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Method for extracting apple polyphenol from apple peel

A technology of apple polyphenols and apple peels, which is applied in the field of extracting apple polyphenols from peels, can solve the problems of low yield, achieve the effects of easy repeatability, simple operation, and avoiding environmental pollution

Inactive Publication Date: 2017-09-29
GUILIN RONGTONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the development specifications of domestic pharmaceutical intermediate apple polyphenol products have: five specifications of purity 20%, 40%, 50%, 75% and 8%, all of which are extracted and prepared from young apple fruits, and the yield is very low (1g / 5000 Grape fruit)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for extracting peeled apple polyphenols from apple peels, comprising the following preparation steps:

[0025] 1) drying the apple peel and crushing it to 100 mesh to obtain apple peel powder;

[0026] 2) Add deionized water with 8 times the weight of apple peel powder and process it with a high-speed shearer at a speed of 6000r / min for 8 minutes to obtain apple peel powder;

[0027] 3) Treat the apple peel powder slurry with high-pressure micro-jet ultrafine pulverization equipment at 30° C., the processing pressure is 55 MPa, and the processing times are 2 times;

[0028] 4) Continue to add 4 times the weight of apple peel powder slurry and extract with deionized water for 50 minutes;

[0029] 5) Filtrate with an ultrafiltration membrane with a molecular weight cut-off of 80,000 Daltons to obtain the retentate, then filter it with an ultrafiltration membrane with a molecular weight cut-off of 200,000 Daltons, and dry it in vacuum to obtain apple polyphenols,...

Embodiment 2

[0031] A method for extracting peeled apple polyphenols from apple peels, comprising the following preparation steps:

[0032] 1) drying the apple peel and crushing it to 150 mesh to obtain apple peel powder;

[0033] 2) Add deionized water 7 times the weight of the apple peel powder and process it with a high-speed shearer at a speed of 6500r / min for 10 minutes to obtain the apple peel powder slurry;

[0034] 3) Treat the apple peel powder slurry with high-pressure micro-jet ultrafine pulverization equipment at 30°C, the processing pressure is 60MPa, and the processing times are 4 times;

[0035] 4) Continue to add 5 times the weight of apple peel powder slurry and extract with deionized water for 60 minutes;

[0036] 5) Filtrate with an ultrafiltration membrane with a molecular weight cut-off of 70,000 Daltons to obtain the retentate, then filter it with an ultrafiltration membrane with a molecular weight cut-off of 220,000 Daltons, and dry it in vacuum to obtain apple poly...

Embodiment 3

[0038] A method for extracting peeled apple polyphenols from apple peels, comprising the following preparation steps:

[0039] 1) drying the apple peel and crushing it to 150 mesh to obtain apple peel powder;

[0040] 2) Add deionized water with 5 times the weight of apple peel powder and process it with a high-speed shearer at a speed of 7000r / min for 12min to obtain apple peel powder slurry;

[0041] 3) Treat the apple peel powder slurry with a high-pressure micro-jet ultrafine pulverization equipment at 30° C., the processing pressure is 65 MPa, and the processing times are 3 times;

[0042] 4) Continue to add 4 times the weight of apple peel powder slurry and extract with deionized water for 70 minutes;

[0043] 5) Filter with an ultrafiltration membrane with a molecular weight cut-off of 50,000 Daltons to obtain the retentate, then filter it with an ultrafiltration membrane with a molecular weight cut-off of 250,000 Daltons, and dry it in vacuum to obtain apple polypheno...

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PUM

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Abstract

The invention belongs to the technical field of natural material extraction, and particularly relates to a method for extracting apple polyphenol from apple peel. The method comprises the following steps of (1) drying and crushing the apple peel to obtain apple peel powder; (2) adding de-ionized water being 3 to 8 times of the weight of the apple peel powder; performing treatment for 8 to 15 min at the rotating speed of 6000 to 9000 r / min by a high-speed shearing instrument to obtain apple peel powder pulp; (3) processing the apple peel powder pulp at 30 DEG C by high-pressure micro jet flow ultrafine crushing equipment at the processing pressure of 55 to 75 MPa for 2 to 4 times; (4) then, continuously adding de-ionized water being 2 to 5 times of the weight of the apple peel powder pulp for leaching; (5) performing filtering and drying to obtain the apple polyphenol. The method has the advantage that the ultra-high-purity apple polyphenol can be obtained through preparation without using any solvents.

Description

technical field [0001] The invention belongs to the technical field of natural product extraction, in particular to a method for extracting peeled apple polyphenols from apple peels. Background technique [0002] Apple polyphenols is a general term for polyphenols contained in apples. Polyphenols are widely found in fruits and vegetables. The content of polyphenols in apples varies with maturity, and the content of polyphenols in unripe fruits is 10 times that of mature fruits. Therefore, it is advisable to use immature fruit to extract apple polyphenols. Crude apple polyphenols contain chlorogenic acid, catechin, epicatechin, apple condensed tannins, phlorizin, phloretin, anthocyanins, etc. Among them, apple condensed tannin accounts for about half of the total polyphenol content. Application of apple polyphenols Because apple polyphenols have anti-oxidation, deodorizing, fresh-keeping, fragrance-preserving, color-protecting, and vitamin loss prevention functions, they ca...

Claims

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Application Information

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IPC IPC(8): A23L33/105
CPCA23L33/105A23V2002/00A23V2250/21
Inventor 佘延英
Owner GUILIN RONGTONG TECH CO LTD