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Method for extracting natural (+)-borneol from camphor tree branches and leaves

A technology of natural d-borneol and camphor tree, applied in organic chemistry methods, separation/purification of hydroxyl compounds, organic chemistry, etc., can solve the problems of low economic value, low crystal purity, low extraction rate, etc., and achieve low production cost. , the effect of high purity and high extraction rate

Inactive Publication Date: 2018-06-01
寻乌县绿之源生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Said method directly distills the pulverized camphor tree branches and leaves, and there are low extraction rates, low crystal purity, and small defects of economic value

Method used

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Embodiment Construction

[0014] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below to further illustrate the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments.

[0015] Get 100 kilograms of camphor tree branches and leaves, wash them, and grind them into paddle liquid; add 0.2 kilograms of alcohol with a concentration of 98% to the camphor tree branches and leaves slurry, stir evenly, and seal them for 24 hours at 5 degrees Celsius; send the camphor tree branches and leaves slurry after catalytic treatment to Put it into a spiral stirring molecular still, stir at 0.8 pressure and 120 degrees Celsius, catalyze, fission, and sublimate; after 25 minutes, depressurize, extract the separation liquid and send it to a condenser for conde...

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Abstract

The invention relates to a method for extracting natural (+)-borneol from camphor tree branches and leaves. The method is characterized in that camphor tree branches and leaves are taken as raw materials, and the technical processes of smashing, catalytic treatment, catalytic cracking and sublimating, crystallization and chromatography are adopted. According to the method for extracting the natural (+)-borneol from the camphor tree branches and leaves, alcohol is added into camphor tree branch and leaf slurry, so that effective components extracted from the camphor tree branches and leaves canbe increased greatly, and the purity of an extracted low-purity natural (+)-borneol crystal can be increased to 98 percent or more by chromatography. The method for extracting the natural (+)-borneolfrom the camphor tree branches and leaves has the advantages of high extraction rate, high purity, saving of a large quantity of valuable natural resources, small fixed asset investment, low production cost, easiness in operation and suitability for industrial production.

Description

technical field [0001] The invention relates to a method for extracting natural d-borneol, in particular to a method for extracting natural d-borneol from branches and leaves of camphor tree. Background technique [0002] Natural d-borneol is extracted from the resin of camphor tree, and invention patent ZL92106841.7 discloses a method for extracting natural d-borneol from the branches of camphor tree. In the distillation pot, under the pressure of 760-960mmHg, 80-110 degrees Celsius, distill and sublimate with water vapor, pass it into the condenser to cool, condense into crystals and mother liquor, and then concentrate and dry the mother liquor. Said method directly distills the pulverized camphor tree branches and leaves, which has the disadvantages of low extraction rate, low crystal purity and low economic value. Contents of the invention [0003] (1) Technical problems to be solved [0004] The purpose of this invention is to provide a kind of extraction rate heigh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C29/74C07C29/76C07C29/78C07C35/30
CPCC07C29/74C07B2200/13C07C29/76C07C29/78C07C35/30
Inventor 陈雄辉
Owner 寻乌县绿之源生物科技有限公司