Shikimic acid is a naturally occurring compound found in various plants, including star anise, pine needles, and certain fruits. It plays a crucial role in the biosynthesis of aromatic amino acids, which are essential for protein production in living organisms. This compound is particularly significant in the production of the antiviral drug oseltamivir, commonly known as Tamiflu. Shikimic acid is extracted from the seeds of star anise and is used in the pharmaceutical industry to help combat influenza and other viral infections.