CN1105383A - Process for treating heavy fragrant crude peanut oil - Google Patents

Process for treating heavy fragrant crude peanut oil Download PDF

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Publication number
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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CN
China
Prior art keywords
oil
peanut oil
polar solvent
treatment process
oil phase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 94100078
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Chinese (zh)
Inventor
张维德
余少文
张小云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 94100078 priority Critical patent/CN1105383A/en
Publication of CN1105383A publication Critical patent/CN1105383A/en
Pending legal-status Critical Current

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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

Process for treating heavy fragrant crude peanut oil
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 ℃.
CN 94100078 1994-01-11 1994-01-11 Process for treating heavy fragrant crude peanut oil Pending CN1105383A (en)

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
CN1105383A true CN1105383A (en) 1995-07-19

Family

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
CN (1) CN1105383A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103289815A (en) * 2013-05-10 2013-09-11 沙学 Preparation process of refining peanut oil

Cited By (1)

* Cited by examiner, † Cited by third party
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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C01 Deemed withdrawal of patent application (patent law 1993)
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