Hydroxy-α-sanshool is a bioactive compound primarily found in the prickly ash (Zanthoxylum species), known for its unique sensory properties, including a tingling and numbing sensation. It is a member of the sanshool family, which are alkaloids contributing to the characteristic flavor and mouthfeel of Sichuan pepper. This compound has garnered interest for its potential health benefits, including analgesic and anti-inflammatory effects. Its sensory characteristics make it a valuable ingredient in culinary applications, particularly in Asian cuisines, enhancing the overall flavor profile of dishes. Hydroxy-α-sanshool's interaction with sensory receptors contributes to its unique taste experience, making it a subject of research in food science and gastronomy.