Granular starch lipid compound with low glycemic index, and preparation method thereof

A low-glycemic index and lipid complex technology, which is applied in food science, the function of food ingredients, food ultrasonic treatment, etc., can solve the problem of reducing the digestion rate of starch-lipid complex and unfavorable wide application of starch-lipid complex , Low product yield and other issues, to achieve the effect of easy cleaning and purification, high efficiency of production equipment, and high content

Pending Publication Date: 2020-07-28
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current preparation of granular starch-lipid complexes still has the following deficiencies: (1) The free volume and mobility of starch molecular segments are enhanced mainly through the thermal field interaction between granular starch and lipids, and the interaction between starch and lipids is improved. The accessible ability of plasma molecules, thereby promoting the complex reaction of granular starch and lipid, and reducing the digestion rate of starch-lipid complex
However, the above preparation methods are complex and costly, which is not conducive to the wide application of starch-lipid complexes in the food industry.
And the product yield is low

Method used

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  • Granular starch lipid compound with low glycemic index, and preparation method thereof
  • Granular starch lipid compound with low glycemic index, and preparation method thereof
  • Granular starch lipid compound with low glycemic index, and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0049] This embodiment relates to a method for ultrasonic treatment to prepare granular starch-lipid complexes with low glycemic index, comprising the following steps:

[0050] (1) take by weighing 100g dry base wheat starch, fully mix with distilled water, obtain the wheat starch suspension that mass fraction is 5%;

[0051] (2) Take 6g of oleic acid, disperse and dissolve it with 2 times the volume of dehydrated alcohol, add it to the wheat starch suspension, mix the wheat starch and oleic acid evenly, and obtain the wheat starch lipid mixture;

[0052] (3) Wheat starch lipid mixture is placed in constant temperature ultrasonic treatment equipment and carries out ultrasonic treatment, under the condition of 40kHz, 240W ultrasonic treatment 20min, keep composite reaction system temperature at (T o -5) at about ℃, stirring constantly to obtain the ultrasonically treated wheat starch lipid mixture;

[0053] (4) Cool the ultrasonically treated wheat starch lipid mixture to room...

Embodiment 2

[0057] A method for ultrasonic treatment to prepare low-glycemic index granular state-starch-lipid complex, comprising the steps:

[0058] (1) take by weighing 100g dry basis potato starch, fully mix with distilled water, obtain the potato starch suspension that massfraction is 6%;

[0059] (2) take 10g oleic acid, after dispersing and dissolving with dehydrated alcohol of 2 times volume, add in the potato starch suspension, potato starch and oleic acid are mixed uniformly, obtain the potato starch lipid mixture;

[0060] (3) the potato starch lipid mixture is placed in constant temperature ultrasonic treatment equipment and carries out ultrasonic treatment, under the condition of 40kHz, 400W ultrasonic treatment 30min, keep composite reaction system temperature at (T o -10) ℃ or so, constantly stirring, obtain the ultrasonic treatment potato starch lipid mixture;

[0061] (4) Cool the ultrasonically treated potato starch lipid mixture to room temperature, centrifuge at 3000r...

Embodiment 3

[0065] A method for preparing low-glycemic index granular starch-lipid complexes by ultrasonic treatment, comprising the steps of:

[0066] (1) take by weighing 100g dry base rice starch, fully mix with distilled water, obtain the rice starch suspension that mass fraction is 10%;

[0067] (2) Take by weighing 15g oleic acid, after dispersing and dissolving with dehydrated alcohol of 3 times volume, add in the rice starch suspension, rice starch and oleic acid are mixed evenly, obtain the rice starch lipid mixture;

[0068] (3) The rice starch lipid mixture is placed in a constant temperature ultrasonic treatment device for ultrasonic treatment, and ultrasonic treatment is performed for 50min under 20kHz, 500W conditions, and the temperature of the composite reaction system is kept at (T o -3) at about ℃, stirring constantly to obtain a mixture of ultrasonically treated rice starch and lipid;

[0069] (4) Cool the ultrasonically treated rice starch lipid mixture to room temper...

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Abstract

The invention belongs to the field of starch modification processing, and particularly relates to a granular starch lipid compound with a low glycemic index and a preparation method thereof. The method disclosed by the invention comprises the following steps of treating suspension of starch and lipid through ultrasound, and maintaining a temperature of a reaction mixing system to be lower than a gelatinization temperature T0 of the starch in the treatment process. The granular starch lipid compound with the low glycemic index is prepared through ultrasonic treatment, and has the advantages ofbeing simple in process, advanced in technology, easy to clean, free of pollution and the like. And the granular starch lipid compound with the low glycemic index prepared by the method has the characteristics of high compound index, high thermal stability, low glycemic index and the like, is easy to realize industrial production, and can be widely applied to the field of food processing of functional foods, health-care products and the like.

Description

technical field [0001] The invention belongs to the field of starch modification and processing, and in particular relates to a low-glycemic index granular starch-lipid complex and a preparation method thereof. Background technique [0002] In recent years, due to the increase in the diversity of food types and the unreasonable dietary composition, the energy intake and consumption of the human body are unbalanced, which leads to the number of people suffering from insulin resistance, diabetes, obesity and other related metabolic syndromes year by year. rising. According to the United States Dietary Standards (USDA), carbohydrates are macronutrients essential to human health, providing 45% to 65% of the energy requirements of the human body. Starch is the main storage form of plant carbohydrates, which occupies a large proportion in the human diet and can provide energy substances necessary for human survival. Its postprandial blood glucose response has a significant positi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/21A23L33/12A23L5/30
CPCA23L33/21A23L33/12A23L5/32A23V2002/00A23V2200/30A23V2200/328A23V2250/082A23V2250/188A23V2250/5118A23V2300/10A23V2300/48
Inventor 王宏伟刘兴丽张艳艳张华杨晓娟许可王艳
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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