Antioxidant electronic cigarette liquid and preparation method thereof

The invention provides antioxidant electronic cigarette oil and a preparation method thereof, and the antioxidant electronic cigarette oil is prepared from the following raw materials in parts by weight: 5-20 parts of antioxidant nicotine salt, 1-5 parts of tobacco essence, 7-15 parts of deionized water, 40-60 parts of propylene glycol and 10-20 parts of glycerol. The natural antioxidant rosemary extract is added in the preparation process, the natural antioxidant rosemary extract comprises one or more of rosmarinic acid, carnosic acid and ursolic acid, all the rosmarinic acid, carnosic acid and ursolic acid have high antioxidant activity and belong to efficient natural antioxidants, the antioxidant nicotine salt is prepared by adding the antioxidants, and the antioxidant nicotine salt has the good antioxidant activity. The antioxidant nicotine salt is added into the electronic cigarette oil, so that on one hand, natural oxidation of nicotine can be inhibited, the color of the electronic cigarette oil cannot