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High-quality high-oleic-acid-content peanut oil and preparation method thereof

A technology of high oleic acid and peanut oil, which is applied in the field of edible oil, can solve the problems of high-quality selenium-enriched high oleic peanut oil, etc., and achieve good application value and market prospect, high nutritional and healthy value, and good nutrition strengthening function Effect

Active Publication Date: 2020-02-14
INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing preparation method of selenium-enriched edible oil is mainly by adding selenium-enriched substances in edible oil (such as: CN104430946.A, CN106578138.A, CN108967559.A, CN109699757.A) and directly using selenium-enriched raw materials to squeeze and extract ( Such as: CN103931794.A, CN106554846.A, CN106973607.A, CN102835463.A, CN110150398.A), but because the content of oleic acid in the pressed raw material can significantly decrease with the increase of selenium-enriched amount, so although there is selenium-enriched peanut oil , but no high-quality selenium-enriched high-oleic peanut oil

Method used

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  • High-quality high-oleic-acid-content peanut oil and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Screen the fresh selenium-enriched camellia roots to remove stones, remove rotten roots and moldy roots, wash with water to remove mud, avoid light and ventilate, dry, and crush to 200 meshes; mix 90 parts of high-oleic acid peanuts with 10 parts of selenium-enriched peanuts, and use 500W power Microwave for 10 minutes to prepare Mixture 1. Mix 98 parts of compound 1 with 2 parts of selenium-enriched camellia root powder, and press in a cold-pressed oil press at a pressing temperature of 90°C, a pressing pressure of 45 MPa, and a pressing time of 100 minutes to obtain crude oil. The crude oil is finely filtered to discard impurities and minerals at the bottom, and the supernatant is taken to obtain high-quality high-oleic peanut oil.

[0032] The content of oleic acid in the peanut oil obtained in this embodiment reaches 79%, the content of unsaturated fatty acid reaches 86%, and no harmful substances such as trans fatty acid are detected; the content of selenium is as ...

Embodiment 2

[0034] Screen fresh selenium-enriched camellia roots to remove stones, remove rotten roots and moldy roots, wash with water to remove mud, avoid light and ventilate, dry, and crush to 100 mesh; mix 85 parts of high-oleic acid peanuts with 15 parts of selenium-enriched peanuts at 500W power Microwave for 15 minutes to prepare Mixture 1. Mix 86 parts of compound 1 with 14 parts of selenium-enriched camellia root, and press in an oil press at a pressing temperature of 80°C, a pressing pressure of 35 MPa, and a pressing time of 80 minutes to obtain crude oil. The crude oil is finely filtered to discard impurities and minerals at the bottom, and the supernatant is taken to obtain high-quality high-oleic peanut oil.

[0035] In the peanut oil obtained by the present embodiment, the oleic acid content reaches 75%, the unsaturated fatty acid content reaches 86%, and harmful substances such as trans fatty acids are not detected; the selenium content reaches 0.045mg / kg, and the squalene...

Embodiment 3

[0037] Screen fresh selenium-enriched camellia roots to remove stones, remove rotten roots and moldy roots, wash with water to remove mud, avoid light and ventilate, dry, and crush to 150 mesh; mix 98 parts of high-oleic acid peanuts with 2 parts of selenium-enriched peanuts under 500W power Microwave for 5 minutes to prepare Mixture 1. Mix 99 parts of mixture 1 with 1 part of selenium-enriched camellia root powder, and press in an oil press at a pressing temperature of 120°C, a pressing pressure of 45 MPa, and a pressing time of 40 minutes to obtain crude oil. The crude oil is finely filtered to discard impurities and minerals at the bottom, and the supernatant is taken to obtain high-quality high-oleic peanut oil.

[0038] In the peanut oil obtained by the present embodiment, the oleic acid content reaches 77.0%, the unsaturated fatty acid content reaches 86.4%, and no harmful substances such as trans fatty acids are detected; the selenium content reaches 0.049mg / kg, and the...

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Abstract

The invention discloses a preparation method of high-quality high-oleic-acid-content peanut oil, which comprises the following steps: step 1, mixing 85-99 parts by weight of high-oleic-acid-content peanuts with 1-15 parts by weight of selenium-rich peanuts, and carrying out microwave treatment to obtain a first mixture; step 2, mixing 1-14 parts by weight of selenium-rich camellia root powder with86-99 parts by weight of the first mixture to obtain a second mixture; step 3, putting the second mixture into an oil press for pressing to obtain crude oil; and step 4, carrying out refined filtration on the crude oil until the crude oil is clear and transparent so that the high-quality high-oleic-acid-content peanut oil is obtained. The peanut oil is prepared by adding a small amount of the selenium-enriched peanuts and the selenium-enriched camellia root powder and mixing and squeezing the selenium-enriched peanuts and the selenium-enriched camellia root powder with the high-oleic-acid peanuts, the content of oleic acid in the peanut oil is not reduced, meanwhile, the content of selenium in the peanut oil is increased, and the high-quality high-oleic-acid-content peanut oil is obtained.

Description

technical field [0001] The invention relates to the field of edible oil. More specifically, the present invention relates to a kind of high-quality high oleic peanut oil and its preparation method. Background technique [0002] Peanut oil is the fourth largest edible oil in my country. In recent years, due to its high oleic acid content, high oleic peanut oil has been proven to inhibit abnormal platelet aggregation and prevent heart disease, cerebral embolism and diabetes, which is comparable to olive oil. . With the deepening of research, squalene, phytosterols, V in high oleic peanut oil E The functionality of beneficial ingredients such as polyphenols and polyphenols has also been continuously reported. However, besides the high oleic acid content of high oleic peanut oil, other nutrients are not comprehensive enough. [0003] Selenium is an essential trace element needed by the human body. It has anti-cancer, anti-tumor, anti-oxidation, and anti-aging effects. Accord...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06C11B3/00
CPCC11B1/04C11B1/06C11B3/008
Inventor 王强郭芹李甜屈阳刘红芝王新萍刘丽胡晖石爱民宫旭洲杜祖波
Owner INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI