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Production process of peppermint oil

A production process, the technology of mint oil, applied in the field of chemical industry, can solve the problems of complex components of mint oil, loss of volatile oil, low quality, etc., and achieve the effect of narrowing the range of collected fractions, uniform product phase, and uniform product phase

Inactive Publication Date: 2017-05-10
HUANGSHAN TIANMU MINT PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Peppermint oil is a volatile oil obtained by extracting mint crude oil from the fresh stems and leaves of natural mint, freezing and partially debraining, but the extracted mint oil is often complex in composition and mixed with debrained impurities, so the quality is not high
In order to obtain better quality peppermint oil, it is necessary to strictly control the separation and distillation conditions in the process of producing peppermint oil, but it is easy to cause too much separated oil residue, and some volatile oil is mixed in the oil residue and is lost, resulting in waste.

Method used

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  • Production process of peppermint oil
  • Production process of peppermint oil
  • Production process of peppermint oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1) Stand still: put the qualified peppermint crude oil in a static tank, keep the temperature at 40-60°C, keep the mint crude oil in a liquid state without freezing, and let it stand for 24 hours. After the standing is completed, separate the water and impurities at the bottom, and remove The water impurities in the raw materials are beneficial to freeze-out to obtain a purer product.

[0022] 2), one-time freeze-out: adopt the mixture of the mint crude oil and ice oil after standing, the ice oil is the mother liquor after crystallization in the process of producing menthol, and the mixing mass ratio of the mint crude oil and ice oil is 2:0.8 , input the mixed material into the freeze-out tank, feed low-temperature brine into the coil of the freeze-out tank, and turn on the frozen brine pump to cool down gradually, and the amount of brine pumped increases from small to large. When the temperature of the brine reaches -26 to -30°C, the refrigeration is stopped, and the b...

Embodiment 2

[0027] 1) Stand still: put the qualified peppermint crude oil in a still tank, keep the temperature at 40-60°C, let stand for 23 hours, and separate the water and impurities at the bottom after the stand is completed.

[0028] 2), one-time freeze-out: adopt the mixture of mint crude oil and ice oil after standing, the mixing mass ratio of described mint crude oil and ice oil is 2:0.5, the material after mixing is input in the freeze-out tank, gradually cool down, By controlling the freeze-out temperature, the amount of secondary oil is 40% to 50% of the total mass of raw materials.

[0029] 3), secondary freeze-out: adopt the mixture of two parts oil and ice oil, the mixing mass ratio of described two parts oil and ice oil is 1:1, input two parts oil and ice oil mixture in the freeze-out tank, and The primary freeze-out is similar, and the amount of crude oil is 50% to 60% of the total mass of the secondary oil and ice oil by controlling the freeze-out temperature.

[0030] 4...

Embodiment 3

[0033] 1) Stand still: put the mint crude oil that has passed the inspection in a still tank, keep the temperature at 40-60°C, and let it stand still for 25 hours. After the standing is completed, separate the water and impurities at the bottom.

[0034] 2), one-time freeze-out: adopt the mixture of mint crude oil and ice oil after standing, the mixing mass ratio of described peppermint crude oil and ice oil is 2:1, the material after mixing is input in the freeze-out tank, gradually cool down, By controlling the freeze-out temperature, the amount of secondary oil is 40% to 50% of the total mass of raw materials.

[0035] 3), secondary freeze-out: adopt the mixture of two parts oil and ice oil, the mixing mass ratio of described two parts oil and ice oil is 1:1.5, input two parts oil and ice oil mixture in the freeze-out tank, and The primary freeze-out is similar, and the amount of crude oil is 50% to 60% of the total mass of the secondary oil and ice oil by controlling the f...

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Abstract

The invention belongs to the technical field of chemical industry and aims at providing a production process of peppermint oil with high quality and purity. The production process comprises the following steps: standing, carrying out primary freezing and separation, carrying out secondary freezing and separation, distilling under reduced pressure and blending. The step of standing comprises the following step of separating moisture and water-soluble impurities from the raw materials; the step of the primary freezing and separation comprises the step of separating out primary menthol crystal oil and secondary oil; the step of the secondary freezing and separation comprises the step of separating out secondary menthol crystal oil and crude peppermint oil; the crude peppermint oil is decomposed, distilled and blended to obtain the peppermint oil. The step of distilling under reduced pressure is carried out in three days; fractions of the three days are separately collected, and are mixed and stirred in a blending process according to a ratio. According to the production process provided by the invention, an intermediate crude peppermint oil component produced in a production process is relatively simple and controllable; the peppermint oil prepared by distilling under reduced pressure and blending contains few impurities and has a good condition and high quality.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a production process of peppermint oil. Background technique [0002] Peppermint oil is a colorless or pale yellow clear liquid extracted from the stems and leaves of the traditional Chinese medicine Peppermint. It has a special cool aroma, with a pungent taste at the beginning and a cool after taste. It is an aromatic medicine, seasoning medicine and wind-dispelling medicine. It can be used on the skin or mucous membranes to produce a cooling sensation to relieve discomfort and pain. It has the functions of soothing the liver, regulating qi, and benefiting the gallbladder. It is mainly used for chronic calculous cholecystitis, chronic cholecystitis and gallstones, liver and gallbladder stagnation, and damp-heat stomach stagnation syndrome. Peppermint oil is a volatile oil obtained by extracting mint crude oil from the fresh stems and leaves of natural min...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/534C11B9/02
CPCA61K36/534C11B9/022C11B9/027
Inventor 汪莉萍方胜李祖岳
Owner HUANGSHAN TIANMU MINT PHARMA
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