Baicalin (7-D-glucuronic acid-5,6-dihydroxyflavone) is the primary bioactive flavonoid compound found in Scutellaria baicalensis Georgi, a medicinal plant with a long history of use in traditional Chinese and Japanese herbal medicine. It is the glucuronide conjugate of baicalein and is concentrated in the dried root, known as Huang Qin. Baicalin has been extensively researched for its broad-spectrum pharmacological activities, including antioxidant, anti-inflammatory, hepatoprotective, and neuroprotective effects. It is extracted using water or ethanol-based processes and is available in various purity grades for supplement and pharmaceutical use.