CN104232308A - Supercritical extraction method of sandalwood roots - Google Patents
Supercritical extraction method of sandalwood roots Download PDFInfo
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- CN104232308A CN104232308A CN201410477242.XA CN201410477242A CN104232308A CN 104232308 A CN104232308 A CN 104232308A CN 201410477242 A CN201410477242 A CN 201410477242A CN 104232308 A CN104232308 A CN 104232308A
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Abstract
The invention discloses a supercritical extraction method of sandalwood roots. The method comprises steps as follows: (1) taking and freeze-drying the sandalwood roots, wherein the freeze-drying vacuum degree is in a range of 30-200 Pa, the freeze-drying temperature is in a range of subzero 45 DEG C-subzero 25 DEG C, and the freeze-drying time is in a range of 8-12 h; (2) after freeze-drying, crushing the sandalwood roots by a crusher until the fineness of the sandalwood roots is 300 meshes; (3) performing supercritical CO2 extraction on the sandalwood roots, wherein the extraction pressure is in a range of 30-35 MPa, the extraction temperature is in a range of 50 DEG C-65 DEG C, the pressure of a primary separation kettle is 8.5 MPa, the pressure of a secondary separation kettle is 6.5 MPa, and the extraction time is in a range of 4-6 h; (4) after extraction, collecting sandalwood root extracts in the primary and secondary separation kettles; (5) centrifugalizing the extracts and collecting precipitation which is the prepared sandalwood root supercritical extracts.
Description
Technical field
The invention belongs to biological extraction, separation, purification art, relate to a kind of extracting process of santal root, particularly relate to a kind of supercritical extraction method of santal root.
Background technology
The sapwood of santal trunk is white, odorlessness, and heartwood is tawny, has strong aroma, is valuable medicinal material and famous and precious spices, and is the good timber of artistic carving.Each economic worth of dividing of almug is very high.The heartwood of sandalwood is famous and precious Chinese medicine.The broken material of almug root, trunk can refine essential oil, and sandalwood essential oil is commonly called as " liquid golden ".Santal is called as " tree of gold ", and santal has good pharmaceutical use, and its composition can treat various respiratory road, gastral common disease.The characteristic of its lasting fragrance simultaneously, santal extracting solution becomes the widely used setting agent of each large well-known perfume.The santal made is very huge in high-end field demand.
The principle of supercritical carbon dioxide extraction sepn process utilizes supercritical co to have special solvency action to some special natural product, utilize the dissolving power of supercritical co and the relation of its density, namely utilize pressure and temperature to carry out the impact of supercritical co dissolving power.In the supercritical state, supercritical co is contacted with material to be separated, make it selectively the composition of polarity size, boiling point height and molecular size range be extracted successively.
Summary of the invention
The technical problem solved: santal as a kind of often by the spices used, it has very pleasant fragrance, if supercritical extraction can be carried out to the aroma component in santal root, obtain not destroyed flavour ingredient, effectively can improve the commercial value of santal.
Technical scheme: for the problems referred to above, the invention discloses a kind of supercritical extraction method of santal root, and the supercritical extraction method of described santal root comprises the following steps:
(1) get santal root, santal root is carried out drying, drying mode is lyophilize;
(2), after lyophilize, santal root pulverizer is pulverized;
(3) santal root is carried out supercritical carbon dioxide extraction;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
Preferably, the supercritical extraction method of described a kind of santal root, comprises the following steps:
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 30Pa-200Pa, and cryodesiccated temperature is subzero 45 DEG C-subzero 25 DEG C, and sublimation drying is 8h-12h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 30-35MPa, and extraction temperature is 50 DEG C-65 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 4-6h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
Preferred further, the supercritical extraction method of described a kind of santal root, comprises the following steps:
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 30Pa, and cryodesiccated temperature is subzero 25 DEG C, and sublimation drying is 12h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 35MPa, and extraction temperature is 55 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 6h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
In the supercritical extraction method of described a kind of santal root, the purity of carbon dioxide is preferably more than 99.5%.
In the supercritical extraction method of described a kind of santal root last centrifugal time rotating speed be preferably 5000rpm, the time is preferably 20min.
Beneficial effect: be different from traditional extraction process, in the present invention, supercritical extraction is carried out to the effective aroma component in santal root, under the prerequisite that reservation aroma component is not destroyed, improve its yield to greatest extent, expand the use range of santal, improve the commercial value of santal.
Embodiment
Embodiment 1
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 30Pa, and cryodesiccated temperature is subzero 25 DEG C, and sublimation drying is 12h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 35MPa, and extraction temperature is 55 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 6h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
The yield of the supercritical extraction method of the santal root of embodiment 1 is 2.6%, and the feature with typical santal is fragrant.
Embodiment 2
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 200Pa, and cryodesiccated temperature is subzero 45 DEG C, and sublimation drying is 8h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 30MPa, and extraction temperature is 50 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 4h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
The yield of the supercritical extraction method of the santal root of embodiment 2 is 1.9%, and the feature with typical santal is fragrant.
Embodiment 3
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 100Pa, and cryodesiccated temperature is subzero 35 DEG C, and sublimation drying is 10h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 32MPa, and extraction temperature is 65 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 5h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
The yield of the supercritical extraction method of the santal root of embodiment 3 is 2.0%, and the feature with typical santal is fragrant.
Embodiment 4
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 150Pa, and cryodesiccated temperature is subzero 30 DEG C, and sublimation drying is 9h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 33MPa, and extraction temperature is 60 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 6h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
The yield of the supercritical extraction method of the santal root of embodiment 4 is 2.3%, and the feature with typical santal is fragrant.
Claims (5)
1. a supercritical extraction method for santal root, is characterized in that the supercritical extraction method of described santal root comprises the following steps:
(1) get santal root, santal root is carried out drying, drying mode is lyophilize;
(2), after lyophilize, santal root pulverizer is pulverized;
(3) santal root is carried out supercritical carbon dioxide extraction;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
2. the supercritical extraction method of a kind of santal root according to claim 1, is characterized in that the supercritical extraction method of described santal root comprises the following steps:
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 30Pa-200Pa, and cryodesiccated temperature is subzero 45 DEG C-subzero 25 DEG C, and sublimation drying is 8h-12h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 30-35MPa, and extraction temperature is 50 DEG C-65 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 4-6h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
3. the supercritical extraction method of a kind of santal root according to claim 2, is characterized in that the supercritical extraction method of described santal root comprises the following steps:
(1) get santal root, santal root is carried out drying, drying mode is lyophilize, and cryodesiccated vacuum tightness is 30Pa, and cryodesiccated temperature is subzero 25 DEG C, and sublimation drying is 12h;
(2) after lyophilize, pulverized by santal root pulverizer, being crushed to santal root is 300 orders;
(3) santal root is carried out supercritical carbon dioxide extraction, extracting pressure is 35MPa, and extraction temperature is 55 DEG C, and flash trapping stage still pressure is 8.5MPa, and the second-order separation still pressure is 6.5MPa, and extraction time is 6h;
(4), after extraction terminates, the santal root extract in flash trapping stage still and the second-order separation still is collected;
(5) undertaken centrifugal by the santal root extract of collection, collecting lower sediment, is the santal root supercritical extract prepared.
4. the supercritical extraction method of a kind of santal root according to claim 2, is characterized in that the purity of carbon dioxide in the supercritical extraction method of described santal root is more than 99.5%.
5. the supercritical extraction method of a kind of santal root according to claim 2, it is characterized in that in the supercritical extraction method of described santal root last centrifugal time rotating speed be 5000rpm, the time is 20min.
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Cited By (3)
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| CN106190579A (en) * | 2016-08-22 | 2016-12-07 | 鹰潭华宝香精香料有限公司 | The method extracting Herba Schizonepetae spice |
| CN111803403A (en) * | 2020-07-20 | 2020-10-23 | 西藏甘露藏药股份有限公司 | Sandalwood essential oil composition |
| WO2021233672A1 (en) | 2020-05-19 | 2021-11-25 | ISP Investments LLC. | Method for obtaining an extract of sandalwood, compositions comprising same and cosmetic uses thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106190579A (en) * | 2016-08-22 | 2016-12-07 | 鹰潭华宝香精香料有限公司 | The method extracting Herba Schizonepetae spice |
| WO2021233672A1 (en) | 2020-05-19 | 2021-11-25 | ISP Investments LLC. | Method for obtaining an extract of sandalwood, compositions comprising same and cosmetic uses thereof |
| FR3110425A1 (en) | 2020-05-19 | 2021-11-26 | ISP Investments LLC. | PROCESS FOR OBTAINING A SANDALWOOD EXTRACT, COMPOSITIONS CONTAINING IT AND ITS COSMETIC USES |
| CN115666728A (en) * | 2020-05-19 | 2023-01-31 | Isp投资有限公司 | Method for obtaining a sandalwood extract, compositions comprising same and cosmetic uses thereof |
| CN111803403A (en) * | 2020-07-20 | 2020-10-23 | 西藏甘露藏药股份有限公司 | Sandalwood essential oil composition |
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Effective date of registration: 20180704 Address after: 200120 room 704B, No. 60, Peony Road, Pudong New Area, Shanghai Patentee after: Shanghai my pure land agriculture Co., Ltd. Address before: 215000 No. 287 Xuefu Road, North International Education Park, Suzhou high tech Zone, Jiangsu Patentee before: Suzhou Institute of Trade & Commerce |
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