Method for extracting blood-sugar-lowering banana flower polysaccharide from banana flowers

A banana flower and hypoglycemic technology, which is applied to pharmaceutical formulations, medical preparations containing active ingredients, metabolic diseases, etc., can solve the problems of waste of raw materials, low extraction rate of polysaccharides from banana flowers, low extraction rate of polysaccharides, etc., and achieves accelerated leaching. , Efficient extraction of hypoglycemic banana flower polysaccharide, reducing the effect of protein content

Inactive Publication Date: 2018-05-01
AGRI PROD PROCESSING INST GUANGXI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unsaturated diffusion stage, that is, due to the consumption of the second stage, the remaining polysaccharides in the raw material cannot maintain the solute in the infiltrated water phase to reach the dissolved saturation state, and the solute concentration in the infiltrated water phase continues to decrease, but the solute still diffuses to the main body of the water phase. , then the protein is in a dominant position. During the extraction process, the polysaccharides are difficult to release from the plant cells and remain in the raw material itself, resulting in a low extraction rate of polysaccharides; moreover, the current process only extracts the raw materials once, without Recycling causes waste of raw materials and keeps the extraction rate of banana flower polysaccharides at a low level for a long time

Method used

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  • Method for extracting blood-sugar-lowering banana flower polysaccharide from banana flowers
  • Method for extracting blood-sugar-lowering banana flower polysaccharide from banana flowers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. Preparation of ferrocene self-assembled hollow microspheres: in parts by weight, mix 10 parts of polyacrylamide and 50 parts of ethylene glycol solution evenly, put them into the reactor, and then mix them with 0.2mL / min Add 5 parts of an ethanol solution with a mass fraction of 7% ferrocene formaldehyde dropwise at a high speed, and react for 2 hours at a temperature of 75°C and a stirring speed of 100r / min, then cool at 5°C for 15 minutes, and add 2 parts in three times Sodium borohydride, continue to stir for 1h, after vacuum distillation and drying, add 50mL of aqueous solution, then place it in an environment of 5°C for 12h, then treat it under the condition of ultrasonic power of 1000W for 20min, filter and dry the filter residue , placed in a tube furnace, calcined at 250° C. for 45 minutes, and finally ground to obtain ferrocene self-assembled hollow microspheres.

[0026] The substance prepared above is used in the following method for extracting hypoglycemi...

Embodiment 2

[0034] 1. Preparation of ferrocene self-assembled hollow microspheres: in parts by weight, mix 10 parts of polyacrylamide and 50 parts of ethylene glycol solution evenly, put them into the reactor, and then mix them with 0.2mL / min Add 5 parts of an ethanol solution with a mass fraction of 10% ferrocene formaldehyde dropwise at a high speed, and react for 2 hours at a temperature of 77°C and a stirring speed of 120r / min, then cool at 5°C for 15 minutes, and add 2 parts in three times Sodium borohydride, continue to stir for 1h, after vacuum distillation and drying, add 50mL of aqueous solution, then place it in an environment of 5.5°C for 12h, then treat it under the condition of ultrasonic power of 1100W for 27min, filter and dry the filter residue , placed in a tube furnace, calcined at 250° C. for 50 min, and finally ground to obtain ferrocene self-assembled hollow microspheres.

[0035] The substance prepared above is used in the following method for extracting hypoglycemic...

Embodiment 3

[0043] 1. Preparation of ferrocene self-assembled hollow microspheres: in parts by weight, mix 10 parts of polyacrylamide and 50 parts of ethylene glycol solution evenly, put them into the reactor, and then mix them with 0.2mL / min Add 5 parts of an ethanol solution with a mass fraction of 12% ferrocene formaldehyde dropwise at a high speed, and react for 2 hours at a temperature of 78°C and a stirring speed of 150r / min, then cool at 5°C for 15 minutes, and add 2 parts in three times Sodium borohydride, continue to stir for 1h, after vacuum distillation and drying, add 50mL of aqueous solution, then place it in an environment of 6°C for 12h, then treat it under the condition of ultrasonic power of 1200W for 24min, filter and dry the filter residue , placed in a tube furnace, calcined at 250° C. for 60 min, and finally ground to obtain ferrocene self-assembled hollow microspheres.

[0044] The substance prepared above is used in the following method for extracting hypoglycemic b...

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Abstract

The invention discloses a method for extracting blood-sugar-lowering banana flower polysaccharide from banana flowers. The method comprises the following steps of (1) crushing; (2) pretreatment: putting banana flower powder into a flask; then, putting the flask into an ultrasound instrument to be treated for 15 min under the conditions of the temperature being 40 to 50 DEG C and the ultrasound powder being 500W to obtain the pretreated banana flower powder; (3) extraction; (4) recovery treatment: putting filter slag into an extraction device; adding protein extracting agents and ferrocene selfassembly body hollow microspheres; performing extraction for 30min at 85 to 100 DEG C; adding hot water being 70 DEG C after liquid removal; performing extraction for 3h under the condition of the pHvalue being 6.5; standing for 12h, collecting water layer extraction liquid to obtain the recovered banana flower polysaccharide solution; (5) separation extraction. The banana flower polysaccharidewith the specified molecular weight can be efficiently extracted; the study basis is provided for the further development of the banana flower polysaccharide.

Description

【Technical field】 [0001] The invention relates to the field of polysaccharide extraction, in particular to a method for extracting blood sugar-lowering banana flower polysaccharide from banana flowers. 【Background technique】 [0002] Banana flower is the waste after bananas are ripe and picked. It is discarded in large quantities in the main banana producing areas of my country, but it has been eaten as vegetables and hypoglycemic medicinal materials in Southeast Asia for a long time. Banana flower is rich in calcium, iron, potassium and other minerals and dietary fiber, and has a high content of flavonoids, which has strong antioxidant activity. The water, chloroform, and ethanol extracts of banana flowers all have significant hypoglycemic and antioxidant activities, but the previous research on active substances mainly focused on the flavonoids in banana flowers, and there are few studies on other components in banana flowers. No studies were found on banana flower polysa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/00C08F8/28C08F20/56C08F4/40A61K31/715A61P3/10
Inventor 何雪梅孙健李丽李志春刘国明郑凤锦辛明盛金凤唐雅园李昌宝李杰民零东宁周主贵
Owner AGRI PROD PROCESSING INST GUANGXI ACADEMY OF AGRI SCI
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