Processing technology of quick-frozen sweet potato strips

Abstract

The invention relates to a processing technology of quick-frozen sweet potato strips. The processing technology comprises the following steps of harvesting sweet potatoes, performing saccharificationtreatment, performing cleaning, performing peeling, performing trimming, performing cutting to obtain sweet potato strips, performing soaking, performing cooking, performing baking, performing quick-freezing, performing ultraviolet sterilizing, performing vacuum packing and performing warehousing. The sweet potato strips made by the processing technology are soft in texture, have certain tenacity,are uniform in color, glossy and red, unique in mouth feel, and pure in flavor, maintain primary color of the sweet potatoes, maintain the fragrance and the flavor of the sweet potatoes, and are highin yield. Hygiene and safety are guaranteed, the quick-frozen sweet potato strips are free from any good additive, short in processing time, and low in loss of nutrient components; the quality guarantee period of the quick-frozen sweet potato strips at normal temperature is 9 months, and the quality guarantee period of the quick-frozen sweet potato strips under the refrigeration condition is 14 months. The quick-frozen sweet potato strips conform to the quality standard that the total bacterial count is smaller than or equal to 1000CFU / g, mould is smaller than or equal to 50CFU / g, the escherichia coli is smaller than or equal to 30MPN / 100g, pathogenic bacteria are not detected, and the nutrient and the flavor of the sweet potatoes can be improved, so that the requirements of consumers canbe met.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a processing technology of quick-frozen sweet potato strips. Background technique [0002] Sweet potato, also known as sweet potato, taro, red scorpion, purple scorpion, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, golden potato, sweet potato, red potato, pillow potato, sweet potato, etc., is a cheap health food , is becoming more and more popular. The sweet potato in this article refers to the root tuber of sweet potato or purple potato. [0003] Sweet potatoes contain a variety of nutrients needed by the human body, rich in starch, vitamins, cellulose and other essential nutrients for the human body, and also rich in mineral elements such as magnesium, phosphorus, calcium, and linoleic acid. Every 500 grams of sweet potatoes can produce about 635 kcal of heat energy, containing 11.5 grams of protein, 14.5 grams of sug...

AI Technical Summary

Problems solved by technology

[0020] Sweet potatoes are seasonally harvested products, and they will rot if they are not stored properly. At present, many people make sweet potatoes into sweet potato strips for quick freezing and preservation, but their taste is not good, their flavor is not pure, and hygiene and safety are difficult to guarantee. nutrition and flavor, thus failing to meet the needs of consumers