CN110157539A - The primary preparation method just to express oil from peanuts of high-quality - Google Patents
The primary preparation method just to express oil from peanuts of high-quality Download PDFInfo
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- CN110157539A CN110157539A CN201910550156.XA CN201910550156A CN110157539A CN 110157539 A CN110157539 A CN 110157539A CN 201910550156 A CN201910550156 A CN 201910550156A CN 110157539 A CN110157539 A CN 110157539A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
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Abstract
The invention discloses a kind of primary preparation methods just to express oil from peanuts of high-quality, comprising the following steps: Step 1: it is ultrasonic after peanut coat is crushed, obtain ultrasonic material；Step 2: being uniformly mixed after the shelled peanut that 10-50 times of peanut coat quality is measured is added into ultrasound material, and the microwave 1-4min under 400-700W power；Step 3: microwave material is squeezed, peanut crude oil is obtained；Step 4: peanut crude oil handle it is primary just express oil from peanuts.The present invention has the procyanidine in enrichment peanut coat, increases solubility of the procyanidine in peanut oil, improves the stability of grease, be suitable for the beneficial effect of industrialization production.
Description
Technical field
The present invention relates to edible oil fields.It is more particularly related to express oil from peanuts at the beginning of a kind of high-quality is primary
Preparation method.
Background technique
Demand based on market to high-quality grease, fats and oils processing enterprise start transition and upgrade one after another, are dedicated to exploitation battalion
Support costly edible oil, such as alpha type vitamin E sunflower oil, oryzanol Rice oil and phytosterol corn oil.Peanut oil is
The trend slowly increased is generally presented in the fourth-largest edible oil in the whole world, consumption figure, and annual average compound growth rate is 1.61% (2010-
2016).As the consumption big country of peanut oil and big producer, consumption figure accounts for 53% or so of global total quantity consumed for China,
2019 annual consumptions are estimated to be up to 6,190,000 tons, wherein the high-quality peanut oil with nutrition reinforcing function, such as high oleic acid flower
Oil generation etc., increasingly by the welcome of consumer.
Peanut coat is also known as peanut skin, is red (or black) the kind skin of peanut seed outer surface.The study found that peanut is red
It is rich in polyphenols in clothing, there is very high nutrition and utility value, inoxidizability is more than 50 times of shelled peanut, and is played
The key substance of antioxidation is procyanidine, and peanut coat procyanidins content is 14~17% or so, is proven to have
The beneficial effects such as anti-cancer, prevention and cure of cardiovascular disease are a kind of safe and non-toxic new type natural antioxidants.Currently, peanut coat
Utilization rate is low, and most of peanut coat is discarded, and results in waste of resources and environmental pollution.
Procyanidine is soluble easily in water, can also be dissolved in methanol, ethyl alcohol, acetone and other organic solvent, but it is insoluble in grease, limitation
Its application in grease and fatty foods, therefore, how to increase its solubility in grease is also that industry is urgently to be resolved
The problem of.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is pioneering to spend it is a still further object of the present invention to provide a kind of primary preparation method just to express oil from peanuts of high-quality
The Extraction and enrichment of raw clothing procyanidine is effectively combined with peanut oil-producing technique, is prepared a kind of former suitable for being rich in for industrialization production
The high-quality of flower procyanidine is primary just to express oil from peanuts.
In order to realize these purposes and other advantages according to the present invention, provide that a kind of high-quality is primary just to express oil from peanuts
Preparation method, comprising the following steps:
Step 1: it is ultrasonic after peanut coat is crushed, obtain ultrasonic material；
Step 2: being uniformly mixed after the shelled peanut that 10-50 times of peanut coat quality is measured is added into ultrasound material, and in 400-
Microwave 1-4min under 700W power；
Step 3: microwave material is squeezed, peanut crude oil is obtained；
Step 4: peanut crude oil handle it is primary just express oil from peanuts.
Preferably, peanut coat is crushed to 40-80 mesh in step 1.
Preferably, after peanut coat crushes in step 1 under 500W power, ultrasonic 10-90min.
Preferably, the lipase of its quality 0.3-0.8% is added in step 2 before the squeezing of microwave material into microwave material, mixes
It is squeezed after closing uniformly.
Preferably, it is squeezed in step 3 specifically: preheating temperature is 70-80 DEG C, preheating time is 25-35min item
After preheating under part, adjusting squeeze pressure is 35-41MPa, pressing temperature is 50-65 DEG C and is squeezed.
Preferably, the processing of peanut crude oil is specially after peanut crude oil is decolourized in step 4, and adjusting revolving speed is 4000rpm,
It is filtered after centrifugation 10min.
The present invention is include at least the following beneficial effects:
The first, the present invention is squeezed simultaneously using peanut coat and shelled peanut, using ultrasound plus microwave-assisted method before squeezing
The procyanidine being enriched in peanut coat, and increase solubility of the procyanidine in peanut oil, procyanidine can be enriched with peanut
In oil, the high-quality for being prepared into procyanidin content up to 796.8mg/kg is primary just to express oil from peanuts.
The second, the present invention increases procyanidine by microwave-assisted enzyme process esterification treatment and exists on the basis of ultrasound, microwave
Procyanidine is enriched in peanut oil, is prepared into the height that procyanidin content is up to 853.8mg/kg by the solubility in peanut oil
Quality is primary just to express oil from peanuts.
Third, the present invention are not higher than 65 DEG C of cold pressing technique using temperature, easy to operate, time-consuming short, at low cost；And
By the optimization of processing technology key parameter, the stability of grease is improved, remains the nutritional ingredient of peanut oil to the greatest extent,
And generated without harmful substances such as trans-fatty acid, trichloropropanol esters, it is suitable for industrialization production.
4th, peanut coat of the invention, primary enriched in procyanidin realize the higher value application of peanut coat, avoid
The wasting of resources and environmental pollution, and the indices of peanut oil also comply with the national standard of edible vegetable oil, have preferable battalion
It supports and strengthens function and good application value and market prospects.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the crushing mesh number of peanut coat on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts；
Fig. 2 is ultrasonic time on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts；
Fig. 3 is peanut coat and shelled peanut mass ratio on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts；
Fig. 4 is microwave power on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts；
Fig. 5 is the microwave time on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts；
Fig. 6 is lipase additive amount on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, to enable those skilled in the art's reference
Specification word can be implemented accordingly.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
Reagent used in the present invention and instrument are as follows:
Peanut coat: Jin Sheng grain and oil limited liability company provides；
Peanut: in October, 2018 adopts in Xinjiang peanut raw material base, wherein shelled peanut is that peanut grain removes peanut coat system
?；
Other reagents are chromatographically pure.
Centrifuge: LXJ-IIB type, Anting Scientific Instrument Factory, Shanghai；
Ultra Performance Liquid Chromatography instrument: ACQUITY H Class, Waters；
Turbula shaker: Vortex-Genie 2, Scientific Industries；
Micro-wave oven: MG720KG3-NA1, Guangdong Midea Microwave and Electrical Appliances Manufacturing Co., Ltd..
<embodiment 1>
The primary preparation method just to express oil from peanuts of high-quality, comprising the following steps:
Step 1: drying peanut clothing is crushed to after 40 mesh under 500W power, ultrasonic 20min obtains ultrasonic material；
Step 2: being mixed after the shelled peanut of 40 times of peanut coat quality amounts is added to ultrasound material, and the microwave under 700W power
3min obtains microwave material；
Step 3: the lipase of its quality 0.8% is added into microwave material, squeeze after mixing, obtain peanut crude oil,
In, squeezing specifically: after preheating under the conditions of preheating temperature is 80 DEG C, preheating time is 30min, adjusting squeeze pressure is
41MPa, pressing temperature are 65 DEG C, the squeezing time is that 2h is squeezed；
Step 4: adjusting revolving speed is 4000rpm, is filtered after being centrifuged 10min after the decoloration of peanut crude oil, primary first squeezing flower is obtained
Oil generation.
<embodiment 2>
Expressing oil from peanuts at the beginning of high-quality is primary, the preparation method is the same as that of Example 1, the difference is that peanut coat is crushed to 50 mesh.
<embodiment 3>
Expressing oil from peanuts at the beginning of high-quality is primary, the preparation method is the same as that of Example 1, unlike, peanut coat is crushed to 60 mesh.
<embodiment 4>
Expressing oil from peanuts at the beginning of high-quality is primary, the preparation method is the same as that of Example 1, the difference is that peanut coat is crushed to 80 mesh.
<embodiment 5>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 3, the difference is that ultrasound 10min in step 1.
<embodiment 6>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 3, the difference is that ultrasound 30min in step 1.
<embodiment 7>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 3, the difference is that ultrasound 60min in step 1.
<embodiment 8>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 3, the difference is that ultrasound 90min in step 1.
<embodiment 9>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 6, the difference is that peanut coat and peanut in step 2
The mass ratio of benevolence is 1:10.
<embodiment 10>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 6, the difference is that peanut coat and peanut in step 2
The mass ratio of benevolence is 1:20.
<embodiment 11>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 6, the difference is that peanut coat and peanut in step 2
The mass ratio of benevolence is 1:30.
<embodiment 12>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 6, the difference is that peanut coat and peanut in step 2
The mass ratio of benevolence is 1:50.
<embodiment 13>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 9, the difference is that microwave power is in step 2
400W。
<embodiment 14>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 9, the difference is that microwave power is in step 2
500W。
<embodiment 15>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 9, the difference is that microwave power is in step 2
600W。
<embodiment 16>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 9, the difference is that the microwave time is in step 2
1min。
<embodiment 17>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 9, the difference is that the microwave time is in step 2
2min。
<embodiment 18>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 9, the difference is that the microwave time is in step 2
4min。
<embodiment 19>
The primary just preparation method that expresses oil from peanuts of high-quality with embodiment 9, unlike in step 3 lipase addition
Amount is 0.3%.
<embodiment 20>
The primary just preparation method that expresses oil from peanuts of high-quality with embodiment 9, unlike in step 3 lipase addition
Amount is 0.4%.
<embodiment 21>
The primary just preparation method that expresses oil from peanuts of high-quality with embodiment 9, unlike in step 3 lipase addition
Amount is 0.5%.
<embodiment 22>
The primary just preparation method that expresses oil from peanuts of high-quality with embodiment 9, unlike in step 3 lipase addition
Amount is 0.6%.
<embodiment 23>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 22, the difference is that squeezing specifically: in preheating temperature
After preheating under the conditions of degree is 70 DEG C, preheating time is 35min, adjusting squeeze pressure is 35MPa, pressing temperature is 65 DEG C and is pressed
It squeezes.
<embodiment 24>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 22, the difference is that squeezing specifically: in preheating temperature
After preheating under the conditions of degree is 80 DEG C, preheating time is 25min, adjusting squeeze pressure is 41MPa, pressing temperature is 50 DEG C and is pressed
It squeezes.
<embodiment 25>
The primary preparation method just to express oil from peanuts of high-quality is with embodiment 22, the difference is that being not added in microwave material in step 3
Enter lipase, is directly squeezed.
<comparative example 1>
The preparation method of peanut oil, comprising the following steps:
Step 1: being pressed after mixing after drying peanut clothing to be crushed to the shelled peanut that 10 times of its quality amounts are added after 60 mesh
It squeezes, obtains peanut crude oil, wherein squeezing specifically: after being preheated under the conditions of preheating temperature is 80 DEG C, preheating time is 30min, adjust
Section squeeze pressure is 41MPa, pressing temperature is 65 DEG C, the squeezing time is that 2h is squeezed；
Step 2: adjusting revolving speed is 4000rpm, is filtered after being centrifuged 10min after the decoloration of peanut crude oil, primary first squeezing flower is obtained
Oil generation.
Research experiment
1, primary first squeezing Quality of Peanut Oil evaluation
Quality testing is carried out to primary just express oil from peanuts of embodiment 1-25 preparation, testing result shows embodiment 1-25
The primary quality just to express oil from peanuts of preparation meets national food plant oil standard, wherein by embodiment 3, embodiment 6, reality
Apply example 9, the partial detection of embodiment 22 arranges as shown in table 1:
The primary quality index just to express oil from peanuts of table 1
2, the primary procyanidins assay experiment that just expresses oil from peanuts
Detection Examples 1 to 25 prepare it is primary just express oil from peanuts, 1 procyanidins content of comparative example, as a result such as following table
It is shown:
The content of table 2 Examples 1 to 25 and 1 procyanidins of comparative example
By upper 1 data of table comparative example it is found that being squeezed by controlling certain proportion addition peanut coat in shelled peanut, energy
Enough in the case where not adding procyanidine single-item, the obtained peanut oil containing procyanidine, but peanut oil Central Plains obtained
The content of anthocyanidin is lower, only 524.4mg/kg；By embodiment 25 it is found that surpassing before squeezing to smashed peanut coat
Sonication promotes the procyanidine of reference state to become free state, after further mixing with shelled peanut, cooperates microwave treatment in short-term,
Further promote procyanidine it is free while, make the procyanidine of free state with the grease in shelled peanut ining conjunction with, formed surely
Stationary state promotes to enhance solubility of the procyanidine in peanut oil while enrichment, so its peanut oil Central Plains obtained cyanine
The content of element is improved to 796.8mg/kg, is much higher than comparative example 1；By embodiment 22 it is found that on the basis of ultrasound, microwave, into
One step cooperates the addition of lipase, and peanut oil procyanidins content obtained can be improved to 853.8mg/kg；
Further, Fig. 1 is the crushing mesh number of peanut coat on the signal of the primary procyanidins content influence that just expresses oil from peanuts
Figure, while data in embodiment 1-4 in corresponding upper table, analysis it is found that the content of peanut oil procyanidins with peanut coat powder
The increase of broken mesh number gradually increases, and increases trend and gradually slow down, and the mesh number that peanut coat crushes is in 80 mesh, peanut oil original cyanine
The content of element is up to 732.1mg/kg, but as the mesh number of crushing increases, energy consumption increases, and comprehensively considers peanut oil Central Plains cyanine
The content of element, capability of energy dissipation are that optimum peanut coat crushes mesh number with 60 mesh.
Fig. 2 is ultrasonic time on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts, and is distinguished from left to right
Data in embodiment 5-8 in table in correspondence, analysis it is found that the content of peanut oil procyanidins with peanut coat ultrasonic time
Increase first increases, and content reaches 725.3mg/kg when 30min, after 30min with ultrasonic time to continue growing changes of contents little.
Fig. 3 is the schematic diagram that peanut coat and shelled peanut mass ratio influence the primary procyanidins content that just expresses oil from peanuts,
Respectively correspond from left to right embodiment 9-11 in table, embodiment 6, embodiment 12 it is found that peanut oil procyanidins content
It is reduced with the increase of shelled peanut content, when ratio is less than 1:40, the content of procyanidine is drastically reduced, when peanut coat/flower
Raw benevolence amount is 1:10, the content 823.5mg/kg of peanut oil procyanidins.
Fig. 4 is microwave power on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts, and is distinguished from left to right
Embodiment 13-15 in table in correspondence, embodiment 9 it is found that peanut oil procyanidins content with the increase of microwave power it is slow
It is slow to increase, when microwave power is 700W, the content 827.12mg/kg of peanut oil procyanidins.
Fig. 5 is the microwave time on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts, and is distinguished from left to right
Embodiment 16-17 in table in correspondence, embodiment 9, embodiment 18 it is found that the content of peanut oil procyanidins with the microwave time
Increase be slowly increased, when the microwave time be 4min when, the content 836.4mg/kg of peanut oil procyanidins.
Fig. 6 is lipase additive amount on the schematic diagram of the primary procyanidins content influence that just expresses oil from peanuts, from left to right
Respectively correspond embodiment 19-22 in table, embodiment 9 it is found that the content of peanut oil procyanidins with lipase additive amount
Increase in being first slowly increased the trend reduced afterwards, when lipase additive amount is 0.6%, the content of peanut oil procyanidins
853.8mg/kg。
3, induction time measures
Peanut oil prepared by embodiment 22, comparative example 1 is surveyed using 743Rancimat oxidation stability analyzer
It is fixed.Operating procedure are as follows: the oil sample 3.0g for the peanut oil that respectively prepared by Example 22, comparative example 1 is oxidation-stabilized in Rancimat
Property analyzer in, heating temperature is set to 120 DEG C, air velocity 20L/h accelerates the oxidation of grease, generate volatile organic acids,
The property of will volatilize organic acid brings conductance room into, and the indoor deionized water of conductance will have volatile organic acid dissolution, at ionization from
Son changes so as to cause deionized water conductivity, and computer records the induction time of grease accelerated oxidation at the same time,
All data take 3 measurement average values, as a result as shown in table 3 below:
The measurement of 3 induction time of table
| Group | Induction time |
| Embodiment 22 | 6.5 |
| Comparative example 1 | 4.6 |
As seen from the above table, the primary induction time just to express oil from peanuts that prepared by embodiment 22 is peanut prepared by comparative example 1
The primary Oil stability just to express oil from peanuts prepared by 1.4 times of the induction time of oil, i.e. embodiment 22 is better than comparative example 1.
4, harmful substance detects
4.1 trans-fatty acids detect (gas chromatographic detection)
The primary of embodiment 1-25 preparation is weighed respectively and just expresses oil from peanuts 200mg grease in 10mL centrifuge tube, and 2mL is added
C11:0 internal standard solution, be added 0.1mL 2mol/L potassium hydroxide methanol solution, vortex mix 30s, be centrifuged with 4000rpm
10min takes 20 μ L of supernatant to be settled to 1mL volumetric flask, to be measured.
It is measured using Shimadzu GC-2010 gas phase instrument, chromatographic column is SLB-IL111 (200m × 0.25mm × 0.20 μm), color
Spectral condition, injector temperature: 200 DEG C；Sample volume: 1 μ L；Split ratio: 80:1.Chromatographic column initial temperature is 70 DEG C, retains 5min
Afterwards, 175 DEG C are warming up to 15 DEG C/min, then retain 22min, then be warming up to 185 DEG C with 3 DEG C/min, retain 35min.
Detector: flame ionization ditector (FID)；Detector temperature: 250 DEG C；Tail flow, 30.0mL/min；
Hydrogen flowing quantity 40mL/min；Air mass flow, 400mL/min.
As a result: trans-fatty acid is not detected in primary just express oil from peanuts of embodiment 1-25 preparation.
4.2 trichloropropanol esters detect (GC-MS detection)
The primary of embodiment 1-25 preparation is weighed respectively and just expresses oil from peanuts about 0.1g oil sample in tool plug test tube, uses 0.5mL
Mixed solvent A (methyl tertiary butyl ether(MTBE): ethyl acetate=8:2, volume ratio) dissolution, discharges free 3-MCPD, while wherein
Add 12 μ L (40ng/mL) inner mark solutions (in terms of free 3-MCPD-d5) and 1.0mL NaOCH3Solution, ultrasonic mixing at 45 DEG C
Solution 15min.Then add the degreasing of 3.0mL n-hexane and 3.0mL mixed solvent B (glacial acetic acid: 20% sodium chloride solution=1:
30, volume) excess sodium methoxide is neutralized, it is vortexed after mixing sufficiently, stands 8 at room temperature.It is significantly moved back except organic layer wait be layered.Then
Extractant n-hexane 3.0mL is added to be uniformly mixed, wherein water phase is used for derivative reaction.250 μ L are added into above-mentioned water phase to spread out
Raw agent phenylboric acid solution, is vortexed after mixing sufficiently, at a temperature of 80 DEG C, derivatization reaction 20min.Etc. reaction systems be cooled to room
N-hexane 1.0mL mixing is added sufficiently in Wen Shi, and after being layered, supernatant is moved into the test tube containing about 1.5g anhydrous sodium sulfate,
Single extraction step is repeated, 1 μ L supernatant of accurate measuring carries out GC-MS detection and analysis after the layering that is vortexed.
GC condition: column beginning temperature: 80 DEG C, temperature program: preheating 1min, first with the heating rate of 10 DEG C/min to 190 DEG C,
Then with 40 DEG C/min heating rate to 300 DEG C, 5min is maintained；Injector temperature: 280 DEG C；DB-5MS capillary pillar (30m
×0.25mm×0.25μm)；Carrier gas: high-pure helium, flow velocity 3.0mL/min；Sampling volume: 1 μ L；Sample introduction form: Splitless injecting samples.
MS condition: heater current: 100 μ A；Electron multiplier :+250V；Transmission line temperature: 250 DEG C；Trap temperature: 230 DEG C；Discrimination box temperature
Degree: 50 DEG C；Electron impact ion source (EI)；Mass spectrum acquisition time: 3.00-29.75min；Solvent delay: 5min；Sweep speed:
0.65s/ times；Scanning quality number range: m/z 90-300.
As a result: trichloropropanol ester is not detected in primary just express oil from peanuts of embodiment 1-24 preparation.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (6)
1. the primary preparation method just to express oil from peanuts of high-quality, which comprises the following steps:
Step 1: it is ultrasonic after peanut coat is crushed, obtain ultrasonic material；
Step 2: being uniformly mixed after the shelled peanut that 10-50 times of peanut coat quality is measured is added into ultrasound material, and in 400-700W function
Microwave 1-4min under rate；
Step 3: microwave material is squeezed, peanut crude oil is obtained；
Step 4: peanut crude oil handle it is primary just express oil from peanuts.
2. the primary preparation method just to express oil from peanuts of high-quality as described in claim 1, which is characterized in that will be spent in step 1
Raw clothing is crushed to 40-80 mesh.
3. the primary preparation method just to express oil from peanuts of high-quality as described in claim 1, which is characterized in that peanut in step 1
After clothing crushing under 500W power, ultrasonic 10-90min.
4. the primary preparation method just to express oil from peanuts of high-quality as described in claim 1, which is characterized in that microwave in step 2
The lipase of its quality 0.3-0.8% is added before material squeezing into microwave material, is squeezed after mixing.
5. the primary preparation method just to express oil from peanuts of high-quality as described in claim 1, which is characterized in that squeezed in step 3
Specifically: after preheating under the conditions of preheating temperature is 70-80 DEG C, preheating time is 25-35min, adjusting squeeze pressure is 35-
41MPa, pressing temperature are 50-65 DEG C and are squeezed.
6. the primary preparation method just to express oil from peanuts of high-quality as described in claim 1, which is characterized in that peanut in step 4
Crude oil processing is specially after peanut crude oil is decolourized, and adjusting revolving speed is 4000rpm, is filtered after being centrifuged 10min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791366A (en) * | 2019-10-18 | 2020-02-14 | 中国农业科学院农产品加工研究所 | High-quality high-oleic-acid peanut oil and preparation method thereof |
| CN111234919A (en) * | 2020-01-19 | 2020-06-05 | 河南农业大学 | Preparation method of functional peanut oil |
| CN116869050A (en) * | 2023-07-04 | 2023-10-13 | 河南工业大学 | Preparation method of peanut oil rich in plant polyphenol |
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| CN111234919B (en) * | 2020-01-19 | 2023-04-07 | 河南农业大学 | Preparation method of functional peanut oil |
| CN116869050A (en) * | 2023-07-04 | 2023-10-13 | 河南工业大学 | Preparation method of peanut oil rich in plant polyphenol |
| CN116869050B (en) * | 2023-07-04 | 2024-05-03 | 河南工业大学 | Preparation method of peanut oil rich in plant polyphenol |
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