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From article:
Through research, I found that pine needles not only contain suramin, a large molecule that’s touted for various medicinal effects, but also shikimic acid.
Imagine my surprise when I discovered that pine needles contain shikimic acid, the same molecule found in Star Anise herb used in Traditional Chinese Medicine to treat plagues and respiratory illness.
The Boston Herald published a story in 2010 that revealed researchers were studying extraction techniques to harvest shikimic acid from pine needles in order to provide this raw material to the pharmaceutical industry to manufacture anti-viral, anti-flu, anti-pandemic prescription medicines. From that story:
Researchers at the University of Maine at Orono say they’ve found a new and relatively easy way to extract shikimic acid — a key ingredient in the drug Tamiflu — from pine tree needles.