Blood sugar reducing beverage and preparation method thereof

The invention discloses a blood sugar reducing beverage and a preparation method thereof. The beverage comprises the following components in parts by weight: 60-100 parts of bitter gourd juice, 60-100 parts of Chinese yam juice, 30-50 parts of a sweetening agent and 10-20 parts of a stabilizer. The stabilizer is formed by mixing zein and ethidene diamine modified gellan gum according to a specific mass ratio, the ethidene diamine modified gellan gum has amphipathy and can be combined with zein to be adsorbed on the surfaces of active ingredient particles of the blood sugar reducing beverage, and the stability of the blood sugar reducing beverage is improved through the electrostatic repulsion and steric hindrance effects of the ethidene diamine modified gellan gum. The prepared blood sugar reducing beverage has a good blood sugar reducing effect, has no side effect and is suitable for long-term drinking. 本发明公开了一种降血糖饮料及其制备方法，该饮料包括如下重量份的组分：60-100份苦瓜汁、60-100份山药汁、30-50份甜味剂、10-20份稳定剂。本发明的稳定剂由特定质量比的玉米醇溶蛋白与乙二胺改性的结冷胶