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Extraction method of gardenia jasminoides volatile oil

An extraction method and technology of gardenia, applied in the field of extraction of volatile oil of gardenia, can solve problems such as no public literature reports, and achieve the effects of improving dissolution efficiency, accelerating extraction efficiency, and shortening extraction time

Inactive Publication Date: 2014-11-26
NANJING BIAOKE BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through literature search, do not see the public literature report identical with the present invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Take gardenia powder, put it in a container, add 40% ethanol which is 5 times the weight, and use ultrasonic-microwave to extract, control ultrasonic wave 500W, microwave power 400W to extract continuously for 2 hours, filter, concentrate the filtrate, and use petroleum ether to extract Extract twice, combine the extracts, dry over anhydrous sodium sulfate, and concentrate under reduced pressure to obtain the essential oil of Gardenia jasminoides with an extraction rate of 1.81%.

Embodiment 2

[0015] Take gardenia powder, put it in a container, add 50% ethanol which is 7 times the weight, and use ultrasonic-microwave to extract, control ultrasonic wave 500W, microwave power 500W to extract continuously for 2.5h, filter, concentrate the filtrate, and use normal hexyl Extract with alkane three times, combine the extracts, dry over anhydrous sodium sulfate, and concentrate under reduced pressure to obtain the essential oil of Gardenia jasminoides with an extraction rate of 2.01%.

Embodiment 3

[0017] Take gardenia powder, put it in a container, add 8 times the weight of 60% ethanol, use ultrasonic-microwave to extract, control ultrasonic wave 500W, and microwave power 600W to extract continuously for 3 hours, filter, concentrate the filtrate, and extract the concentrate with ether 3 times, the extracts were combined, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to obtain the essential oil of Gardenia jasminoides, with an extraction rate of 2.02%.

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Abstract

The invention relates to an extraction method of gardenia jasminoides volatile oil, and particularly relates to a method for extracting gardenia jasminoides volatile oil by adopting ultrasonic-microwave synergic technology. The extraction method comprises the following steps: putting gardenia jasminoides powder into a container, adding distilled water the weight of which is five to eight times that of the gardenia jasminoides powder, extracting by adopting ultrasonic-microwave technology, controlling the ultrasonic power to 500W, microwave power to 400-600 so as to perform continuous extraction for 2-3 hours, filtering, extracting the filtrate for two to three times with an organic solvent, combining extracting liquor, drying with anhydrous sodium sulfate, and conducting pressure-reduced concentration, to obtain gardenia jasminoides volatile oil. By fully utilizing the ultrasonic-microwave superposition effect, the extraction method has the advantages of being simple in technology, low in energy consumption, high in yield and the like, and is an environment-friendly extraction method of gardenia jasminoides volatile oil, thus being applicable to industrial production.

Description

technical field [0001] The invention relates to a method for extracting volatile oil from gardenia, in particular to a method for synergistically extracting volatile oil from gardenia by ultrasonic and microwave, and belongs to the technical field of natural plant extraction products. Background technique [0002] Gardenia is a Rubiaceae plant, Gardenia jasminoides, also known as Gardenia jasminoides, sparrows, wild osmanthus, jade lotus, etc. It has white flowers and strong aroma. It is one of the eight famous fragrant flowers in my country. Bitter in the mouth, cold in nature, clears the lung and relieves cough, cools the blood to stop bleeding, mainly treats lung-heat cough, epistaxis, and eliminates phlegm. The main components of its volatile oil are linalool, jasmonolactone, farnesene, β - Myrcene, methyl benzoate, ocimene, etc., can be used in a variety of scented cosmetics, soap flavors and high-end perfume flavors. It has the effects of clearing heat and purging fir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B9/02
Inventor 张金芳杨存
Owner NANJING BIAOKE BIO TECH
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