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Method for refining kernel oil of lacquer tree seeds

A technology of sumac seed and kernel oil, which is applied in the fields of fat oil/fat refining, edible oil/fat, fat oil/fat production, etc. It can solve the problems of increased solvent consumption, increased production cost, and difficult access to factories, so as to reduce refining loss rate, reduce dosage, and avoid denaturation effect

Inactive Publication Date: 2018-12-14
王忠良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the refining of mixed oil is carried out in the leaching workshop, all equipment must be explosion-proof and non-leakage. Nitrogen treatment must be carried out when starting and stopping, and corresponding fire-fighting facilities must be provided. This is very difficult for ordinary factories. of
Secondly, centrifuges have relatively strict requirements on impurities in crude oil. Foreign centrifuges generally require that the impurity content be below 0.2%, which is difficult for general factories to achieve. At the same time, the drum must be cleaned regularly, which virtually increases solvent consumption and causes production Increased costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A kind of sumac seed kernel oil refining method, comprises the following steps:

[0038] (1) Freezing: collect fresh sumac seeds without mold, and then freeze them at -30°C for 1 hour;

[0039] (2) Separation of skin and core: Put the sumac seeds on the seed rubbing machine, rub the sumac seeds for 15 minutes under the pressure of 1kg and the rotating speed of the turntable at 200r / min;

[0040] (3) Screening: screening by vibrating sieve, and collecting the sifted sumac seed cortex and nucleolus respectively;

[0041] (4) Pressing: send the sumac seed kernels to the press machine for oil extraction, and then obtain the sumac seed kernel virgin oil and the sumac seed kernel cake, and collect the virgin sumac seed kernel oil 1;

[0042] (5) Leaching: add solvent 95% ethanol to the squeezed sumac seed kernel cake to further extract sumac seed kernel oil at a solid-to-liquid ratio of 1:5 calculated according to the weight-to-volume ratio;

[0043] (6) Desolventization: D...

Embodiment 2

[0048] A kind of sumac seed kernel oil refining method, comprises the following steps:

[0049] (1) Freezing: collect fresh sumac seeds without mold, and then freeze them at -10°C for 15 hours;

[0050] (2) Separation of skin and core: Put the sumac seeds on the seed rubbing machine, rub the sumac seeds for 5 minutes under the pressure of 8kg and the rotating speed of the turntable at 20r / min;

[0051] (3) Screening: screening by vibrating sieve, and collecting the sifted sumac seed cortex and nucleolus respectively;

[0052] (4) Pressing: send the sumac seed kernels to the press machine for oil extraction, and then obtain the sumac seed kernel virgin oil and the sumac seed kernel cake, and collect the virgin sumac seed kernel oil 1;

[0053] (5) Leaching: add solvent water to the squeezed sumac seed kernel cake to calculate the solid-to-liquid ratio of 1:20 according to the weight-to-volume ratio to further extract sumac seed kernel oil;

[0054] (6) Desolventization: Desol...

Embodiment 3

[0059] A kind of sumac seed kernel oil refining method, comprises the following steps:

[0060] (1) Freezing: collect fresh sumac seeds without mold, and then freeze them at -20°C for 5 hours;

[0061] (2) Separation of skin and core: put sumac seeds on the seed rubbing machine, rub the sumac seeds for 10 minutes under the pressure of 4kg and the rotating speed of the turntable at 100r / min;

[0062] (3) Screening: screening by vibrating sieve, and collecting the sifted sumac seed cortex and nucleolus respectively;

[0063] (4) Pressing: send the sumac seed kernels to the press machine for oil extraction, and then obtain the sumac seed kernel virgin oil and the sumac seed kernel cake, and collect the virgin sumac seed kernel oil 1;

[0064] (5) Leaching: adding solvent (ethanol, water, mass ratio 1:1) to the squeezed sumac seed kernel cake according to the weight-to-volume ratio to a solid-liquid ratio of 1:15 to further extract sumac seed kernel oil;

[0065] (6) Desolventiz...

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Abstract

The invention discloses a method for refining kernel oil of lacquer tree seeds. The method comprises the steps of: lacquer tree seed freezing, peel-nucleus separation, screening, pressing, leaching, desolvation, extraction and merging, desolvation is conducted through a membrane evaporator by using a high-vacuum membrane evaporation mode, and extraction is conducted through supercritical carbon dioxide extraction. The invention also provides the lacquer tree seed kernel oil prepared by using the method, and the method for refining the kernel oil of lacquer tree seeds has a simple and convenient process; the lacquer tree seed kernel oil extracted by using the method has high purity, and denaturation of free urushiol is avoided, so that the color, quality and use performance of the oil are good, the production cost is greatly reduced, and the refining loss rate of the lacquer tree seed kernel oil is reduced; and therefore, the method is suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the technical field of preparation methods of edible oils and fats, more specifically, to the technical field of a refining process of sumac seed kernel oil, in particular to a refining method of sumac seed kernel oil. Background technique [0002] The lacquer tree is a kind of economic forest that is full of treasures. As we all know, lacquered wood is a high-quality wood that is resistant to corrosion and moisture; raw lacquer produced from lacquer trees is an important raw material for the production of ultra-durable anti-corrosion coatings, ecological high-grade urushiol furniture lacquer, exquisite lacquer, lacquer furniture, raw lacquer wood floor strips, etc., and is currently the only The natural, renewable, and excellent performance bio-based coatings have the reputation of "the king of coatings"; the leaves, flowers, fruits and dry lacquer of sumac trees are all traditional Chinese medicinal materials. Sumac seeds ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/06C11B1/10C11B3/00C11B3/16A23D9/02
CPCA23D9/02C11B1/04C11B1/06C11B1/10C11B1/104C11B1/108C11B3/001C11B3/006C11B3/16
Inventor 王忠良
Owner 王忠良
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