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A kind of production method of Chinese torreya refined oil

A production method and technology for refining oil, which are applied in the directions of fat oil/fat production, production of fat, edible oil/fat, etc., can solve the problem that it is difficult to retain the flavor, taste and smell of Torreya oil, and achieve high oil yield and operability. Strong performance and clear process parameters

Active Publication Date: 2021-12-07
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The biggest problem is that although the undesired substances in the crude oil can be removed after refining and the product quality meets the relevant national standards for edible oil, it is difficult to retain the original fatty acid components of Torreya oil and the unique flavor, taste and smell of Torreya oil , and there is a risk of producing undesirable substances such as trans fatty acids

Method used

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  • A kind of production method of Chinese torreya refined oil
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  • A kind of production method of Chinese torreya refined oil

Examples

Experimental program
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Effect test

Embodiment 1

[0027] A kind of production method of Torreya torreya refined oil, comprises the following steps:

[0028] 1. Extraction of crude oil: press the sun-dried Chinese torreya seeds at a low temperature within 80°C and press filter twice at normal temperature to obtain Chinese torreya crude oil, and the impurity content in the Chinese torreya crude oil is less than 0.25wt%;

[0029] 2. Refining:

[0030] a) Degumming: Mix crude oil and water at a temperature of 35°C in a weight ratio of 10:0.7, stir at 35°C for 10 minutes, then let it stand for 2.5 hours, and then use sedimentation to remove impurities and water in the lower layer to obtain degumming Oil;

[0031] b) Deacidification: mix degummed oil with sodium hydroxide solution and deacidify at 45°C to obtain deacidified oil; the weight of sodium hydroxide in the added sodium hydroxide solution is 1 / 10-2 of the weight of degummed oil / 10;

[0032] c) Decolorization: Add the deacidified oil into the decolorized kettle and heat...

Embodiment 2

[0035] A kind of production method of Torreya torreya refined oil, comprises the following steps:

[0036] 1. Extraction of crude oil: press the sun-dried Chinese torreya seeds at a low temperature within 80°C and press filter twice at normal temperature to obtain Chinese torreya crude oil, and the impurity content in the Chinese torreya crude oil is less than 0.25wt%;

[0037] 2. Refining:

[0038] a) Degumming: Mix crude oil and water at a temperature of 90°C at a weight ratio of 10:1.3, stir at 90°C for 20 minutes, then let it stand for 3.5 hours, and then use sedimentation to remove impurities and water in the lower layer to obtain degumming Oil;

[0039] b) deacidification: the degummed oil and sodium hydroxide are mixed according to the solution and deacidified at 90° C. to obtain the deacidified oil; the weight of sodium hydroxide in the added sodium hydroxide solution is 2 / 10 of the weight of the degummed oil;

[0040] c) Decolorization: Add the deacidified oil into ...

Embodiment 3

[0043] A kind of production method of Torreya torreya refined oil, comprises the following steps:

[0044] 1. Extraction of crude oil: press the sun-dried Chinese torreya seeds at a low temperature within 80°C and press filter twice at normal temperature to obtain Chinese torreya crude oil, and the impurity content in the Chinese torreya crude oil is less than 0.25wt%;

[0045] 2. Refining:

[0046] a) Degumming: Mix crude oil and water at a temperature of 40°C in a weight ratio of 10:1, stir at 40°C for 15 minutes, then let it stand for 3 hours, and then use sedimentation to remove impurities and water in the lower layer to obtain degumming Oil;

[0047] b) deacidification: the degummed oil and sodium hydroxide are mixed according to the solution and deacidified at 50° C. to obtain the deacidified oil; the weight of sodium hydroxide in the added sodium hydroxide solution is 3 / 20 of the weight of the degummed oil;

[0048] c) Decolorization: add the deacidified oil into the ...

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Abstract

The invention belongs to the technical field of oil refining. The invention discloses a production method of Chinese torreya refined oil, which comprises two processes of crude oil extraction and refining, wherein the refining includes process steps such as degumming, deacidification, decolorization and winterization. The invention aims at the problem that there is no special production technology for the production of Torreya oil, and provides a set of special processes for refining and processing Torreya oil. The refining technology provided by the invention has simple refining process, clear process parameters, and strong operability; the quality index of refined oil meets the national edible oil standard, and the fatty acid remains original ecology; the refined oil retains the inherent taste, smell and flavor of Chinese torreya oil; refining There are no crystals, ribbons, granular crystals or trace cloud-like precipitations during the oil storage process, and the product performance is good; the refined oil yield is high and the refining cost is low.

Description

technical field [0001] The invention relates to the technical field of oil refining, in particular to a production method of Torreya torreya refined oil. Background technique [0002] Torreya is a plant of the genus Torreya of the gymnosperm family Taxaceae (Taxaceae), and is an evergreen large tree. There are 3 species and 2 varieties of torreya in China: the first variety is Torrey agrandis Fort. ex Lindl., which is distributed in Zhejiang, Anhui, Fujian and Jiangxi; Torreya fargesii in Xinghe Emei area; the third variety is Torreya jackii in Zhejiang, Fujian and Jiangxi; the first of the two varieties is Torreya fargesii in Yunnan (and Burma) (Torreya fargesii var.yunnanensis), the second variety is Torreya grandis var.jiulongshanensis distributed in Suichang, Zhejiang. Torreya grandis (Torreya grandis Fort.var.Merrillii) is mainly eaten by artificial planting or harvesting of Torreya seeds. It is a variety (line) artificially bred from Torreya trees. It is propagated a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/06C11B3/00C11B3/06C11B3/10C11B3/16C11B7/00A23D9/04
CPCA23D9/04C11B1/06C11B3/001C11B3/008C11B3/06C11B3/10C11B3/16C11B7/0075
Inventor 胡文君卢红伶裘晓云陈琳沈国新
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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