Wet preparation method of instant corn nutrition snowflake tablets

A technology for snowflakes and corn is applied in the field of wet preparation of instant corn nutritional snowflakes, which can solve the problems of affecting starch gelatinization characteristics, reducing the content of resistant starch, affecting the reconstitution of products, and the like, so as to retain nutrients and flavors. Substances, improved reconstitution, easy-to-control effects

Active Publication Date: 2019-06-18
SICHUAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The study found that the extrusion process to produce corn flakes has the following problems: 1. The content of resistant starch is reduced, and the high temperature and pressure in the extrusion process will cause Maillard reaction between reducing sugars and free amino acids in corn , reducing the content of reducing sugar and free amino acids, resulting in weakened effectiveness of amino acids, corn grits raw materials under high temperature and high pressure friction and evaporation of water, will lead to the loss of vitamins, especially the loss rate of water-soluble vitamins up to 50%, It greatly reduces its nutritional value; 2. During the production process, corn grits are subjected to high temperature, high pressure, and high shear force, which will cause hydrogen bond breaks between starches, starch degradation, and affect the gelatinization characteristics of starch, thereby affecting the brewing of products 3. The extrusion method needs to be operated under high temperature and high pressure, and the energy consumption is high

Method used

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  • Wet preparation method of instant corn nutrition snowflake tablets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] In the present embodiment, the process steps of preparing instant corn nutritional snow flakes are as follows:

[0037] (1) Raw material pretreatment

[0038] Select the dry corn grits prepared as raw materials to obtain dry corn grits with normal color, no mildew, no insects, and no peculiar smell;

[0039] (2) Soak

[0040] Measure 50 kilograms of dry corn grits for soaking from the dry corn grits after the pretreatment in step (1), put it into a stirring tank and add 100 kilograms of tap water at 30 ° C, soak for 4 hours under stirring, and the stirring speed is 2r / min, then remove the soaking water;

[0041] (3) Refining

[0042] Transport the soaked corn grits to the colloid mill hopper by a screw conveyor and add tap water to refine through the colloid mill. The distance between the rotor and the rotor, the fineness of the pulp is controlled to be 150 mesh;

[0043] (4) Pre-gelatinization and pre-drying

[0044] Pregelatinize and predry the corn slurry obtai...

Embodiment 2

[0054] In the present embodiment, the process steps of preparing instant corn nutritional snow flakes are as follows:

[0055] (1) Raw material pretreatment

[0056] Select the dry corn grits prepared as raw materials to obtain dry corn grits with normal color, no mildew, no insects, and no peculiar smell;

[0057] (2) Soak

[0058] Measure 50 kilograms of dry corn grits for soaking from the dry corn grits after the pretreatment in step (1), put it into a soaking tank, add 100 kilograms of distilled water at 40° C. to soak for 3 hours, and then remove the soaking water;

[0059] (3) Refining

[0060] Transport the soaked corn grits to the colloid mill hopper through a screw conveyor and add distilled water to refine through the colloid mill. The distance between the rotor and the rotor, the fineness of the pulp is controlled to be 100 mesh;

[0061] (4) Pre-gelatinization and pre-drying

[0062] Pregelatinize and predry the corn slurry obtained by refining with two pairs ...

Embodiment 3

[0072] In the present embodiment, the process steps of preparing instant corn nutritional snow flakes are as follows:

[0073] (1) Raw material pretreatment

[0074] Select the dry corn grits prepared as raw materials to obtain dry corn grits with normal color, no mildew, no insects, and no peculiar smell;

[0075] (2) Soak

[0076] Measure 30 kilograms of dry corn grits for soaking from the dry corn grits after the pretreatment in step (1), put it into a jacketed pot, add 60 kilograms of tap water at 50° C. to soak for 2.5 hours, and then remove the soaking water;

[0077] (3) Refining

[0078] The soaked corn grits are transported to the colloid mill hopper by a screw conveyor, and tap water is added to carry out defibrination through the colloid mill. The distance between the rotor and the rotor, the fineness of the pulp is controlled to be 120 mesh;

[0079] (4) Pre-gelatinization and pre-drying

[0080] Pregelatinize and predry the corn syrup obtained by refining wit...

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Abstract

The invention provides a wet preparation method of instant corn nutrition snowflake tablets. The method takes dry corn grits as a raw material, and comprises the following steps that (1) the raw material is pretreated; (2) the dry corn grits are soaked in drinking water with the temperature of 30-60 DEG C; (3) the dry corn grits are grinded into pulp; (4) the pulp obtained by grinding is subjectedto roller pregelatinization and pre-drying to obtain corn paste; (5) the corn paste is subjected to roller drying to obtain the corn tablets of which the water content is not higher than 8%; (6) thecorn tablets are crushed and sieved; (7) the corn snowflake tablets are subjected to microwave sterilization; (8) inner packaging, metal detection and outer packaging are carried out. The wet preparation method of the instant corn nutrition snowflake tablets can improve the nutritional value of the corn snowflake tablets, improve the brewing performance and taste of the corn snowflake tablets, andreduce the energy consumption.

Description

technical field [0001] The invention belongs to the field of food processing, in particular to a wet method for preparing instant corn nutritional flakes. Background technique [0002] Corn has rich nutritional value and health care function. In addition to nutrients such as carbohydrates, protein, fat, and carotene, corn also contains seven "anti-aging agents", namely calcium, glutathione, vitamins, magnesium, selenium, vitamin E, and fatty acids. Among them, nearly 300 mg of calcium can be extracted per 100 grams of corn, and rich calcium can achieve the effect of lowering blood pressure. Glutathione contained in corn is an anti-cancer factor, it can combine with some carcinogens to make it lose its carcinogenicity; glutathione is also a longevity factor, it generates glutathione with the participation of selenium Peptide oxidase has the functions of restoring youth and delaying aging. Natural vitamin E has the functions of promoting cell division, delaying aging, lower...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L7/135A23L3/01A23L3/40
Inventor 吕远平陈德长孔茂竹孔露余佳熹曾珍黄锐姚太勇
Owner SICHUAN UNIV
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