Selenium-enriched probiotic elderberry protein powder solid beverage

Belonging to the technical field of functional food, the invention discloses a selenium-rich probiotic elderberry protein powder solid beverage, which is prepared from the following raw materials by weight: 50-95 parts of protein, 1-20 parts of selenium-rich corn flour, 5-30 parts of non-dairy creamer, 0.1-20 parts of elderberry powder, 0.2-20 parts of dietary fiber, 0.01-10 parts of a sweetener, and 0.001-5 parts of probiotics. The sambucus williamsii powder is applied to the protein powder solid beverage, the protein powder solid beverage added with the sambucus williamsii powder can improve the immunity of the human body, in the preparation process of the sambucus williamsii powder, a spray drying method is used for preparation, parameters such as the air inlet temperature of spray drying are limited, and meanwhile, the solid beverage can be used for preparing the sambucus williamsii powder. Maltodextrin, Arabic gum and sodium chloride are mixed to serve as a carrier agent, active substances in the elderbe