Preparation method of low-blood-glucose-index resistant starch type recombination rice

A low-glycemic index and resistant starch technology, which is applied to medical preparations with no active ingredients, medical preparations containing active ingredients, drug combinations, etc., can solve the problems of easy production of harmful substances in the preparation process, complex preparation methods, and product effects. Bad question

Active Publication Date: 2019-01-04
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the main preparation methods of slow-digesting resistant starch are physical method, chemical modification method, biological enzyme method and multiple method compoundi

Method used

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  • Preparation method of low-blood-glucose-index resistant starch type recombination rice
  • Preparation method of low-blood-glucose-index resistant starch type recombination rice
  • Preparation method of low-blood-glucose-index resistant starch type recombination rice

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0114] Embodiment 1: Preparation of low glycemic index resistant starch

[0115] details as follows:

[0116] (1) get each raw material with the formula of table 1;

[0117] (2) Weigh rice starch and disperse it in 55% (v / v) ethanol solution A, prepare 20% (w / v) starch milk, keep it warm in a constant temperature water bath shaker at 45°C, and at the same time, use 2mL / min Add 1.0mol / L NaOH solution at the rate of 1.0mol / L, and fully react for 25min;

[0118] (3) Fatty acid is dissolved in the ethanol solution B of 65% (v / v), until the ratio of starch quality, NaOH quality, ethanol solution A volume, fatty acid quality, and ethanol volume solution B in the reaction solution is carried out according to Table 1 Adjust, then preheat in a constant temperature water bath at 50°C for 5 minutes, then add it to the starch milk system at a rate of 0.4mL / min, fully react for 75 minutes, and then add 1.0mol / L HCl solution to adjust the pH to neutral;

[0119] (4) After completing the ...

Embodiment 2

[0130] Embodiment 2: Preparation of low glycemic index resistant starch

[0131] details as follows:

[0132] (1) Weigh rice starch and disperse it in 55% (v / v) ethanol solution A, prepare 20% (w / v) starch milk, keep it warm in a constant temperature water bath shaker at 45°C, and at the same time use 2mL / min Add 1.0mol / L NaOH solution at a rate of 1.0mol / L until the ratio of starch mass, NaOH mass and ethanol volume in reaction solution A is 1.0:0.4:3.0, and fully react for 25min;

[0133] (2) Dissolve fatty acid in 65% (v / v) ethanol solution B until the ratio of starch mass, fatty acid mass, NaOH mass and ethanol volume in reaction solution B is 1.0:0.1:0.4:3.0, at 50°C After preheating in a constant temperature water bath for 5 minutes, add it to the starch milk system at a rate of 0.4 mL / min, fully react for 75 minutes, and then add 1.0 mol / L HCl solution to adjust the pH to neutral;

[0134] (3) The specific operating conditions of low temperature complexation and cooli...

Embodiment 3

[0145] Embodiment 3: Preparation of low glycemic index recombinant rice

[0146] details as follows:

[0147] (1) Take each raw material with the formula in Table 5 (the low blood sugar resistant starch here is the low blood sugar resistant starch obtained in Group A in Example 2);

[0148] (2) After fully mixing the raw materials with a stirrer, add distilled water equivalent to 35% of the mass of the material, add water to temper, and mix again to obtain a mixture;

[0149] (3) After quenching and tempering is completed, the mixture is fed into the twin-screw extruder, and the solid feeding rate is 3kg / h before the start of extrusion. 80°C, 90°C, 100°C, the screw speed is 110rpm, the diameter of the die head at the discharge port of the extruder is 6mm, and the cutting machine speed at the discharge port is 250rpm;

[0150] (4) Carry out extruding granulation by twin-screw extruder, and cut with cutter at die head, obtain granule or particle size be the spherical or rod-sh...

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Abstract

The invention discloses a preparation method of low-blood-glucose-index recombination rice, and belongs to the technical field of food. The method comprises the steps that firstly, after starch in analcohol water phase system and lipid are subjected to low-temperature complexing, varying temperature crystallization is performed to obtain low-blood-glucose-index resistant starch, then, the low-blood-glucose-index resistant starch is adopted as a main raw material, the extrusion technology is adopted for preparing the low-blood-glucose-index recombination rice; the low-blood-glucose-index resistance starch prepared through the method has the functions of controlling after-meal blood glucose, protecting and conveying fatty acid, delaying starch aging and the like; the low-blood-glucose-indexrecombination rice obtained through the method is applicable to patients with type 2 diabetes, and has the advantages of increasing the addition value of subsidiary agricultural products, lowering the production cost of the rice, improving the rice production efficiency and the like.

Description

technical field [0001] The invention relates to a preparation method of low-glycemic-index-resistant starch-based recombinant rice, which belongs to the technical field of food. Background technique [0002] In the past ten years, the number of diabetic patients in the world has increased rapidly at an alarming rate. According to statistics in 2010, the total population of diabetic patients in my country reached 116 million, accounting for 11.6% of the total population. my country has become the country with the largest population of diabetics in the world, and the prevention and treatment of diabetes has become one of the main public health problems in our country. [0003] Postprandial hyperglycemia is the main factor that causes diabetes, aggravates diabetes, and causes diabetic complications, and the "culprit" that causes postprandial hyperglycemia is mainly staple food (ie, carbohydrates). Therefore, the choice of staple food (ie, carbohydrates) and Control is the basi...

Claims

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Application Information

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IPC IPC(8): A23L29/30A23L7/143A23L7/10A23L33/125A61K31/718A61K47/54A61P3/10
CPCA23V2002/00A61K31/718A23L7/143A23L7/198A23L29/30A23L33/125A61K47/543A61P3/10A23V2200/328A23V2200/30A23V2250/5118
Inventor 田耀旗蔡灿欣朱碧骅詹锦玲金征宇
Owner JIANGNAN UNIV
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