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Preparation process of sclareol

A technology for sclareol and preparation process, applied in the field of plant extraction, can solve the problems of high extraction temperature, waste, long extraction time and the like

Pending Publication Date: 2021-04-20
西安天美生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional Sclare alcohol extraction method is intermittent extraction, the extraction time is long, the amount of solvent used is large, the extraction temperature is high, the energy consumption is high, the extraction efficiency is low, and the extraction yield is low (the extraction yield is based on the extracted Clary The net content of sclareol in the extract is calculated, and the content of sclareol is compared with the content of sclareol in gas phase detection. The extraction yield of traditional methods is generally less than 90%, mostly around 80%), resulting in relatively large waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 2000Kg of pulverized Claris hay is uniformly added to the feed port of the continuous countercurrent extractor at a constant rate, and at the other end of the solvent feed port, 6500Kg petroleum ether is added to the continuous countercurrent extractor at a constant rate. Control the extraction temperature of the extractor to 60°C, control the extraction time to 90 minutes according to the amount of materials and solvents, pump the material liquid into the solvent recovery tank to recover the solvent, remove the residual petroleum ether under reduced pressure in the concentration tank, and obtain Fragrant Purple Su extractum 66.4Kg, wherein the content of sclareol is 52.3%, and the extraction yield is 91.4%.

Embodiment 2

[0022] Add 2000Kg of pulverized Claris hay to the feeding port of the continuous countercurrent ultrasonic extractor at a constant rate, and add 6500Kg of petroleum ether to the continuous countercurrent ultrasonic extractor at a constant rate in the solvent feeding port at the other end In the process, control the extraction temperature of the extractor to 50°C, control the extraction time to 60 minutes according to the amount of material and solvent, control the ultrasonic power to 60KW, pump the material liquid into the solvent recovery tank to recover the solvent, and remove the concentration tank under reduced pressure The residual petroleum ether was used to obtain 74.6Kg of Sclareus extract, wherein the content of sclareol was 51.9%, and the extraction yield was 101.5%.

Embodiment 3

[0026] Add 2000Kg of crushed Claris hay to the feed port of the continuous countercurrent ultrasonic extractor at a constant rate, and add 6500Kg of methanol to the continuous countercurrent ultrasonic extractor at a constant rate in the solvent feed port at the other end , control the extraction temperature of the extractor to 50°C, control the extraction time to 60 minutes according to the amount of material and solvent, control the ultrasonic power to 60KW, pump the material liquid into the solvent recovery tank to recover the solvent, and depressurize the concentration tank to remove the residual methanol to obtain 78.9Kg of Sclare extract, wherein the content of sclareol is 50.3%, and the extraction yield is 104.2%.

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Abstract

The invention discloses a preparation process of sclareol, and relates to the technical field of plant extraction. According to the preparation process of sclareol, sclareol is used as a raw material, an organic solvent is used as a solvent, and after continuous countercurrent extraction and solvent recovery, a sclareol product is prepared. According to the preparation process of sclareol disclosed by the invention, while the advantages of various traditional processes are retained, the following advantages which cannot be achieved by the traditional processes are created: the extraction speed is high, the effective components are fully extracted, the extraction yield is high, the solvent consumption is low, the feed liquid concentration is high, evaporation and concentration are reduced and the like; the extraction time is short, materials are extracted in a mild dynamic environment, the heating temperature is low, effective components are less damaged, the content of impurities in feed liquid is low, and the process belongs to continuous production and is high in treatment capacity.

Description

technical field [0001] The invention relates to the technical field of plant extraction, in particular to a preparation process of sclareol, in particular to a technical process for preparing sclareol extract from dry grass of Sclareus. Background technique [0002] Sclareol is a natural raw material for the synthesis of high-grade ambergris flavor ambrox and tobacco flavoring agent sclareolactone. It is a natural fragrance obtained by extracting and separating the flowers, leaves and stems of the natural plant Clarisula, and then purified. The traditional Sclare alcohol extraction method is intermittent extraction, the extraction time is long, the amount of solvent used is large, the extraction temperature is high, the energy consumption is high, the extraction efficiency is low, and the extraction yield is low (the extraction yield is based on the extracted Clary The net content of sclareol in the extract is calculated, and the content of sclareol is compared with the con...

Claims

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Application Information

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IPC IPC(8): C07C29/76C07C29/78C07C35/36
Inventor 张斌胡永卫吝军良
Owner 西安天美生物科技股份有限公司
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