CN1105383A - Process for treating heavy fragrant crude peanut oil - Google Patents
Process for treating heavy fragrant crude peanut oil Download PDFInfo
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- CN1105383A CN1105383A CN 94100078 CN94100078A CN1105383A CN 1105383 A CN1105383 A CN 1105383A CN 94100078 CN94100078 CN 94100078 CN 94100078 A CN94100078 A CN 94100078A CN 1105383 A CN1105383 A CN 1105383A
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- oil
- peanut oil
- polar solvent
- treatment process
- oil phase
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Abstract
Heavy fragrant crude peanut oil may be processed through extraction with polar solvent, high-speed centrifugal separation, and pressure-reducing separation of said separated oil phase to obtain standard peanut oil.
Description
The present invention handles the heavy fragrant crude peanut oil that has pressed.
In existing crude peanut oil is handled, generally all need pass through a few step refining treatment such as " degreasing ", " decolouring ", " alkali refining ", its result makes the giving off a strong fragrance peanut flavor of crude peanut oil lose, and becomes the peanut oil of British plain spirits even.While is big owing to crude oil contains the phosphatide amount, and the oil of refining also usually produces precipitation or darkens under 280 ℃.Thereby can not reach the heavy fragrant peanut oil standard of national regulation.Moreover this treatment process to peanut oil, investment is big, and cost height, treatment effect are not good.
The present invention provides a kind of heavy fragrant peanut oil index treatment process (reaching the standard of country-level giving off a strong fragrance oil generation).
Main points of the present invention are adopting the polar solvent hybrid extraction to handle in the treating processes of crude peanut oil, after isolating oil phase by supercentrifuge, slough polar solvent with the decompression method again, only need primary treatment just can obtain to meet the heavy fragrant peanut oil of country-level standard.
Wherein polar solvent contains the mixed solution of by a certain percentage ethanol, acetone and water.The ratio of oil and mixed solution is 1: 0.3-20.Whizzer with>6000 rev/mins is isolated oil phase, uses reliever at last: pressure is 80-90KPa, and temperature is sloughed mixed solvent remaining in the oil for<80 ℃.Peanut oil after the processing does not have precipitation when being heated to 280 ℃, and color does not deepen.And can keep the giving off a strong fragrance of peanut oil to distinguish the flavor of.At the flavacin of crude peanut oil, peroxide value, under the standard compliant prerequisite of indexs such as acid value, after this art breading, oil can reach national heavy fragrant peanut oil standard.
Compare with existing technology, the present invention has following advantage:
(1) the polar solvent extract process need not heat.
(2) except that the polarity solvent, need not add any chemical substance.
(3) technology is easy, and production cost is lower.
(4) can keep the giving off a strong fragrance of peanut oil to distinguish the flavor of.
(5) keep 280 ℃ of following peanut oil not produce flocculent precipitate, oil colours does not deepen.
This technology is ripe, comes into operation in factory, and effect is fine.
Claims (4)
1, a kind of treatment process to heavy fragrant crude peanut oil.It is characterized in that:
Technology one: polar solvent and a certain proportion of crude oil are mixed.
Technology two: separate oil phase with supercentrifuge.
Technology three: oil phase is taken off liquid by decompression handle, remove residual solution.
Three processing steps are formed thus.
2, treatment process according to claim 1, what use when it is characterized in that hybrid extraction is a kind of polar solvent, wherein contains the mixture of ethanol, acetone and water.The ratio of oil and polar solvent is 1: 0.3-20
3, treatment process according to claim 1 is characterized in that high speed centrifugation separating oil phase time, and the rotating speed of whizzer is answered>6000 rev/mins.
4, treatment process according to claim 1, it is characterized in that reducing pressure removes polar solvent residual in the oil phase, and vacuum range is 80-90kpa, temperature<80 ℃.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94100078 CN1105383A (en) | 1994-01-11 | 1994-01-11 | Process for treating heavy fragrant crude peanut oil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94100078 CN1105383A (en) | 1994-01-11 | 1994-01-11 | Process for treating heavy fragrant crude peanut oil |
Publications (1)
Publication Number | Publication Date |
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CN1105383A true CN1105383A (en) | 1995-07-19 |
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ID=5029437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 94100078 Pending CN1105383A (en) | 1994-01-11 | 1994-01-11 | Process for treating heavy fragrant crude peanut oil |
Country Status (1)
Country | Link |
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CN (1) | CN1105383A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103289815A (en) * | 2013-05-10 | 2013-09-11 | 沙学 | Preparation process of refining peanut oil |
-
1994
- 1994-01-11 CN CN 94100078 patent/CN1105383A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103289815A (en) * | 2013-05-10 | 2013-09-11 | 沙学 | Preparation process of refining peanut oil |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
C01 | Deemed withdrawal of patent application (patent law 1993) | ||
WD01 | Invention patent application deemed withdrawn after publication |