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Method for microwave pretreatment and water extraction of edible oil

A technology of water extraction and pretreatment, which is applied in the direction of heating and preserving seeds, etc., can solve the problems of low oil yield of tea seed oil, restricting application, etc., and achieves the effect of simple process and improved oil yield.

Active Publication Date: 2012-07-11
SHAOGUAN COLLEGE
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, the oil yield of tea seed oil produced by aqueous enzymatic method, cold pressing method and water substitution method is low, which restricts its application in industry

Method used

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  • Method for microwave pretreatment and water extraction of edible oil
  • Method for microwave pretreatment and water extraction of edible oil

Examples

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Effect test

Embodiment 1

[0039] Example 1: Weigh 13.6 g of camellia oleifera seed dregs pretreated by microwave puffing, add 100 ml of 2.5% sodium chloride brine, stir in a water bath at 75°C for 1 hour, freeze and thaw the oil layer, and obtain 6.7 g of camellia oleifera seed oil.

Embodiment 2

[0040] Example 2: Weigh 5 grams of camellia oleifera seed dregs pretreated by microwave puffing, add 50 ml of 2.5% sodium chloride brine, mix well at room temperature, and place it. After the oil layer is frozen and thawed, 2.4 grams of camellia oleifera seed oil can be obtained.

[0041] In the present invention, in the presence of ethanol, ammonium bicarbonate and other puffing agents, the microwave puffing pretreatment of oil plants such as camellia seeds can fully destroy the cell structure of the oil plants, which is beneficial to improve the oil yield of the subsequent water immersion method; When extracting oil, adding NaCl and ethanol is beneficial to the rapid separation of oil and non-oil substances; oil extraction with water after microwave pretreatment is a green and safe production process; this production process has the advantages of simple process, low investment and easy industrial production features.

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Abstract

The invention relates to a method for microwave puffing pretreatment and water extraction of tea oil and other edible oil. The method comprises the following process steps of: adding ethanol at certain concentration, ammonia carbonate and other swelling agents, performing wet crushing, and performing microwave puffing treatment on tea seed and other oil; performing water extraction of oil, taking upper-layer oil, performing enzyme degumming by using phosphatidase, and filtering, or directly filtering; performing vacuum dehydration and drying to obtain the oil, dissolving tea saponin in tea seed residues in water, separating an aqueous phase, and clarifying and filtering to obtain an aqueous solution containing the tea saponin; and drying wet meal obtained through separation, and selling or developing into highly processed products such as tea seed sauce and the like. The production process has the characteristics of simple process, small investment and suitability for industrial production.

Description

technical field [0001] The invention belongs to the technical field of deep processing of agricultural and forestry by-products, and relates to a method for extracting edible oil in microwave pretreatment water processed by microwave puffing technology. Background technique [0002] Camellia oleifera seed, also known as camellia seed, is one of the four major woody oil plants in the world. It is mainly distributed in China and is a unique oil resource in our country. Camellia oleifera contains two main useful components, one is tea oil and the other is tea saponin. [0003] Tea seed oil, together with olive oil, is known as the world's two largest woody edible oils, and has been known as the "treasure in oil" since ancient times. It has been confirmed by the China Center for Disease Control that the quality of camellia oil is better than western olive oil. Compared with olive oil, high-grade refined tea oil has higher nutrition and health care quality. Olive oil contains 7...

Claims

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Application Information

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IPC IPC(8): A23B9/02
Inventor 张卫国
Owner SHAOGUAN COLLEGE
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