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Method for extracting hyssop volatile oil

An extraction method and volatile oil technology, which are applied in the field of natural plant extraction products, can solve the problems of high extraction temperature, low volatile oil yield, long time consumption, etc., and achieve the effects of high extraction rate, short extraction time, and improved extraction rate.

Inactive Publication Date: 2014-10-01
NANJING ZELANG MEDICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of the steam distillation method is that the extraction temperature is high and the time-consuming is long, and it is easy to decompose the chemical components in the volatile oil that are unstable to humidity and heat and easy to oxidize, resulting in a low yield of volatile oil.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Dry and pulverize the herb, pass through a 20-mesh sieve, take 500g of powder, put it in a glass container, add 5 times of distilled water to soak for 1 hour, and extract continuously at 70°C for 60 minutes under the condition of ultrasonic frequency of 40KHz and power of 600W, and filter , the filtrate was concentrated under reduced pressure, extracted three times with n-hexane, combined the extracts, dried and dehydrated over anhydrous sodium sulfate, concentrated under reduced pressure to recover the solvent, and obtained a brown-yellow volatile oil with an aromatic smell, and the yield of the essential oil was 0.9%.

Embodiment 2

[0017] Dry and pulverize the herb, pass through a 20-mesh sieve, take 500g of powder, put it in a glass container, add 6 times of distilled water to soak for 2 hours, and extract continuously at 60°C for 70 minutes under the condition of ultrasonic frequency of 40KHz and power of 400W, and filter , the filtrate was concentrated under reduced pressure, extracted three times with ether, combined the extracts, dried and dehydrated over anhydrous sodium sulfate, concentrated under reduced pressure to recover the solvent, and obtained a brown-yellow volatile oil with an aromatic smell, and the yield of the essential oil was 1.2%.

Embodiment 3

[0019] Dry and pulverize the herb, pass through a 20-mesh sieve, take 500g of powder, put it in a glass container, add 7 times of distilled water to soak for 1.5h, and extract continuously at 50°C for 90min under the condition of ultrasonic frequency of 40KHz and power of 300W. Filtrate, concentrate the filtrate under reduced pressure, extract twice with cyclohexane, combine the extracts, dry and dehydrate over anhydrous sodium sulfate, concentrate under reduced pressure to recover the solvent, and obtain a brown-yellow volatile oil with an aromatic smell, and the yield of the essential oil is 0.8%.

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Abstract

The invention relates to a method for extracting hyssop volatile oil, and in particular relates to a method for extracting the hyssop volatile oil by using ultrasonic waves. The method comprises the following treatment steps: drying and crushing hyssop, treating by using a 80-mesh sieve, putting into a glass container, adding distilled water which accounts for 5-7 times of the weight of hyssop to soak for 1-2 hours, continuously extracting for 60-90 minutes at 60-70 DEG C under the condition that the ultrasonic frequency is 40KHz and the power is 300-600W, filtering, performing reduced pressure concentration on filtrate, extracting for 1-3 times by using an organic solvent, mixing the filtrates, performing drying and dehydration by anhydrous sodium sulfate, and performing reduced pressure concentration and solvent recovery to obtain brown yellow volatile oil with an aromatic odor. The method disclosed by the invention is used for extracting the hyssop volatile oil by ultrasonic waves, and is simple in process and low in energy consumption; the yield of the volatile oil is significantly higher than that of a conventional extraction method; the method disclosed by the invention is suitable for industrial production.

Description

technical field [0001] The invention relates to a method for extracting the volatile oil of the herbal herb, in particular to a method for ultrasonically extracting the volatile oil of the herb herb, which belongs to the technical field of natural plant extraction products. Background technique [0002] Divine vanilla, also known as rhinoceros or hyssop, is the dried whole herb of the Labiatae plant, Divine vanilla, which belongs to the genus Divine vanilla. It is a traditional herbal medicine used by Uyghurs. Uighurs call it "Zupa", and it is widely used by Uighur medicine to treat coughs. , asthma, bronchitis, trauma and rheumatism. It is recorded in "Uyghur Medicine Chronicle": the whole plant contains volatile oil, which has the effects of clearing abnormal mucus, promoting the body's natural easy-going, relieving cough and reducing phlegm, relieving asthma and benefiting lungs. In recent years, studies have shown that the volatile oil of the herb has pharmacological ac...

Claims

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Application Information

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IPC IPC(8): C11B9/02
Inventor 刘东锋杨成东
Owner NANJING ZELANG MEDICAL TECH
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