Processing method of sweet potato sheet jelly

Abstract

A processing method of sweet potato sheet jelly, comprising the following steps of cleaning raw material sweet potatoes by water, and then continuously conveying the sweet potatoes to a crusher for crushing into sweet potato slurry with the particle size smaller than 3mm, weighing the sweet potato slurry, sweet potato graham flour or / and sweet potato starch in a weight ratio of the sweet potato slurry, the sweet potato graham flour or / and the sweet potato starch, which is 1: 0-100, adding water, mixing uniformly to prepare mixed slurry, wherein the water is added so that the water content in the mixed slurry is 48-65% by weight percentage, sending the mixed slurry to a spiral extrusion molding machine for curing and molding to form the sheet jelly, conveying the sheet jelly by a continuous conveyer, automatically cutting the sheet jelly according to a fixed length, and packing through an automatic packing machine or a vacuum packing machine so as to prepare the sheet jelly product. The invention uses mechanical continuous production and has a simple processing technology. The prepared sweet potato sheet jelly product maintains the nutrient components in the sweet potatoes and the active components capable of improving human immunity, and is excellent green health food.

Description

technical field [0001] The invention belongs to the preparation of food or food material, and relates to a processing method of sweet potato vermicelli. The prepared sweet potato vermicelli can be eaten by cooking, frying, cold salad or hot pot. Background technique [0002] Sweet potato, also known as sweet potato (Ipomoea batatas Lam), is an important low-input, high-yield, drought-resistant, barren-resistant, multi-purpose crop that is food, feed and industrial raw materials in China. my country is a big sweet potato country in the world, with an annual sweet potato planting area of ​​6.16 million hm 2 , with a total output of 117 million tons, accounting for 68.1% and 86.8% of the world's planted area and total output, respectively. Sweet potatoes are rich in nutrients, except for containing a lot of starch, Vc, V B1 , V B2 , V E In addition to carotene, dietary fiber and various amino acids (especially the rare lysine in rice noodles is very rich), it also contains...

AI Technical Summary

Problems solved by technology

[0003] Sweet potato vermicelli is a traditional food in my country. In the prior art, the processing of sweet potato vermicelli generally requires fresh sweet potatoes to be cleaned, crushed, precipitated, desanded and impurity removed to prepare starch, and then processed into vermicelli, and the vermicelli produced is a pure starch product. During the production process, almost all nutrients such as dietary cellulose, pectin, sugar, and protein in sweet potatoes are lost, and other useful nutrients are also lost. Therefore, the traditional vermicelli has a single nutrition and taste.

The general production process of vermicelli is: making starch into slurry, mesh belt coating, steaming and forming, cooling and aging, cutting, measuring, packaging and other processes. There are many production processes, long production cycle, high production cost, and sweet potato Nutrients such as dietary fiber and protein, which are high value-added ingredients in the food, are converted into waste water and waste residue. Calculated by 1 ton of sweet potato starch processing starch to discharge 5 tons of waste water and waste residue, if China's about 110 million tons of sweet potato starch is all processed, about 550 million will be discharged. Tons of waste water and waste residue not only cause environmental pollution, but also waste a lot of beneficial resources; traditional fresh potato vermicelli generally need to add chemical additives for antiseptic preservation, which is not conducive to human health; traditional vermicelli is produced by hand or by coating Fenpi, the product has poor hygienic conditions, discontinuous production process, low degree of automation, high labor, energy consumption, and loss, resulting in high final production cost of the product, which is not conducive to commercial promotion and sales

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