CN110684592A - Production method of blended peanut oil - Google Patents
Production method of blended peanut oil Download PDFInfo
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- CN110684592A CN110684592A CN201911089265.2A CN201911089265A CN110684592A CN 110684592 A CN110684592 A CN 110684592A CN 201911089265 A CN201911089265 A CN 201911089265A CN 110684592 A CN110684592 A CN 110684592A
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- Prior art keywords
- peanut
- oil
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- washing
- blended
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Classifications
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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
- C11B1/08—Production of fats or fatty oils from raw materials by pressing by hot pressing
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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
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/16—Refining fats or fatty oils by mechanical means
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- Seeds, Soups, And Other Foods (AREA)
Abstract
The invention belongs to the technical field of vegetable oil production, and particularly relates to a production method of blended peanut oil. The method comprises the steps of firstly washing peanut kernels with alkali, washing with water, then drying at a low temperature to a certain water content for crushing, finally drying at a high temperature, squeezing and adding grape seed oil for blending.
Description
Technical Field
The invention belongs to the technical field of vegetable oil production, and particularly relates to a production method of blended peanut oil.
Background
The peanut oil is light yellow and transparent, has clear color and luster, fragrant smell and delicious taste, and is edible oil which is easier to digest. The peanut oil contains more than 80 percent of unsaturated fatty acid (41.2 percent of oleic acid and 37.6 percent of linoleic acid). In addition, it also contains saturated fatty acids such as palmitic acid, stearic acid and arachidic acid 19.9%. The fatty acid composition of the peanut oil is better and is easy to digest and absorb by human bodies. According to foreign data, edible peanut oil can decompose cholesterol in human body into bile acid and discharge the bile acid out of human body, thereby reducing the content of cholesterol in blood plasma. In addition, the peanut oil also contains substances which are beneficial to human bodies, such as sterol, wheat germ phenol, phospholipid, vitamin E, choline and the like. By eating peanut oil regularly, the skin is prevented from wrinkling, aging and thrombosis are prevented, and arteriosclerosis and coronary heart disease are prevented. The choline in the peanut oil can also improve the memory of human brain and delay the decline of brain function. The prior peanut oil production has the defects of low oil yield, easy oxidation and the like.
Disclosure of Invention
Aiming at the problems, the invention provides a production method of blended peanut oil, which can improve the oil yield of peanuts and effectively prevent the peanut oil from being oxidized.
The invention relates to a production method of blended peanut oil, which comprises the following specific steps:
(1) shelling peanuts, screening qualified peanut kernels, washing with alkali, and washing with water to neutrality;
(2) drying the cleaned peanut kernels at 50-80 ℃ until the water content is 20-30%, and then crushing the peanut kernels into peanut particles;
(3) parching the above peanut particles at 250 deg.C and 200 deg.C for 30-50 min;
(4) putting the roasted peanut particles into a squeezer to squeeze to obtain crude oil;
(5) settling and filtering the crude oil, and then adding grape seed oil into the crude oil to obtain a final oil product.
According to the method, firstly, alkali washing is carried out on the peanut kernels, so that on one hand, aflatoxin possibly attached to the surfaces of the peanut kernels can be decomposed; on the other hand, the method is also the most important, can exert certain destruction effect on the cell wall of the peanut kernel under the strong alkaline condition, and is favorable for improving the oil yield of later-stage oil extraction. The alkali washing in the step (1) is alkali washing by adopting a sodium hydroxide solution with the pH value of 9-10; sodium hydroxide solution: the ratio of peanut kernels to peanut kernels is 10: 1-5; the alkali washing time is 30-60 min.
The washed peanut kernels are dried at 50-80 ℃ until the water content is 20-30%, so that the peanut kernels can be crushed in the later period, the cell walls of the peanut kernels can be further softened, and the wall breaking in the later period is facilitated. Therefore carry out broken handle to the peanut kernel, on the one hand carried out preliminary broken wall to its cell wall, on the other hand mainly is in order to increase the high temperature heating area of contact of peanut niblet, and the high temperature is fully fried by fire can make protein and sugar in the peanut niblet react for the peanut oil fragrance that makes is strong. The particle size of the peanut particles in the step (2) is 2-5mm, and the peanut particles are baked and fried for 30-50min at the temperature of 200-.
The squeezing, the settling and the filtering of the invention adopt the known technology in the field.
The invention adds grape seed oil into crude oil after settling and filtering. The grape seed oil is rich in vitamin E, has strong oxidation resistance, can effectively prolong shelf life, and is not easy to cause oxidation rancidity phenomenon caused by illumination, heat radiation and contact with air. In addition, the grape seed oil has two very important elements, namely linoleic acid and proanthocyanidin, so that the nutritional defect of the pure peanut oil is overcome, and the grape seed oil is more suitable for consumers to eat.
The method firstly adopts alkali washing to the peanut kernels, so that the aflatoxin is prevented from entering oil products in the later period, and meanwhile, a certain wall breaking effect is also exerted on the cell walls of the peanut kernels. The groundnut kernels after washing are dried at low temperature to certain water content, so that the groundnut kernels can be crushed in the later period, the high-temperature heating contact area is increased, the cell walls of the groundnut kernels can be further softened, and the wall breaking in the later period is facilitated. The grape seed oil is added into the final oil product, so that the oxidation of the peanut oil is effectively avoided, and the nutritional structure of the peanut oil is enriched. The invention can improve the oil yield of the peanut and effectively prevent the oxidation phenomenon in the production process of the peanut oil.
Detailed Description
Example 1
A production method of blended peanut oil comprises the following specific steps:
(1) shelling peanuts, screening qualified peanut kernels, washing with alkali, and washing with water to neutrality;
(2) drying the cleaned peanut kernels at 50 ℃ until the water content is 20%, and then crushing the peanut kernels into peanut particles;
(3) parching the above peanut granules at 200 deg.C for 50 min;
(4) putting the roasted peanut particles into a squeezer to squeeze to obtain crude oil;
(5) settling and filtering the crude oil, and then adding grape seed oil into the crude oil to obtain a final oil product.
The alkali washing in the step (1) is alkali washing by adopting a sodium hydroxide solution with a pH value of 9; sodium hydroxide solution: the ratio of peanut kernels to peanut kernels is 10: 1; the alkaline washing time is 60 min.
The particle size of the peanut particles in the step (2) is 2-3 mm.
And (5) adding 3% of the grape seed oil in the step (5).
Example 2
A production method of blended peanut oil comprises the following specific steps:
(1) shelling peanuts, screening qualified peanut kernels, washing with alkali, and washing with water to neutrality;
(2) drying the cleaned peanut kernels at 70 ℃ until the water content is 30%, and then crushing the peanut kernels into peanut particles;
(3) parching the above peanut granules at 250 deg.C for 40 min;
(4) putting the roasted peanut particles into a squeezer to squeeze to obtain crude oil;
(5) settling and filtering the crude oil, and then adding grape seed oil into the crude oil to obtain a final oil product.
The alkali washing in the step (1) is alkali washing by adopting a sodium hydroxide solution with a pH value of 10; sodium hydroxide solution: the ratio of peanut kernels to 10: 5; the alkaline washing time is 50 min.
The particle size of the peanut particles in the step (2) is 2-5 mm.
And (5) adding 2% of the grape seed oil in the step (5).
Example 3
A production method of blended peanut oil comprises the following specific steps:
(1) shelling peanuts, screening qualified peanut kernels, washing with alkali, and washing with water to neutrality;
(2) drying the cleaned peanut kernels at 80 ℃ until the water content is 25%, and then crushing the peanut kernels into peanut particles;
(3) parching the above peanut granules at 220 deg.C for 30 min;
(4) putting the roasted peanut particles into a squeezer to squeeze to obtain crude oil;
(5) settling and filtering the crude oil, and then adding grape seed oil into the crude oil to obtain a final oil product.
The alkali washing in the step (1) is alkali washing by adopting a sodium hydroxide solution with a pH value of 10; sodium hydroxide solution: the ratio of peanut kernels to peanut kernels is 10: 3; the alkaline washing time is 30 min.
The particle size of the peanut particles in the step (2) is 4-5 mm.
And (5) adding 3% of the grape seed oil in the step (5).
Example 4
A production method of blended peanut oil comprises the following specific steps:
(1) shelling peanuts, screening qualified peanut kernels, washing with alkali, and washing with water to neutrality;
(2) drying the cleaned peanut kernels at 60 ℃ until the water content is 30%, and then crushing the peanut kernels into peanut particles;
(3) parching the above peanut granules at 250 deg.C for 50 min;
(4) putting the roasted peanut particles into a squeezer to squeeze to obtain crude oil;
(5) settling and filtering the crude oil, and then adding grape seed oil into the crude oil to obtain a final oil product.
The alkali washing in the step (1) is alkali washing by adopting a sodium hydroxide solution with a pH value of 10; sodium hydroxide solution: the ratio of peanut kernels to peanut kernels is 10: 2; the alkaline washing time is 60 min.
The particle size of the peanut particles in the step (2) is 2-5 mm.
And (5) adding 1% of the grape seed oil in the step (5).
Claims (4)
1. The production method of the blended peanut oil is characterized by comprising the following specific steps:
(1) shelling peanuts, screening qualified peanut kernels, washing with alkali, and washing with water to neutrality;
(2) drying the cleaned peanut kernels at 50-80 ℃ until the water content is 20-30%, and then crushing the peanut kernels into peanut particles;
(3) parching the above peanut particles at 250 deg.C and 200 deg.C for 30-50 min;
(4) putting the roasted peanut particles into a squeezer to squeeze to obtain crude oil;
(5) settling and filtering the crude oil, and then adding grape seed oil into the crude oil to obtain a final oil product.
2. The production method of blended peanut oil as claimed in claim 1, wherein the alkali washing in the step (1) is alkali washing by sodium hydroxide solution with pH value of 9-10; sodium hydroxide solution: the ratio of peanut kernels to peanut kernels is 10: 1-5; the alkali washing time is 30-60 min.
3. A process of producing tempered peanut oil as claimed in claim 1 wherein the size of the peanut pieces of step (2) is 2-5 mm.
4. The method for producing blended peanut oil as claimed in claim 1, wherein the grape seed oil added in step (5) is 1-3% of the crude oil by mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911089265.2A CN110684592A (en) | 2019-11-08 | 2019-11-08 | Production method of blended peanut oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911089265.2A CN110684592A (en) | 2019-11-08 | 2019-11-08 | Production method of blended peanut oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110684592A true CN110684592A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911089265.2A Pending CN110684592A (en) | 2019-11-08 | 2019-11-08 | Production method of blended peanut oil |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936266A1 (en) * | 1998-02-13 | 1999-08-18 | Lipidia Holding S.A. | Refining of edible oil retaining maximum antioxidative potency |
| CN104893820A (en) * | 2015-07-02 | 2015-09-09 | 林华荣 | Pure natural densely-fragrant peanut oil manufacturing process |
| CN105309623A (en) * | 2014-06-25 | 2016-02-10 | 武永福 | Corn peanut milk beverage and production process thereof |
| CN106106851A (en) * | 2016-07-19 | 2016-11-16 | 杭州雪梨花食品有限公司 | A kind of mixed oil and preparation technology thereof |
| CN106520365A (en) * | 2017-01-08 | 2017-03-22 | 山东乐悠悠花生油科技有限公司 | Processing process for strong-flavor peanut oil with low aflatoxin content |
| CN106978251A (en) * | 2016-01-19 | 2017-07-25 | 陆泽举 | A kind of preparation method of sunflower seeds peanut ready-mixed oil |
| CN109536274A (en) * | 2019-01-28 | 2019-03-29 | 武汉轻工大学 | A kind of preparation method of flavor peanut oil |
-
2019
- 2019-11-08 CN CN201911089265.2A patent/CN110684592A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936266A1 (en) * | 1998-02-13 | 1999-08-18 | Lipidia Holding S.A. | Refining of edible oil retaining maximum antioxidative potency |
| CN105309623A (en) * | 2014-06-25 | 2016-02-10 | 武永福 | Corn peanut milk beverage and production process thereof |
| CN104893820A (en) * | 2015-07-02 | 2015-09-09 | 林华荣 | Pure natural densely-fragrant peanut oil manufacturing process |
| CN106978251A (en) * | 2016-01-19 | 2017-07-25 | 陆泽举 | A kind of preparation method of sunflower seeds peanut ready-mixed oil |
| CN106106851A (en) * | 2016-07-19 | 2016-11-16 | 杭州雪梨花食品有限公司 | A kind of mixed oil and preparation technology thereof |
| CN106520365A (en) * | 2017-01-08 | 2017-03-22 | 山东乐悠悠花生油科技有限公司 | Processing process for strong-flavor peanut oil with low aflatoxin content |
| CN109536274A (en) * | 2019-01-28 | 2019-03-29 | 武汉轻工大学 | A kind of preparation method of flavor peanut oil |
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Application publication date: 20200114 |
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