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Peanut oil supercritical extraction process

A peanut oil and supercritical technology, which is applied in the production of fat, edible oil/fat, fat oil/fat, etc., can solve the problems of health impact and taste, and achieve good safety, no solvent residue, and high oil quality Effect

Inactive Publication Date: 2015-12-09
查光圣
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AI Technical Summary

Problems solved by technology

The traditional pressing process of peanut oil includes sorting, steaming and frying, flaking, pressing, and filtering. The disadvantage of the existing technology is that after obtaining peanut crude oil, the whole production process is completed by simply filtering to remove impurities. The phospholipids contained in the food have not been processed accordingly, which will affect the taste and affect the health of the body

Method used

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Experimental program
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Effect test

Embodiment Construction

[0015] A kind of peanut oil production process:

[0016] A. Carry out drying to peanut kernel, control moisture content 4%;

[0017] B. Put the dried peanut kernels into a freezer at -25°C for 6 hours, then place them in a vacuum environment at -10°C for 7 hours, and finally place them in a vacuum environment at 45°C for 3 hours;

[0018] C, pulverize the peanut kernels obtained after the treatment of B, and sieve with a 20-mesh sieve;

[0019] D. CO 2 Supercritical extraction, fluid extraction pressure is 40MPa, extraction temperature is 40°C, CO 2 Fluid flow is

[0020] 1000L / h, the extraction time is 70 minutes, and the peanut kernel crude oil is obtained;

[0021] E, ultra-microfiltration removes lipoxygenase, selects the ultra-micro-filtration membrane of molecular weight cut-off 80-120kD, carries out ultra-micro-filtration process to the filtered peanut oil;

[0022] F. Ultraviolet irradiation, the filtered peanut oil flows through the irradiation device above which...

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Abstract

The present invention provides a peanut oil supercritical extraction process, wherein CO2 supercritical extraction and ultramicro-filtration are performed to obtain the peanut oil. According to the present invention, no chemical reagent is added in the production process, especially in the peanut oil refining process, the pure physical method is used to refine, and the obtained peanut oil retains the specific flavonoids, arachidic acid, vitamin E and other active substances of the peanut, and further has characteristics of no solvent residue, no pollution, good safety and high oil product quality; no chemical reagent is added during the refining process, such that no chemical residue reagent exists, and the obtained product can be adopted as the excellent high-end edible oil and cosmetics, or pharmaceutical additives; and the product has characteristics of thick aroma and unique flavor, can be widely suitable for cooking various foods and dishes, has effects of high nutritional value, health preserving, and high anti-oxidation active ingredient ensuring, and is particularly suitable for being promoted in the technical field of small batch special oil promotion.

Description

technical field [0001] The invention relates to a method for supercritical extraction of peanut oil, and belongs to the technical fields of biology and new medical technology, modern agricultural technology, deep processing of agricultural products and modern storage and transportation, and value-added processing of agricultural and forestry products and special resources. Background technique [0002] Peanut oil is light yellow and transparent, with clear color, fragrant smell and delicious taste. It is a kind of edible oil that is relatively easy to digest. [0003] my country's edible peanut oil has a long history. The traditional pressing process of peanut oil includes sorting, steaming and frying, flaking, pressing, and filtering. The disadvantage of the existing technology is that after obtaining peanut crude oil, the whole production process is completed by simply filtering to remove impurities. The phospholipids contained in the food have not been processed acco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10C11B3/00A23D9/02
Inventor 不公告发明人
Owner 查光圣
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