Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation of longan seed resistant starch

A technology of nuclear resistance and longan kernel, which is applied in the field of preparation of longan kernel resistant starch, can solve the problems of poor development and utilization, waste of resources, less research on longan kernel resistant starch, etc., and achieve an increase in application range, Effect of reduced sugar content and high yield

Inactive Publication Date: 2017-12-22
AGRI PROD PROCESSING INST GUANGXI ACADEMY OF AGRI SCI
View PDF2 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, longan kernels are generally used to cultivate seedlings or as firewood, which has not been well developed and utilized, which is a waste of resources, and there are few studies on longan kernel resistant starch

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation of longan seed resistant starch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of preparation of longan kernel resistant starch, specifically comprises the following steps:

[0029] (1) After selecting fresh longan kernels to remove impurities and clean them, remove the epidermis and crush them, pour them into a beater for beating, filter with a 90-mesh sieve to obtain starch slurry, and set aside;

[0030] (2) Add glucose oxidase that accounts for 5% of the volume of the starch slurry in step (1) to the starch slurry in step (1), add 2 times aseptic water and stir evenly, then enzymatically react at 30°C for 1 hour, and beat with D201 Pore ​​resin anion exchange obtains filtrate, standby;

[0031] (3) add citric acid-acetic acid solution in the filtrate of step (2), leave standstill 10min, then add tris hydroxymethyl aminomethane buffer solution to adjust pH value, adjust to pH value 7, obtain starch liquid, for subsequent use;

[0032] (4) Toughen the starch solution in step (3), wherein the water content is 40%, the temperature is 60°C,...

Embodiment 2

[0038] A kind of preparation of longan kernel resistant starch, specifically comprises the following steps:

[0039] (1) After selecting fresh longan kernels to remove impurities and clean them, remove the epidermis and crush them, pour them into a beater for beating, filter through a 100-mesh sieve to obtain starch slurry, and set aside;

[0040] (2) Add glucose oxidase, which accounts for 6.5% of the volume of the starch slurry in step (1), to the starch slurry in step (1), add 2.5 times of sterile water and stir evenly, then enzymatically react at 33°C for 1.5h, and pass through D201 Perforated resin anion exchange obtains filtrate, standby;

[0041] (3) Add citric acid-acetic acid solution to the filtrate of step (2), let it stand for 13 minutes, then add tris buffered solution to adjust the pH value, and adjust the pH value to 8 to obtain the starch liquid for subsequent use;

[0042] (4) Perform toughening treatment on the starch liquid in step (3), wherein the water co...

Embodiment 3

[0048] A kind of preparation of longan kernel resistant starch, specifically comprises the following steps:

[0049] (1) After selecting fresh longan kernels to remove impurities and clean them, remove the epidermis and break them, pour them into a beater for beating, filter with a 105-mesh sieve to obtain starch slurry, and set aside;

[0050] (2) Add glucose oxidase, which accounts for 8% of the volume of the starch slurry in step (1), to the starch slurry in step (1), add 3 times of sterile water and stir evenly, then enzymatically react at 35°C for 2 hours, and beat with D201 Pore ​​resin anion exchange obtains filtrate, standby;

[0051] (3) Add citric acid-acetic acid solution to the filtrate of step (2), let it stand for 15 minutes, then add tris buffered solution to adjust the pH value, and adjust the pH value to 9 to obtain the starch liquid for subsequent use;

[0052] (4) toughen the starch liquid in step (3), wherein the moisture content is 60%, the temperature is...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of food processing and in particular relates to preparation of longan seed resistant starch. The preparation method comprises the following steps: crushing and pulping longan seeds, and treating and filtering with glucose oxidase, so that the sugar content is reduced; adding a citric acid-acetic acid solution and a tris(hydroxymethyl) aminomethane buffer solution to regulate the pH value; performing toughening treatment and enzymolysis, and performing microwave combination ultrasonic treatment, so that the yield is improved; and finally, gelatinizing, filtering and drying and the like, thereby obtaining the final product. The whole preparation process is simple and easy to operate. The longan seed resistant starch prepared by the method disclosed by the invention is low in sugar content and low in viscosity, the content of the resistant starch is effectively improved, and the yield reaches 34%. Moreover, the preparation process is simple and easy to produce, the product can serve as a functional food raw material to be added into high-fiber foods and can further serve as a low-energy filling agent to be applied to low-sugar, low-fat and weight-reducing foods, and the application range is widened.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to the preparation of longan kernel resistant starch. Background technique [0002] Resistant starch cannot be absorbed in the human small intestine and does not produce energy, but it can ferment with volatile fatty acids in the human large intestine to increase the amount of defecation, so it can be used to treat constipation. Resistant starch can also reduce blood sugar, serum cholesterol and other physiological functions, so it is suitable for diabetics and obese patients, and can prevent cardiovascular diseases. Resistant starch has processing characteristics such as low water holding capacity, and can be used to improve food processing technology, increase food crispness, expansion, and improve the texture of the final product. It can be added to food in an appropriate amount to make food with different characteristics and flavors. Functional food is widely used in th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08B30/12C08B30/18C12P19/04C12P19/14C12P19/16
Inventor 李丽孙健李昌宝何雪梅盛金凤零东宁郑凤锦辛明李杰民刘国明李志春周主贵唐雅园易萍
Owner AGRI PROD PROCESSING INST GUANGXI ACADEMY OF AGRI SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com