Zanthoxylum bungeanum essential oil is distilled from fresh Zanthoxylum bungeanum fruit, and its main component is citral. Mountain pepper oil, also known as litsea cubeba oil and litsea cubeba oil, is a kind of edible seasoning oil which is diluted and blended only with edible vegetable oil. It has the fragrance of lemon, and has the effects of removing fishy smell, improving taste and enhancing freshness.