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A kind of production process of preparing starch syrup from rice

A production process and starch syrup technology, which is applied in the field of rice starch syrup preparation, can solve the problems of uneven particle size of rice crushing, affect product quality, and invest in more equipment, so as to reduce insoluble starch particles, complete liquefaction effect, and save steam. Effect

Active Publication Date: 2019-08-06
双桥(湖北)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of starch sugar and rice protein using rice as raw material mostly adopts traditional technology, which requires long soaking time, a lot of equipment, low conversion rate, and is greatly affected by environmental factors, resulting in uneven particle size of rice crushing, which affects product quality.

Method used

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  • A kind of production process of preparing starch syrup from rice

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] 1) Crushing and pulping: Weigh 100 parts by mass of rice, remove visible impurities and transport it to a rice washing tank, add water to soak, and feed compressed air to make the rice grains roll and rub, rinse the impurities on the surface of the rice grains, and release rice swill after rinsing , repeat once more, wash the rice grains, and then grind them into a slurry through a roller crushing homogenizer, add water at 54-55°C, adjust the pH value, and obtain the rice with a concentration of 25-26°Bé and a pH value of 5.6-5.7 rice slurry;

[0058] 2) Liquefaction: Add Liquozyme Supra 2.2X α-amylase accounting for 0.03% of the rice mass to the rice slurry, stir evenly, perform primary jet liquefaction at 100-102°C, keep warm for 30 minutes after flash evaporation, and then heat at 125-126°C Perform secondary jet liquefaction at ℃ to obtain liquefied liquid;

[0059] 3) Laminar flow column for heat preservation and solid-liquid separation: After the liquefied liquid ...

Embodiment 2

[0066] 1) Crushing and pulping: Weigh 100 parts by mass of rice, remove visible impurities and transport it to a rice washing tank, add water to soak, and feed compressed air to make the rice grains roll and rub, rinse the impurities on the surface of the rice grains, and release rice swill after rinsing , repeat once more, wash the rice grains, and then grind them into a slurry with a roller crushing homogenizer, add 56-57°C water, adjust the pH value, and obtain the rice with a concentration of 27-28°Bé and a pH value of 5.8-5.9 rice slurry;

[0067] 2) Liquefaction: Add Liquozyme Supra α-amylase accounting for 0.04% of rice mass to the rice slurry, stir evenly, perform primary jet liquefaction at 104-105°C, keep warm for 40 minutes after flash evaporation, and then heat at 128-129°C Perform secondary jet liquefaction to obtain liquefied liquid;

[0068] 3) Laminar flow column insulation, solid-liquid separation: After the liquefied liquid is flashed to cool down and reduce...

Embodiment 3

[0075] 1) Crushing and pulping: Weigh 100 parts by mass of rice, remove visible impurities and transport it to a rice washing tank, add water to soak, and feed compressed air to make the rice grains roll and rub, rinse the impurities on the surface of the rice grains, and release rice swill after rinsing , repeat once more, wash the rice grains, and then grind them into a slurry with a roller crushing homogenizer, add water at 55-56°C, adjust the pH value, and obtain the rice with a concentration of 26-27°Bé and a pH value of 5.7-5.8 rice slurry;

[0076] 2) Liquefaction: Add Liquozyme Supra 2.2X α-amylase accounting for 0.02% of the rice mass to the rice slurry, stir evenly, perform primary jet liquefaction at 99-100°C, keep warm for 50 minutes after flash evaporation, and then heat at 126-127°C Perform secondary jet liquefaction at ℃ to obtain liquefied liquid;

[0077] 3) Laminar flow column for heat preservation and solid-liquid separation: After the liquefied liquid is f...

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Abstract

The invention discloses a production process for preparing starch syrup from rice. The production process comprises the following steps: (1) crushing and pulping; (2) liquefying; (3) carrying out column laminar flow heat preservation and solid-liquid separation; (4) extracting a rice protein nitrogen source; (5) saccharifying; (6) carrying out solid-waste-free filtering; (7) carrying out mixed bed refining and concentrating. According to the process disclosed by the invention, in a process of preparing the starch syrup, the energy consumption is reduced through blending high-concentration starch syrup, a pulping water temperature is controlled and the liquefying time is shortened; residual sugar is recycled from sugar-free grains produced in a production process and fat in the sugar-free grains is hydrolyzed by adopting alkaline lipase; protein of the rice sugar-free grains is hydrolyzed by proteinase to prepare an organic nitrogen source, and fermentation raw materials for foods and medicines. The process disclosed by the invention is remarkably better than a traditional process for preparing the starch syrup from the rice; the production cost is low and an additional value of a product is improved; the content of produced solid wastes is extremely less and the production process is economical and environmentally friendly.

Description

technical field [0001] The invention relates to a production process for preparing starch syrup from rice, which belongs to the field of deep processing of rice. Background technique [0002] Starch sugar is widely used in beverages, candies, cakes, beer and other foods. It is easy to use and is favored by the majority of food processing enterprises. Starch sugar has a long history in our country. It was recorded in "Qi Min Yao Shu" in more than 500 AD, and described in detail the method of making sugar from rice. The types of starch sugars can be roughly divided into glucose, maltose, fructose, maltodextrin, oligosaccharides, sugar alcohols, and complex sugars (alcohols) according to their composition. [0003] At present, most of the manufacturing process of starch sugar is saccharification first and then separation of sugar residue. During the saccharification process, impurities such as protein and fat react with themselves or combine with sugar to produce more by-produ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P19/02C12P19/04C12P19/14C12P19/16C12P19/22C12P21/06
CPCC12P19/02C12P19/04C12P19/14C12P19/16C12P19/22C12P21/06
Inventor 徐正康罗建勇周文君周彦斌郭峰李碧珠陈耀煌
Owner 双桥(湖北)有限公司
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