CN103396878A - Preparation method of low-temperature cold-pressed peanut oil - Google Patents

Preparation method of low-temperature cold-pressed peanut oil Download PDF

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Publication number
CN103396878A
CN103396878A CN2013103099245A CN201310309924A CN103396878A CN 103396878 A CN103396878 A CN 103396878A CN 2013103099245 A CN2013103099245 A CN 2013103099245A CN 201310309924 A CN201310309924 A CN 201310309924A CN 103396878 A CN103396878 A CN 103396878A
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China
Prior art keywords
oil
peanut
peanut oil
preparation
vinegar
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CN2013103099245A
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Chinese (zh)
Inventor
康玉发
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HUAINING XIAOSHI VEGETABLE OIL FACTORY
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HUAINING XIAOSHI VEGETABLE OIL FACTORY
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Priority to CN2013103099245A priority Critical patent/CN103396878A/en
Publication of CN103396878A publication Critical patent/CN103396878A/en
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Abstract

The invention discloses a preparation method of low-temperature cold-pressed peanut oil. The preparation method comprises the following steps of: (1) husking peanut, removing red skin, drying till the water content is 5-8% and crushing; (2) conveying the crushed peanut kernels into an oil press to press oil and obtaining initially-pressed peanut oil; (3) taking a pressed peanut cake, putting into a steamer, and steaming for 10-15 minutes in steam with the temperature of being 100-110 DEG C; and then grinding vegetable seeds by adopting 1-2% white vinegar as a medium, standing, and filtering to obtain vinegar-ground peanut oil. The preparation method disclosed by the invention has the beneficial effects that processes of vinegar grinding, wine grinding and cold pressing are adopted, the advantages of initial pressing are remained, simultaneously due to vinegar grinding and wine grinding, the oil extraction rate is increased, toxic and harmful substances can be killed and the quality of the peanut oil is improved.

Description

A kind of preparation method of low-temperature cold pressing peanut oil
Technical field
The present invention relates to a kind of method of low-temperature cold pressing peanut oil, belong to the plant oil processing technique field.
Background technology
Peanut oil is a kind of Vegetable oil lipoprotein take peanut as waste, and it is nutritious, wherein contains abundant unsaturated fatty acids, vitamin-E, trans-resveratrol, β-sitosterol etc.The extracting process of the present peanut oil of China has two classes: hot moulding method and cold-press.
Peanut, in the hot moulding process, can cause because pressing temperature is too high nutritive ingredient loss and the peanut protein sex change such as linolenic acid in peanut, linolic acid, vitamin-E.There is the problem that oil yield is not high in cold press.In the peanut oil squeezing process, how to get rid of the pollution of flavacin, guarantee HUMAN HEALTH, need the improvement of research technique.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method of low-temperature cold pressing peanut oil, oil yield is high, and the peanut oil of production meets national standard.
Technical scheme of the present invention is as follows:
A kind of preparation method of low-temperature cold pressing peanut oil is characterized in that comprising the following steps:
(1), by peanut except shell, slough scarlet, dry to water content 5-8%, and pulverize;
(2), the Semen arachidis hypogaeae after pulverizing sends into the oil press zhai squeezing and gets oil, obtain just expressing oil from peanuts;
(3), the peanut cake after squeezing takes out, and puts into steamer, in 100-110 ℃ of steam, steams 10-15 minute; Then by vegetable seed take the light-coloured vinegar of 1-2% as medium milling, standing, filter and obtain vinegar mill peanut oil;
(4), peanut meal after vinegar mill is carried out to regrind with the white wine of 10-15%, standing, filter and obtain wine and grind peanut oil;
(5), will just express oil from peanuts, vinegar mill peanut oil, wine mill peanut oil merges, and adds the deionized water that is equivalent to the heavy 50-60% of oil, the sodium bicarbonate of 1.5-3.5%, is heated to 60-70 ℃, stirs 30-40 minute, staticly settles 5-6-hour, filters impurity elimination; Then, then add the citric acid that is equivalent to the heavy 1-2% of oil, at aqueous phase, dissolve, be heated to 40-50 ℃, stir 30-40 minute, precipitation is removed in standing, filtration; Then, make oily water separation, the peanut oil dehydration after separation;
(6), peanut oil is through decolouring, filtration;
(7), obtain clean peanut oil.
the preparation method of described low-temperature cold pressing peanut oil, it is characterized in that in described step (6), decolouring adopts discoloring agent to be made by the raw material of following weight part: wilkinite 10-12, bamboo charcoal 6-8, the preparation method puts into 450-500 ℃ of lower roasting 3-4 hour by wilkinite, take out, wilkinite mixes with bamboo charcoal, put into the citric acid of 6-8%, soak 12-15 hour, filter and take out, the sodium hydrogen carbonate solution of putting into again 10-12% soaks 3-4 hour, then filter and take out the water cleaning repeatedly, under 14000-16000 rev/min of condition, stir 10-15 minute, dry and get final product.
The present invention adopts vinegar mill, wine mill, cold pressing process, has namely kept the advantage of first press for extracting juice, and simultaneously, vinegar mill, wine mill improve oil yield, can kill poisonous and harmful substances, have improved the quality of peanut oil.
Embodiment
A kind of preparation method of low-temperature cold pressing peanut oil comprises the following steps:
(1), by peanut except shell, slough scarlet, dry to water content 5-8%, and pulverize;
(3), the Semen arachidis hypogaeae after pulverizing sends into the oil press zhai squeezing and gets oil, obtain just expressing oil from peanuts;
(4), the peanut cake after squeezing takes out, and puts into steamer, in 100-110 ℃ of steam, steams 10-15 minute; Then the light-coloured vinegar take 2% is as medium milling, standing by vegetable seed, filters and obtains vinegar mill peanut oil;
(5), peanut meal after vinegar mill is carried out to regrind with 15% white wine, standing, filter and obtain wine and grind peanut oil;
(6), will just express oil from peanuts, vinegar mill peanut oil, wine mill peanut oil merges, and adds the deionized water that is equivalent to oily heavy 50-60%, 3.5% sodium bicarbonate, is heated to 60-70 ℃, stirs 30-40 minute, staticly settles 5-6-hour, filters impurity elimination; Then, then add and be equivalent to oil and weigh 2% citric acid, at aqueous phase, dissolve, be heated to 40-50 ℃, stir 30-40 minute, standing, filter and remove precipitation; Then, make oily water separation, the peanut oil dehydration after separation;
(7), peanut oil is through decolouring, filtration;
(8), obtain clean peanut oil.
The preparation method of described low-temperature cold pressing peanut oil, in its described step (6), decolouring adopts discoloring agent to be made by the raw material of following weight part (kilogram): wilkinite 10, bamboo charcoal 8, the preparation method puts into 450-500 ℃ of lower roasting 3 hours by wilkinite, take out, wilkinite mixes with bamboo charcoal, put into 8% citric acid, soaked 15 hours, filter and take out, putting into 12% sodium hydrogen carbonate solution soaked 4 hours again, then filter and take out the water cleaning repeatedly, under 14000-16000 rev/min of condition, stir 10-15 minute, dry and get final product.
After tested, its whole indexs reach or are better than country-level oil standard peanut oil of the present invention, and acute animal experiment proof belongs to nontoxic level.Oil quality is good, color, smell and taste are pure.

Claims (2)

1. the preparation method of a low-temperature cold pressing peanut oil is characterized in that comprising the following steps:
(1), by peanut except shell, slough scarlet, dry to water content 5-8%, and pulverize;
(2), the Semen arachidis hypogaeae after pulverizing sends into the oil press zhai squeezing and gets oil, obtain just expressing oil from peanuts;
(3), the peanut cake after squeezing takes out, and puts into steamer, in 100-110 ℃ of steam, steams 10-15 minute; Then by vegetable seed take the light-coloured vinegar of 1-2% as medium milling, standing, filter and obtain vinegar mill peanut oil;
(4), peanut meal after vinegar mill is carried out to regrind with the white wine of 10-15%, standing, filter and obtain wine and grind peanut oil;
(5), will just express oil from peanuts, vinegar mill peanut oil, wine mill peanut oil merges, and adds the deionized water that is equivalent to the heavy 50-60% of oil, the sodium bicarbonate of 1.5-3.5%, is heated to 60-70 ℃, stirs 30-40 minute, staticly settles 5-6-hour, filters impurity elimination; Then, then add the citric acid that is equivalent to the heavy 1-2% of oil, at aqueous phase, dissolve, be heated to 40-50 ℃, stir 30-40 minute, precipitation is removed in standing, filtration; Then, make oily water separation, the peanut oil dehydration after separation;
(6), peanut oil is through decolouring, filtration;
(7), obtain clean peanut oil.
2. the preparation method of low-temperature cold pressing peanut oil according to claim 1, it is characterized in that in described step (6), decolouring adopts discoloring agent to be made by the raw material of following weight part: wilkinite 10-12, bamboo charcoal 6-8, the preparation method puts into 450-500 ℃ of lower roasting 3-4 hour by wilkinite, take out, wilkinite mixes with bamboo charcoal, put into the citric acid of 6-8%, soak 12-15 hour, filter and take out, the sodium hydrogen carbonate solution of putting into again 10-12% soaks 3-4 hour, then filter and take out the water cleaning repeatedly, under 14000-16000 rev/min of condition, stir 10-15 minute, dry and get final product.
CN2013103099245A 2013-07-23 2013-07-23 Preparation method of low-temperature cold-pressed peanut oil Pending CN103396878A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103931787A (en) * 2014-03-21 2014-07-23 安徽省怀远县鑫泰粮油有限公司 Anti-aging antioxidant peanut oil and its preparation method
CN103931790A (en) * 2014-03-21 2014-07-23 安徽省怀远县鑫泰粮油有限公司 Heart-protecting peanut oil and its preparation method
CN104194919A (en) * 2014-07-15 2014-12-10 菏泽巨鑫源食品有限公司 Asparagus seed oil and preparation method thereof
CN104232293A (en) * 2014-09-28 2014-12-24 蒋艳玲 Peanut oil production process
CN107057826A (en) * 2016-10-22 2017-08-18 许星星 A kind of processing method of the delicate fragrance type peanut oil of resistance to oxidation
CN107760436A (en) * 2017-11-01 2018-03-06 安徽农业大学 A kind of preparation method of the Carya kernel oil rich in active component
CN109181855A (en) * 2018-09-30 2019-01-11 任小林 A kind of expansion extraction method of Zanthoxylum essential oil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1563309A (en) * 2004-04-20 2005-01-12 广东省农业科学院作物研究所 Preparation method for continuous extracting peanut grease and protein
CN201971809U (en) * 2011-03-30 2011-09-14 阜康市金岭粮油工贸有限责任公司 Novel natural flavour-increasing and flavour-retaining processing combined system for sunflower seed oil
CN102586011A (en) * 2011-12-01 2012-07-18 华中农业大学 A method for vegetable oil degumming by using phospholipase A2

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1563309A (en) * 2004-04-20 2005-01-12 广东省农业科学院作物研究所 Preparation method for continuous extracting peanut grease and protein
CN201971809U (en) * 2011-03-30 2011-09-14 阜康市金岭粮油工贸有限责任公司 Novel natural flavour-increasing and flavour-retaining processing combined system for sunflower seed oil
CN102586011A (en) * 2011-12-01 2012-07-18 华中农业大学 A method for vegetable oil degumming by using phospholipase A2

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103931787A (en) * 2014-03-21 2014-07-23 安徽省怀远县鑫泰粮油有限公司 Anti-aging antioxidant peanut oil and its preparation method
CN103931790A (en) * 2014-03-21 2014-07-23 安徽省怀远县鑫泰粮油有限公司 Heart-protecting peanut oil and its preparation method
CN104194919A (en) * 2014-07-15 2014-12-10 菏泽巨鑫源食品有限公司 Asparagus seed oil and preparation method thereof
CN104232293A (en) * 2014-09-28 2014-12-24 蒋艳玲 Peanut oil production process
CN107057826A (en) * 2016-10-22 2017-08-18 许星星 A kind of processing method of the delicate fragrance type peanut oil of resistance to oxidation
CN107760436A (en) * 2017-11-01 2018-03-06 安徽农业大学 A kind of preparation method of the Carya kernel oil rich in active component
CN109181855A (en) * 2018-09-30 2019-01-11 任小林 A kind of expansion extraction method of Zanthoxylum essential oil

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Application publication date: 20131120