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Method of using microchannel reactor to prepare coffee essence

A technology of micro-channel reactor and channel reactor, which is applied in the direction of coffee flavor, can solve the problems of research and unseen coffee flavor preparation process, and achieve the effects of improving efficiency, reducing the production of bad flavor substances, and being easy to upgrade and enlarge

Inactive Publication Date: 2017-09-05
ENZYMECODE BIOTECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there has been no research on the preparation process of coffee essence in the form of continuous flow in microchannel reactors.

Method used

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  • Method of using microchannel reactor to prepare coffee essence

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Embodiment 1: Utilize microchannel reactor to prepare coffee essence.

[0071] (1) Device: The micro-channel device adopts a self-made high-pressure micro-channel reactor. The length of the micro-channel is determined according to the flow rate and the reaction residence time. The channel length of each module used here is 10m, the pipe diameter is 0.1mm, and the heat transfer medium is heat-conducting oil. .

[0072] (2) Preparation of coffee essence:

[0073] A- Microchannel Reactor Preparation:

[0074]Control the residence time of the reaction system in each module by adjusting the flow rate of the delivery pump and the channel length of the microchannel, wherein the residence time in the first mixing module 1 is 30 seconds, and the residence time in the reaction module 2 is 30 seconds. The first high temperature module The residence time in 3 is 30 seconds, the residence time in the second mixing module 4 is 30 seconds, the residence time in the second high tempe...

Embodiment 2

[0082] Embodiment 2: Utilize microchannel reactor to prepare coffee essence.

[0083] (1) Apparatus: the same as that of Example 1.

[0084] (2) Preparation of coffee essence:

[0085] A- Microchannel Reactor Preparation:

[0086] Control the residence time of the reaction system in each module by adjusting the flow rate of the delivery pump and the passage length of the microchannel, wherein the residence time in the first mixing module 1 is 300 seconds, and the residence time in the reaction module 2 is 1200 seconds. The first high temperature module The residence time in 3 is 300 seconds, the residence time in the second mixing module 4 is 1200 seconds, the residence time in the second high temperature module 5 is 2200 seconds, and the residence time in the low temperature module 6 is 2200 seconds.

[0087] The temperature of each module of the reactor is controlled by the external circulation heat transfer oil system, wherein the temperature of the first mixing module 1 ...

Embodiment 3

[0094] Embodiment 3: Utilize microchannel reactor to prepare coffee essence.

[0095] (1) Apparatus: the same as that of Example 1.

[0096] (2) Preparation of coffee essence:

[0097] A- Microchannel Reactor Preparation:

[0098] Control the residence time of the reaction system in each module by adjusting the flow rate of the delivery pump and the channel length of the microchannel, wherein the residence time in the first mixing module 1 is 100 seconds, and the residence time in the reaction module 2 is 300 seconds. The first high temperature module The residence time in 3 is 200 seconds, the residence time in the second mixing module 4 is 500 seconds, the residence time in the second high temperature module 5 is 500 seconds, and the residence time in the low temperature module 6 is 500 seconds.

[0099] The temperature of each module of the reactor is controlled by the external circulation heat transfer oil system, wherein the temperature of the first mixing module 1 is 3...

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Abstract

The present invention relates to a method of using a microchannel reactor to prepare coffee essence. The method comprises the following steps: step 1, a coffee bean enzymolysis reaction solution and an enzyme solution are pumped into the microchannel reactor, the materials are mixed in a first mixing module, and the mixture enters into a reaction module to be subjected to an enzymolysis reaction; step 2, an activity of enzymes is inactivated using a high temperature and the enzymolysis reaction is terminated; step 3, a reaction system is fully mixed with reducing sugar and refined oil to obtain a mixed reaction system; step 4, the mixed reaction system enters a second high temperature module, a temperature is rapidly increased to the temperature required by a technology, and a Maillard thermal reaction is conducted; and step 5, the reaction system flows through a low temperature module and flows out the microchannel reactor to obtain the coffee essence crude products. The method can accurately control the enzymolysis processes and can conduct the rapid and accurate control of the temperature of the thermal reaction and the temperature of a post-treatment. The microchannel reactor is free of amplification effects and easy to upgrade and amplify, and can realize the seamless amplification from research and development to production.

Description

technical field [0001] The invention belongs to the technical field of food, and in particular relates to a method for preparing coffee essence in a microchannel reactor. Background technique [0002] The processing technology of coffee beans directly affects the flavor of coffee products. [0003] At present, the processing of coffee adopts the traditional production process: the coffee beans are roasted and roasted at high temperature to produce a strong flavor. In the whole process, roasting and roasting is the key aroma production process. The flavor substances of coffee are mainly composed of reducing sugar and amino acids in coffee beans. It is formed through the Maillard reaction during the roasting and heating process, mainly including nitrogen-containing heterocyclic compounds represented by pyrazine, caramelization reaction products, and oil oxidation products. However, the aroma production process of this traditional process is difficult to be accurately controll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F5/48
CPCA23F5/48
Inventor 袁永红郭旭杨贺曾嘉明
Owner ENZYMECODE BIOTECHNOLOGY CO LTD
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