CN105018233A - Supercritical extraction method of grape skin essential oil - Google Patents
Supercritical extraction method of grape skin essential oil Download PDFInfo
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- CN105018233A CN105018233A CN201510377636.2A CN201510377636A CN105018233A CN 105018233 A CN105018233 A CN 105018233A CN 201510377636 A CN201510377636 A CN 201510377636A CN 105018233 A CN105018233 A CN 105018233A
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- vitis viniferae
- pericarpium vitis
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- crude oil
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Abstract
The invention relates to a supercritical extraction method of grape skin essential oil. The method employs impurity removal, freeze drying, crushing, supercritical extraction, and then molecular distillation. The operating temperature is low, the heating time is short, grease oxidation and rancidification caused by high temperature can be avoided, and the separation degree and product yield are high, and molecular distillation can also reduce the acid value of grease. The method realizes the purposes of efficient extraction, separation, no impurity, and high purity of extraction product, the operation process is simple, the extraction time is short, the cost is reduced, and the production efficiency is improved.
Description
Technical field
The present invention relates to the extracting method of Pericarpium Vitis viniferae essential oil, especially a kind of supercritical extraction method of Pericarpium Vitis viniferae essential oil.
Background technology
Grape Aromatic Substance is the general name that in grape, a class makes us the volatile matter producing positive sensations, these aromatoising substance major parts are the simple small organic molecules of structure, content is few, kind is many, large quantity research shows, the compounds such as Linalool, vernol, Geraniol, geraniol are the typical aromatoising substances of grape.Grape Aromatic Substance is distributed in pulp, pericarp, the blade of grape, the different pieces such as stem, and in grape pomace, aromatoising substance is more than aromatoising substance in pulp.But the aromatoising substance utilized in the Sucus Vitis viniferae course of processing only accounts for 47% of grape fruit aromatoising substance, most aromatoising substance all slatterns with Pericarpium Vitis viniferae.Pericarpium Vitis viniferae comprehensive utilization has become major issue urgently to be resolved hurrily in grape Efficient Conversion birth process.
A kind of kiwifruit nut oil and extracting method thereof disclosed in Chinese patent Authorization Notice No. CN1483795, adopt CO_2 supercritical technology, obtained essential oil of low quality, and complex process, extraction time is long, and production cost is high, and yield is low.
In view of the foregoing, a kind of supercritical extraction method of Pericarpium Vitis viniferae essential oil is now developed.
Summary of the invention
The object of the invention is, in order to overcome deficiency of the prior art, a kind of supercritical extraction method of Pericarpium Vitis viniferae essential oil to be provided, to achieve efficient extraction, separation, inclusion-free, the object that extracted products purity is high, operating procedure is simple, and extraction time is short, reduce cost, improve production efficiency.
The present invention to achieve these goals, adopts following technical scheme: a kind of supercritical extraction method of Pericarpium Vitis viniferae essential oil:
Step 1: fresh Pericarpium Vitis viniferae is removed impurity, put into after vacuum freeze 20-30 hour and take out, average moisture content is 5.5%, puts into disintegrating apparatus and pulverizes and sieves, obtained 70-80 object Pericarpium Vitis viniferae particle, for subsequent use;
250-400kg Pericarpium Vitis viniferae particle is encased in extraction kettle, start extraction, extraction temperature is 35-55 DEG C, extracting pressure is 25-28Mpa, extraction time 120-150min, close extractor, inspection guarantees that sealing is tight, use high-pressure pump that the liquid CO 2 in hold tank is pumped into vaporizer, gasification is input in extractor after critical fluids state, Pericarpium Vitis viniferae particle is extracted, pressure in setting extractor is 10-20Mpa, temperature is 30-40 DEG C, the mixed stream of the CO2 after extraction and Pericarpium Vitis viniferae essential oil inputs separator and carries out decompression separation, pressure in separator is 4-10Mpa, temperature is 30-40 DEG C, CO2 after separation through liquefier liquefaction directly the defeated time hold tank of 20-30 DEG C recycle for next round extracting and separating, each takes turns extracting and separating time 1.5-2 hour, obtained elementary Pericarpium Vitis viniferae crude oil after being separated, for subsequent use,
Step 2: the elementary Pericarpium Vitis viniferae crude oil that step 1 is obtained joins in molecular still, vacuum tightness in setting molecular still is 1.0-2.0Pa, temperature is 60-80 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until elementary Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae crude oil, for subsequent use;
Step 3: the Pericarpium Vitis viniferae crude oil that step 2 is obtained joins in molecular still again, the vacuum tightness reset in molecular still is 1.0-2.0Pa, temperature is 60-80 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae essential oil.
The invention has the beneficial effects as follows: present invention achieves that extraction efficiency is high, the feature of pure natural, pollution-free, cold operation, achieve the comprehensive utilization of Pericarpium Vitis viniferae, turn waste into wealth.
Embodiment
Below in conjunction with embodiment and embodiment, the present invention is described in further detail:
Embodiment 1
Step 1: fresh Pericarpium Vitis viniferae is removed impurity, and put into vacuum freeze and take out after 23 hours, average moisture content is 5.5%, puts into disintegrating apparatus and pulverizes and sieves, obtained 76 object Pericarpium Vitis viniferae particles, for subsequent use;
320kg Pericarpium Vitis viniferae particle is encased in extraction kettle, start extraction, extraction temperature is 53 DEG C, extracting pressure is 27Mpa, extraction time 142min, close extractor, inspection guarantees that sealing is tight, use high-pressure pump that the liquid CO 2 in hold tank is pumped into vaporizer, gasification is input in extractor after critical fluids state, Pericarpium Vitis viniferae particle is extracted, pressure in setting extractor is 17Mpa, temperature is 33 DEG C, the mixed stream of the CO2 after extraction and Pericarpium Vitis viniferae essential oil inputs separator and carries out decompression separation, pressure in separator is 8Mpa, temperature is 35 DEG C, CO2 after separation through liquefier liquefaction directly the defeated time hold tank of 23 DEG C recycle for next round extracting and separating, each takes turns 1.8 hours extracting and separating time, obtained elementary Pericarpium Vitis viniferae crude oil after being separated, for subsequent use,
Step 2: the elementary Pericarpium Vitis viniferae crude oil that step 1 is obtained joins in molecular still, vacuum tightness in setting molecular still is 1.4Pa, temperature is 76 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until elementary Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae crude oil, for subsequent use;
Step 3: the Pericarpium Vitis viniferae crude oil that step 2 is obtained joins in molecular still again, the vacuum tightness reset in molecular still is 1.3Pa, temperature is 74 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae essential oil.
Embodiment 2
Step 1: fresh Pericarpium Vitis viniferae is removed impurity, and put into vacuum freeze and take out after 26 hours, average moisture content is 5.5%, puts into disintegrating apparatus and pulverizes and sieves, obtained 73 object Pericarpium Vitis viniferae particles, for subsequent use;
330kg Pericarpium Vitis viniferae particle is encased in extraction kettle, start extraction, extraction temperature is 52 DEG C, extracting pressure is 27Mpa, extraction time 142min, close extractor, inspection guarantees that sealing is tight, use high-pressure pump that the liquid CO 2 in hold tank is pumped into vaporizer, gasification is input in extractor after critical fluids state, Pericarpium Vitis viniferae particle is extracted, pressure in setting extractor is 13Mpa, temperature is 33 DEG C, the mixed stream of the CO2 after extraction and Pericarpium Vitis viniferae essential oil inputs separator and carries out decompression separation, pressure in separator is 8Mpa, temperature is 37 DEG C, CO2 after separation through liquefier liquefaction directly the defeated time hold tank of 27 DEG C recycle for next round extracting and separating, each takes turns 1.8 hours extracting and separating time, obtained elementary Pericarpium Vitis viniferae crude oil after being separated, for subsequent use,
Step 2: the elementary Pericarpium Vitis viniferae crude oil that step 1 is obtained joins in molecular still, vacuum tightness in setting molecular still is 1.7Pa, temperature is 76 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until elementary Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae crude oil, for subsequent use;
Step 3: the Pericarpium Vitis viniferae crude oil that step 2 is obtained joins in molecular still again, the vacuum tightness reset in molecular still is 1.4Pa, temperature is 72 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae essential oil.
Claims (1)
1. a supercritical extraction method for Pericarpium Vitis viniferae essential oil, is characterized in that:
Step 1: fresh Pericarpium Vitis viniferae is removed impurity, put into after vacuum freeze 20-30 hour and take out, average moisture content is 5.5%, puts into disintegrating apparatus and pulverizes and sieves, obtained 70-80 object Pericarpium Vitis viniferae particle, for subsequent use;
250-400kg Pericarpium Vitis viniferae particle is encased in extraction kettle, start extraction, extraction temperature is 35-55 DEG C, extracting pressure is 25-28Mpa, extraction time 120-150min, close extractor, inspection guarantees that sealing is tight, use high-pressure pump that the liquid CO 2 in hold tank is pumped into vaporizer, gasification is input in extractor after critical fluids state, Pericarpium Vitis viniferae particle is extracted, pressure in setting extractor is 10-20Mpa, temperature is 30-40 DEG C, the mixed stream of the CO2 after extraction and Pericarpium Vitis viniferae essential oil inputs separator and carries out decompression separation, pressure in separator is 4-10Mpa, temperature is 30-40 DEG C, CO2 after separation through liquefier liquefaction directly the defeated time hold tank of 20-30 DEG C recycle for next round extracting and separating, each takes turns extracting and separating time 1.5-2 hour, obtained elementary Pericarpium Vitis viniferae crude oil after being separated, for subsequent use,
Step 2: the elementary Pericarpium Vitis viniferae crude oil that step 1 is obtained joins in molecular still, vacuum tightness in setting molecular still is 1.0-2.0Pa, temperature is 60-80 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until elementary Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae crude oil, for subsequent use;
Step 3: the Pericarpium Vitis viniferae crude oil that step 2 is obtained joins in molecular still again, the vacuum tightness reset in molecular still is 1.0-2.0Pa, temperature is 60-80 DEG C, rotating brush film rotating speed in molecular still is 120r/min, until Pericarpium Vitis viniferae crude oil is collected by heavy phase holding tank and light phase holding tank completely, collect in heavy phase holding tank and obtain Pericarpium Vitis viniferae essential oil.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106165885A (en) * | 2016-04-17 | 2016-11-30 | 马鞍山市志诚科技有限公司 | A kind of nutrient formulation nano-particle preventing and treating chronic superficial gastritis and preparation processing method |
| CN112043822A (en) * | 2020-09-25 | 2020-12-08 | 福建省春秋刺明珠葡萄酒庄园有限公司 | Vitis davidii plant extract preparation rich in anthocyanin and preparation method thereof |
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| CN102391913A (en) * | 2011-10-10 | 2012-03-28 | 杨永庆 | Supercritical extraction method for peony essence and application of method |
| CN103815059A (en) * | 2014-03-06 | 2014-05-28 | 洛阳春魁农业开发有限公司 | Blend oil containing peony seed oil and preparation method thereof |
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2015
- 2015-06-24 CN CN201510377636.2A patent/CN105018233A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102391913A (en) * | 2011-10-10 | 2012-03-28 | 杨永庆 | Supercritical extraction method for peony essence and application of method |
| CN103815059A (en) * | 2014-03-06 | 2014-05-28 | 洛阳春魁农业开发有限公司 | Blend oil containing peony seed oil and preparation method thereof |
Non-Patent Citations (1)
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| 张振华，等: "超临界流体萃取葡萄皮精油的最佳工艺研究", 《食品科学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106165885A (en) * | 2016-04-17 | 2016-11-30 | 马鞍山市志诚科技有限公司 | A kind of nutrient formulation nano-particle preventing and treating chronic superficial gastritis and preparation processing method |
| CN112043822A (en) * | 2020-09-25 | 2020-12-08 | 福建省春秋刺明珠葡萄酒庄园有限公司 | Vitis davidii plant extract preparation rich in anthocyanin and preparation method thereof |
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