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Energy-saving concentration process for extracting active ingredients of plants and concentration device thereof

A technology of active ingredients and extraction devices, which is applied in the field of biological separation and extraction, can solve problems such as destruction, denaturation of active ingredients, reduction of extract quality and efficacy, and achieve the effects of good quality, reduced oxidative denaturation and loss, and energy saving

Active Publication Date: 2012-07-18
云南活草堂生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the existing technology requires long-term heating, causing denaturation or even destruction of active ingredients, which greatly reduces the quality and efficacy of the extract.

Method used

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  • Energy-saving concentration process for extracting active ingredients of plants and concentration device thereof
  • Energy-saving concentration process for extracting active ingredients of plants and concentration device thereof
  • Energy-saving concentration process for extracting active ingredients of plants and concentration device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This example is a pilot test for the extraction and concentration of Radix isatidis. Take 200 kg of crude extract from the extraction device 1, and centrifuge it in a sedimentation centrifuge to obtain a clarified liquid. The clarified liquid is cooled to 35°C and enters the concentration circulation tank 5. From the clarified The liquid is pumped into the microfiltration device (the pore size is 2 μm), and the permeate enters the membrane concentration device, and is concentrated in circulation for 20 minutes to obtain the concentrate and water solvent (permeate). The specific analysis results are shown in the table below.

[0040] Concentration effect analysis:

[0041] project Raw material liquid Concentrate Permeate Concentration rate Test results 200kg 39kg 161 80.5％

[0042] Permeate analysis results:

[0043] Analysis Project Chroma Turbidity naked eye TDS Conductivity hardness COD Test results ...

Embodiment 2

[0047] This embodiment is a test of performing membrane centrifugation and concentration on the extract solution eluted from the ethanol chromatography column of Panax notoginseng. Take 20L of the ethanol extract of Panax notoginseng and send it into the device of the present invention to carry out membrane centrifugal separation and concentration according to the process of the present invention. After circulating for 25 minutes, concentrate and ethanol solvent (permeate) were obtained, and the specific analysis results were as follows.

[0048]

[0049] Features of the present invention:

[0050] 1. Simple structure, simple process flow, short working time and high efficiency;

[0051] 2. Concentrate without heating, energy saving and environmental protection, more than 90% energy saving compared with the existing technology;

[0052] 3. Concentration without heating reduces the oxidative denaturation and loss of active ingredients caused by evaporation and concentration...

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Abstract

The invention discloses an energy-saving concentration process for extracting active ingredients of plants and a concentration device thereof. The process of the invention comprises the steps of solvent extraction, centrifugal separation, filtration and film concentration. The concentration device comprises an extraction device, a centrifugal separation device, a filtration device and a film concentration device which form a closed circulation system. By using a film centrifugal separation technology for replacing the evaporation method of the prior art for concentrating, the concentration device of the invention has the advantages of simple structure and high working efficiency; the active ingredients of plants are concentrated without being heated; compared with the prior art, the energy is saved by more than 90%; and simultaneously, oxidative degeneration and loss of the active ingredients are reduced, the extraction rate is higher, and the quality is better. In the invention, a closed process system of extraction, separation and concentration is formed, and a heat exchange device is arranged in the closed process system, thereby being favorable for improving the utilization rate of heat energy.

Description

Technical field: [0001] The invention belongs to the technical field of biological separation and extraction, specifically relates to the extraction technology of plant active ingredients, and more specifically relates to an energy-saving and energy-saving method for extracting plant active ingredients based on membrane separation technology, which can effectively prevent the loss of oxidative denaturation of active ingredients during the extraction process. Process and its concentration unit. Background technique: [0002] The existing technology for extracting active ingredients of plants is to first place the plants in an extraction tank for heating extraction, usually water extraction or ethanol extraction for one or two times, and the extract is subjected to centrifugal clarification or filtration and then evaporated under reduced pressure to obtain the extract. The water extraction and alcohol precipitation method used in the prior art also needs to evaporate ethanol t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02B01D61/02B01D61/14A61K36/19A61K36/315A61P11/04A61P31/04A61P31/12
Inventor 戴群
Owner 云南活草堂生物科技有限公司
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