 
aspirin was first derived, salicylic acid, was found in the bark of a willow tree in ... 
(The bark from the willow treeSalix Albacontains high levels of salicin, the ... 
corn starch and water are added to the active ingredient (acetylsalicylic acid) to... [DOC] [TLE] Making Willow Water / Salicylic Acid and SAR - Bluestem Nursery [PAR] ... acetyl, spir from Spiraea (the salicin they used came from

Question: Used in making aspirin, this acid comes from the bark of the willow tree
Answer: Salicylic acid