Formula containing enzymatically modified stevia sugar for cool green tea beverage

The invention discloses a formula containing enzymatically modified stevia sugar for a cool green tea beverage. The formula comprises the following components by mass percent: 15-20% of green tea lixivium, 0.03-0.08% of enzymatically modified stevia sugar, 0.1-0.4% of natural honey, 0.01-0.05% of an antioxidant, and the balance of water. According to the formula provided by the invention, the enzymatically modified stevia sugar is used for substituting a sweetening agent being saccharose in the traditional green tea beverage formula, so that the natural characteristics of high sweetness and low calorific value of the original stevia sugar is maintained, and the enzymatically modified stevia sugar reduces the later bitterness of the original stevia sugar, has certain cool mouthfeel like natural green grass, can improve mouthfeel without adding an acidulant in the formula, further has certain antioxidant activity, can be cooperated with the antioxidant in the formula to play the role of oxidation resistance, and can be compounded with green tea perfectly. The cool green tea beverage produced according to the formula is bright in color, gentle and harmonious in fragrance, moderate in sweetness, cool in mouthfeel, and also suitable for being drunk by fat people or people suffering from diabetes and other diseases as the caloric value of the beverage is reduced by virtue of low- calorific value formula.