Sweet potato dietary fiber and preparation process thereof

Abstract

The invention relates to a sweet potato product and a preparation process, in particular to sweet potato dietary fiber and a preparation process thereof, suitable for deeply processing sweet potatoes. In the invention, residual sweet potato dregs left after traditional starch extraction of sweet potato are used as a raw material, and the process comprises the following steps of: selecting and soaking the raw material, primarily cleaning, secondarily cleaning, thirdly cleaning, crushing, elutriating fiber pulp, extruding to dewater, dewatering fiber dregs, baking the fiber dregs, swelling, crushing and sieving. The invention has simple practical production process and low cost, fully utilizes the sweet potato dregs left after starch extraction, reduces waste emission, protects the biological environment, increases the economic incomes of peasants and improves the economic benefits of production enterprises.

Description

technical field

[0001] The invention relates to sweet potato products and a processing technology, in particular to sweet potato dietary fiber and a manufacturing technology thereof, which are suitable for deep processing of sweet potatoes. Background technique

[0002] Sweet potato, also known as sweet potato, sweet potato, sweet potato, sweet potato. It belongs to the sweet potato species of Convolvulaceae sweet potato, a vine herb, native to the Americas, and has been introduced into my country for more than 400 years of cultivation history. According to expert tests, sweet potatoes contain 18 kinds of amino acids and are rich in vitamins. Vitamins B1 and B2 are twice that of rice noodles; vitamin E is 9.5 times that of wheat; vitamins A and C are also high, so eating sweet potatoes is good for health. Eating sweet potatoes will not only prevent you from gaining weight, but on the contrary, you can lose weight, keep fit, prevent sub-health, and detoxify. Every 100 grams...