Preparation method of white spirit vinasse flavor extract

The invention provides a preparation method of a white spirit vinasse flavor extract, and belongs to the technical field of resource reutilization. The preparation method of the Baijiu vinasse flavor extract comprises the following steps: mixing Baijiu vinasse with water to obtain a dispersion liquid; sequentially carrying out first evaporation, second evaporation and third evaporation on the dispersion liquid to obtain the white spirit vinasse flavor extract, the second evaporation is carried out under an ultrasonic condition. The preparation method provided by the invention can accelerate dissolution and dissolution of flavor substances in the white spirit vinasse, and effectively improves the recovery rate of the flavor substances in the white spirit vinasse. 本发明提供了一种白酒酒糟风味提取物的制备方法，属于资源再利用技术领域。本发明提供的白酒酒糟风味提取物的制备方法包括以下步骤：将白酒酒糟与水混合，得到分散液；将所述分散液依次进行第一蒸发、第二蒸发和第三蒸发，得到所述白酒酒糟风味提取物；所述第二蒸发在超声的条件下进行。本发明提供的制备方法能够加速白酒酒糟中风味物质的溶解与溶出，有效提高了白酒酒糟风味物质的回收率。