CN1943372A - Linolenic acid health edible oil and prickly ash seed dregs and its preparing method - Google Patents
Linolenic acid health edible oil and prickly ash seed dregs and its preparing method Download PDFInfo
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- CN1943372A CN1943372A CNA2006100325117A CN200610032511A CN1943372A CN 1943372 A CN1943372 A CN 1943372A CN A2006100325117 A CNA2006100325117 A CN A2006100325117A CN 200610032511 A CN200610032511 A CN 200610032511A CN 1943372 A CN1943372 A CN 1943372A
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Abstract
A method for the preparation of edible oil rich in linolenic acid and the cake of zanthoxy lum seed, includes the steps: (1)preparing crude oil, includes choosing fresh zanthoxy lum seed, rolling seed kernel, leaching out oil; (2)refining, includes hydration degumming, deacidifing by adding alkali, washing away impurity, dehydrating, decolouring and deodouring. Said oil comprises: palmic acid 8-15%, palmitoleic acid 5-15%, oleic acid 30-40%, linolic acid 20-35%, alpha-linolenic acid 10-18%. The cake of zanthoxy lum seed is produced at the same time. Said method can control oil acid value and peroxide value and said oil has health-care function.
Description
Technical field
The present invention relates to a kind of method of refining linolenic acid health edible oil, specifically refer to from the pericarpium zanthoxyli schinifolii seed, refine the method for linolenic acid health edible oil.
Background technology
The Zanthoxylum rutaceae, it is the important economic tree of China, its whole body is precious, though the oil content of Chinese prickly ash seed is than the tea seed in the oil crops, the oil content of vegetable seed etc. is low, pericarpium zanthoxyli bungeani seed oil-containing 27%～34%, pericarpium zanthoxyli schinifolii seed oil-containing 12%～20%, but unsaturated fatty acid content is high in the Fructus Zanthoxyli oil, reach more than 85%, wherein linolenic acid content is up to 12-24%, be much higher than tea oil, olive oil and soybean wet goods functional grease, and leukotrienes has significant reduction blood fat, regulate blood pressure, improve cardio-cerebrovascular and strengthen immunity of organisms, function such as delay senility.In the Chinese prickly ash seed except that containing abundant unrighted acid, also contain nutritional labelings such as rich in protein and trace element, its protein content reaches 17%～48%, and protein content can be a kind of good animal feed additive and soil conditioner up to 63.41% in the degreasing Semen Pericarpium Zanthoxyli.But up to the present, the application of Chinese prickly ash is also only used comparatively extensive with pricklyash hull as medicinal and seasoning, also have only a spot of pericarpium zanthoxyli bungeani seed to get oil by local method, but its oil colours is black, impurity is many, acid value is high, unstable, easy oxidation, acid value raise especially easily, and decolouring is complicated, and the refining difficulty is big, can only do iundustrial oil, be difficult to the standard that reaches edible far away; The pericarpium zanthoxyli schinifolii seed then be nobody shows any interest in especially, and domestic every year, discarded pericarpium zanthoxyli schinifolii seed reached the hundreds of thousands ton.
Pericarpium zanthoxyli schinifolii seed oil content is lower, though the high pericarpium zanthoxyli schinifolii seed oil content of maturity improves, linolenic acid content is also higher, influences the harvest of pericarpium zanthoxyli schinifolii shell, loses more than gain; The acid value of its crude oil of pericarpium zanthoxyli schinifolii seed that maturity is not enough is high especially, oil content is lower, linolenic acid content is also low especially, does not have value.
Therefore, how to develop especially pericarpium zanthoxyli schinifolii seed and take into account the value of Chinese prickly ash seed and shell of Chinese prickly ash seed, therefrom extract and have linolenic acid health edible oil edible, medical, health-care effect, be significant for exploitation Chinese prickly ash industry.
Summary of the invention
For solving problems such as the producing of the Fructus Zanthoxyli oil that exists in the above-mentioned prior art, refining, the inventor invents out a kind of linolenic acid health edible oil that refines finally, and obtains the preparation method of byproduct prickly ash seed dregs through a large amount of production practices from the pericarpium zanthoxyli schinifolii seed.
The preparation method of linolenic acid health edible oil of the present invention comprises following step:
(1) producing of Chinese prickly ash seed crude oil comprises that selection, the raw material of pericarpium zanthoxyli schinifolii seed rolls embryo, crude oil leaches;
(2) refining of Chinese prickly ash seed linolenic acid health edible oil, the crude oil that step (1) is produced carries out hydration degum, alkali-refining deacidification, washing removal of impurities, dehydration and decolorization, deacid-deodoring processing.
By the linolenic acid health edible oil that said method makes, wherein linolenic acid health edible oil contains palmitic acid 8-15%, palmitoleic acid 5-15%, oleic acid 30-40%, linoleic acid 20-35%, alpha-linolenic acid 10-18%.
Simultaneously output goes back the by-product prickly ash seed dregs.
Adopt above-mentioned preparation method, at characteristics such as the state of pericarpium zanthoxyli schinifolii seed and oil contents thereof, separate removal of impurities, decolouring, deodorization effectively, and constantly control in the production process oleic acid valency and the peroxide value that constantly changes, produce the linolenic acid health edible oil that reaches national edible vegetable oil sanitary standard (GB2716-2005), Fructus Zanthoxyli oil after the refining is analyzed through provincial Institute of Analysis, unsaturated fatty acid content reaches more than 80%, wherein linolenic acid content is a kind of very good edible health-care oil up to more than 13%.This has not only opened up the frontier of edible health-care oil, and turns waste into wealth, and has promoted the economic worth of Chinese prickly ash greatly.
The specific embodiment
The linolenic acid health edible oil production process mainly adopts the common apparatus of edible oil industry, and concrete preparation method is divided into following steps:
1, Chinese prickly ash seed crude oil produces
A, raw material selection, roll embryo
Choose pericarpium zanthoxyli schinifolii seed that maturity then is fit to as the raw material that refines linolenic acid health edible oil.Prove that through test of many times when the oil content of the pericarpium zanthoxyli schinifolii seed of bearing fruit reached 15% left and right sides, the acid value of crude oil can be taken into account the value of Chinese prickly ash seed and shell below 20, reduces the wastage.
Pericarpium zanthoxyli schinifolii seed clean after the drying (water content is below 11%) is dropped in the flaker, and it is standby to the thin slice of 0.1-0.5mm to roll embryo.This preliminary treatment not only technology is simple, and helps the crude oil leaching of back.
The preparation of b, crude oil
The Chinese prickly ash seed thin slice that will roll behind the embryo is put into the pot group type infuser, carries out the disposable leaching of crude oil.
2, refining
A, hydration degum
Crude oil is heated to 65 ℃ (60-70 ℃), adds the SPA of quality of crude oil 0.1%, be stirred to abundant mixing; Add the hot water of quality of crude oil 10%, be stirred to the colloid imbibition, be warming up to 75 ℃, leave standstill, isolate the Fructus Zanthoxyli oil that comes unstuck until layering.
B, alkali-refining deacidification
According to the higher characteristics of Chinese prickly ash seed crude oil acid value, adopt the depickling of low temperature concentrated base technology.Concentration is that (15%) adding NaOH carries out alkali refining about 20 Baume degrees under the normal temperature, adds the salt water of the 4-7% concentration of quality of crude oil 5-10% then, leaves standstill to the soap stock natural subsidence.
C, washing removal of impurities
Washing divides to be carried out for three times, and the salt water of the 5-7% concentration of preceding twice usefulness Fructus Zanthoxyli oil quality 5-10% is washed, and uses the hot water wash of Fructus Zanthoxyli oil quality 5-10% at last, to remove the impurity in deoiling.
D, dehydration and decolorization
After Fructus Zanthoxyli oil after the washing put into the dehydration and decolorization pot, intensification limit, limit vacuumized, and is warming up to about 90 ℃ (88-95 ℃), water and remaining soap stock foam was removed after about 4 hours.
The active carbon that adds Fructus Zanthoxyli oil quality about 0.07% then, the atlapulgite of suction about 7% carries out the decolouring first time after five minutes, the about 88-95 of bleaching temperature ℃, about continuing for an hour, filters then.
E, secondary decolourization
At the saturate characteristics of Fructus Zanthoxyli oil, need carry out secondary decolourization: be heated to 88 ℃ earlier, suck about 0.07% active carbon, be warming up to 95 ℃ subsequently gradually, the decolouring of the carclazyte of suction 8% continues 40 minutes after eight minutes, filters.
F, deacid-deodoring
Because linoleic acid in the Fructus Zanthoxyli oil, linolenic acid content are higher, extremely unstable, the semi-finished product oleic acid valency behind the secondary decolourization has risen to more than 3.5, therefore, must fall acid simultaneously in the deodorization pot, otherwise just can't reach national edible vegetable oil sanitary standard.
During deodorization, deodorization equipment adopts grease spraying deodorization pot, what vacuum system adopted is oil-sealed rotary pump, little than the steam jet pump energy consumption, cost is low and to fall sour effect very good, make and the purpose that in deodorization, has reached depickling again make the quality of product oil meet national edible vegetable oil sanitary standard fully.
G, freezing degreasing
Because of the viscosity of Fructus Zanthoxyli oil is bigger, during winter, it is muddy that oil can become, and the more higher leveled edible oil of the quality of production, and the oil require after the deodorization carries out freezing degreasing again, cools the temperature to 0-10 ℃, filters, to guarantee better refraction index.
In concrete the enforcement, 30 tons of raw material pericarpium zanthoxyli schinifolii seed consumptions, disposable leaching obtains 4.2 tons of crude oils (obtaining 25.8 tons of the pericarpium zanthoxyli schinifolii seed dregs of rice) after rolling embryo, by above-mentionedly come unstuck, alkali refining, wet concentration, dehydration and decolorization, secondary decolourization, deodorization depickling, operation such as freezing carry out after the refining 2.7 tons of product oils.Sampling detects from this product oil, and leukotrienes (alpha-linolenic acid) content is 13.3%, linoleic acid content 26.5%, palmitic acid 12%, palmitoleic acid 8.4%, oleic acid 33.8%, total unsaturated fatty acid content 82%.Product oil acid value 1.04, peroxide value 0.058, other index also all reach national edible vegetable oil sanitary standard (GB2716-2005).
From the pericarpium zanthoxyli schinifolii seed, extract and have linolenic acid health edible oil edible, medical, health-care effect, opened up the frontier of edible health-care oil, and turned waste into wealth, promoted the economic worth of Chinese prickly ash greatly.
Claims (8)
1, a kind of preparation method of linolenic acid health edible oil comprises following step:
(1) producing of Chinese prickly ash seed crude oil comprises that selection, the raw material of pericarpium zanthoxyli schinifolii seed rolls embryo, crude oil leaches;
(2) refining of Chinese prickly ash seed linolenic acid health edible oil, the crude oil that step (1) is produced carries out hydration degum, alkali-refining deacidification, washing removal of impurities, dehydration and decolorization, deacid-deodoring processing.
2, the preparation method of Chinese prickly ash leukotrienes edible oil according to claim 1 is characterized in that: the selection of the pericarpium zanthoxyli schinifolii seed of described step (1), with when the oil content of producing per year reaches about 15%, to be lower than 20 be standard to the acid value of crude oil; Raw material rolls embryo and directly adopts the pot group type infuser to leach to the thin slice of 0.1-0.5mm.
3, the preparation method of Chinese prickly ash leukotrienes edible oil according to claim 1 and 2 is characterized in that: dehydration and decolorization process in the described step (1), the carclazyte that adopts about 0.07% active carbon and 8% be as decolorizer, and carried out secondary decolourization; Described deacid-deodoring operation is carried out in grease spraying deodorization pot, and what vacuum system adopted is oil-sealed rotary pump.
4, the preparation method of Chinese prickly ash leukotrienes edible oil according to claim 1 and 2 is characterized in that: the Fructus Zanthoxyli oil that obtains after above-mentioned steps is handled is cooled to 0-10 ℃, carries out freezing degreasing, filters.
5, the preparation method of Chinese prickly ash leukotrienes edible oil according to claim 3 is characterized in that: the Fructus Zanthoxyli oil that obtains after above-mentioned steps is handled is cooled to 0-10 ℃, carries out freezing degreasing, filters.
6, the preparation method of Chinese prickly ash leukotrienes edible oil according to claim 4 is characterized in that: the Fructus Zanthoxyli oil that obtains after above-mentioned steps is handled is cooled to 0-10 ℃, carries out freezing degreasing, filters.
7, a kind of Chinese prickly ash linolenic acid health edible oil is made by claim 1 or 2 described preparation methods, palmitic acid 8-15% wherein, palmitoleic acid 5-15%, oleic acid 30-40%, linoleic acid 20-35%, alpha-linolenic acid 10-18%.
8, a kind of prickly ash seed dregs is obtained by claim 1 or 2 described preparation methods.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554190A (en) * | 2008-04-09 | 2009-10-14 | 新疆医科大学 | Edible oil containing two types of essential fatty acid |
| CN102041167A (en) * | 2010-12-10 | 2011-05-04 | 四川省毛叶山桐子科技股份有限公司 | Method for preparing idesia polycarpa edible vegetable oil by immobilized enzyme and hot brine treatment process |
| CN102250687A (en) * | 2011-06-16 | 2011-11-23 | 湖南盈成油脂工业有限公司 | Oil preprocessing method |
| CN102952632A (en) * | 2012-11-22 | 2013-03-06 | 丽江坤源食品有限公司 | Method for refining prickly ash seed oil |
| CN114015503A (en) * | 2021-11-08 | 2022-02-08 | 甘肃乾禾芸农业科技发展有限责任公司 | Decoloring method for spiral pressed prickly ash seed oil |
-
2006
- 2006-11-02 CN CNA2006100325117A patent/CN1943372A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554190A (en) * | 2008-04-09 | 2009-10-14 | 新疆医科大学 | Edible oil containing two types of essential fatty acid |
| CN102041167A (en) * | 2010-12-10 | 2011-05-04 | 四川省毛叶山桐子科技股份有限公司 | Method for preparing idesia polycarpa edible vegetable oil by immobilized enzyme and hot brine treatment process |
| CN102041167B (en) * | 2010-12-10 | 2013-07-31 | 四川省毛叶山桐子科技股份有限公司 | Method for preparing idesia polycarpa edible vegetable oil by immobilized enzyme and hot brine treatment process |
| CN102250687A (en) * | 2011-06-16 | 2011-11-23 | 湖南盈成油脂工业有限公司 | Oil preprocessing method |
| CN102250687B (en) * | 2011-06-16 | 2013-07-31 | 湖南盈成油脂工业有限公司 | Oil preprocessing method |
| CN102952632A (en) * | 2012-11-22 | 2013-03-06 | 丽江坤源食品有限公司 | Method for refining prickly ash seed oil |
| CN114015503A (en) * | 2021-11-08 | 2022-02-08 | 甘肃乾禾芸农业科技发展有限责任公司 | Decoloring method for spiral pressed prickly ash seed oil |
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Open date: 20070411 |