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Process for extracting chlorogenic acid from green coffee beans

A technology of green coffee beans and chlorogenic acid is applied in the preparation of carboxylate, the preparation of organic compounds, organic chemistry and other directions, which can solve the problems of large consumption of organic reagents, poor product quality, environmental pollution and other problems, and achieve good product quality, The effect of low cost and high process extraction rate

Active Publication Date: 2020-09-29
YOROYAL PHARM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solvent extraction requires a large amount of organic reagents, pollutes the environment, and has a low yield; although microwave-assisted extraction is faster than solvent extraction, the yield is still low
At present, the existing methods for extracting chlorogenic acid from green coffee beans have problems such as low extraction rate and poor product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1, a kind of technique of extracting chlorogenic acid from green coffee bean

[0025] The described process of extracting chlorogenic acid from green coffee beans comprises the following steps:

[0026] S1 crushes the green coffee beans and passes through an 80-mesh sieve to obtain green coffee bean micropowder;

[0027] S2 pulverize the green coffee bean micropowder obtained in step S1 to 10 μm to obtain green coffee bean wall-broken powder;

[0028] S3 adds the green coffee bean wall-breaking powder obtained in step S2 into a ball mill for wet ball milling, the mass ratio of green coffee bean wall-breaking powder to water is 1:4, ball milling twice, the first time is fast ball milling, fast ball milling The speed of the ball mill is 2000r / min, and the ball milling time is 1h; the second time is slow ball milling, the speed of the ball mill is 300r / min during the slow ball milling, and the ball milling time is 20min, to obtain green coffee bean ball milled ...

Embodiment 2

[0031] Embodiment 2, a kind of technique of extracting chlorogenic acid from green coffee bean

[0032] The described process of extracting chlorogenic acid from green coffee beans comprises the following steps:

[0033] S1: Pulverize the green coffee beans and pass through a 120-mesh sieve to obtain green coffee bean micropowder;

[0034] S2 crushing the green coffee bean micropowder obtained in step S1 to 30 μm to obtain green coffee bean wall-broken powder;

[0035] S3 joins the green coffee bean wall breaking powder obtained in step S2 into a ball mill for wet ball milling, the mass ratio of green coffee bean wall breaking powder to water is 1:7, ball milling twice, the first time is fast ball milling, fast ball milling The speed of the ball mill is 2500r / min, and the ball milling time is 2h; the second time is slow ball milling, the speed of the ball mill is 400r / min during the slow ball milling, and the ball milling time is 30min, to obtain green coffee bean ball millin...

Embodiment 3

[0038] Embodiment 3, a kind of technique of extracting chlorogenic acid from green coffee bean

[0039] S1: Pulverize the green coffee beans and pass through a 120-mesh sieve to obtain green coffee bean micropowder;

[0040] S2 pulverize the green coffee bean micropowder obtained in step S1 to 20 μm to obtain green coffee bean wall-broken powder;

[0041] S3 joins the green coffee bean wall breaking powder obtained in step S2 into a ball mill for wet ball milling, the mass ratio of green coffee bean wall breaking powder to water is 1:6, ball milling twice, the first time is fast ball milling, fast ball milling The speed of ball mill is 2200r / min, and the ball milling time is 17min; The second time is slow ball milling, and the speed of ball mill is 350r / min during slow ball milling, and the ball milling time is 6min, gets green coffee bean ball milling powder;

[0042] S4 put the green coffee bean ball-milled wall-broken powder obtained in step S3 in a container, add water, the...

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Abstract

The invention belongs to the technical field of chlorogenic acid extraction, and particularly relates to a process for extracting chlorogenic acid from green coffee beans. The process for extracting chlorogenic acid from the green coffee beans comprises the following steps: crushing the green coffee beans; crushing the green coffee bean micro powder; carrying out ball milling on the obtained greencoffee bean wall-broken powder twice; putting the ball-milled wall-broken powder of the green coffee beans into a container; adding water and soaking, adding stabilizers, carrying out ultrasonic treatment, adding bromine ion liquid, adding tween-20, uniformly stirring, carrying out ultrasonic treatment, carrying out suction filtration, adding dipotassium phosphate, stirring until dipotassium phosphate is dissolved, centrifuging, filtering to obtain filtrate, carrying out reduced pressure distillation and concentration on the filtrate, eluting the concentrate, removing impurities, adding ammonium sulfate, extracting, adding activated carbon to remove impurities, carrying out reduced pressure distillation and concentration, extracting a chlorogenic acid crude product, and drying at constanttemperature to obtain a chlorogenic acid finished product. The process for extracting chlorogenic acid from green coffee beans provided by the invention is high in extraction rate, simple in process,low in cost and easy for industrial implementation, and the obtained product is good in quality.

Description

technical field [0001] The invention belongs to the technical field of chlorogenic acid extraction, in particular to a process for extracting chlorogenic acid from green coffee beans. Background technique [0002] Green coffee beans are the seeds of the Rubiaceae coffee tree. The cultivation of coffee beans in my country is mainly concentrated in Yunnan and Hainan provinces. Coffee beans are rich in active substances, and chlorogenic acid and its homologues are the main polyphenolic active ingredients in coffee beans. Chlorogenic acids have various biological activities such as anti-oxidation, anti-virus, anti-cancer, antibacterial, and cellulite. The latest research by American scientists believes that green coffee bean extract has good functions such as weight loss and lowering blood pressure. At present, a variety of health products with green coffee bean extract as the main component have been introduced to the market in large quantities. [0003] The chlorogenic acid ...

Claims

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Application Information

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IPC IPC(8): C07C67/56C07C67/58C07C67/54C07C67/62C07C69/732A61P39/06
CPCA61P39/06C07C67/54C07C67/56C07C67/58C07C67/62C07C2601/14C07C69/732
Inventor 王中振谢涛刘家生
Owner YOROYAL PHARM TECH CO LTD
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