A BEVERAGE COMPRISING A SWEET POTATO AND THE METHOD THEREOF

摘要

PURPOSE: A manufacturing method of sweet potato beverage is provided to have preference and excellent physical and chemical properties by using roast sweet potatoes. CONSTITUTION: A manufacturing method of sweet potato beverage comprises the steps of: preparing a suspension by wet-pulverizing sweet potatoes or a sweet potato powder; saccharifying the suspension by processing with α-amylase followed by drying to prepare a saccharification powder; and adding 5 to 10 wt% of the saccharification powder based on a total weight of the beverage. The manufacturing method of sweet potato beverage further includes preparing a sweet potato powder by freeze-drying sweet potatoes before wet-pulverizing sweet potatoes. The sweet potatoes are roast sweet potatoes. The α-amylase is reacted with the suspension at a temperature of 70 to 80>=. The α-amylase at a weight of 0.02 wt% of the sweet potato suspension is used. The sweet potato beverage further includes 5 to 7 wt% of sugar based on a total weight of the beverage. The sweet potato is one selected from the group consisting of chestnut sweet potato, pumpkin sweet potato, and purple sweet potato. [Reference numerals] (AA) Chestnut taste sweet potato; (BB) Sugar content(°Bx); (CC) Time(min);