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Method for decoloring cornus walteri seed oil through emulsification

A technology of trichoseed and seed oil, applied in the direction of edible oil/fat, application, fat oil/fat production, etc., to achieve the effect of reducing production cost and saving decolorization equipment

Inactive Publication Date: 2016-12-07
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emulsification decolorization process has remarkable effect and the process is simple and easy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0021] 1. Extraction of Trichosanthes Seed Oil

[0022] Take 1000g of clean and plump Trichosanthes seeds, put them in a pulverizer and crush them, take them out, wrap them with filter paper and put them in a Soxhlet extractor, add 3000mL of n-hexane into a round bottom flask, put the Soxhlet extraction device in The extraction was carried out at a temperature of 60°C. After the extraction, the liquid was evaporated in a rotary evaporator, and the remaining oil sample liquid was the capsicum seed oil, which was used as the crude oil for subsequent experiments.

[0023] 2. Crude oil degumming pretreatment

[0024] Take 200g of crude oil and put it in a beaker, add 10% distilled water, put a magnet, put the beaker on a magnetic stirrer and heat it in a water bath, when the temperature rises to 70°C, adjust the speed to 300r / min, and stir for 15 minutes Afterwards, flocculent precipitates were found, which were placed in a 50 mL centrifuge tube, centrifuged at 3500 r / min for 10 ...

example 2

[0030] 1. Extraction of Trichosanthes Seed Oil

[0031] Take 1000g of clean and plump Trichosanthes seeds, put them in a pulverizer and crush them, take them out, wrap them with filter paper and place them in a Soxhlet extractor, add 3500 mL of n-hexane into a round bottom flask, install the Soxhlet extraction device, and place The extraction was carried out at a temperature of 70°C. After the extraction, the liquid was evaporated in a rotary evaporator, and the remaining oil sample liquid was the capsicum seed oil, which was used as the crude oil for subsequent experiments.

[0032] 2. Crude oil degumming pretreatment

[0033] Take 200g of crude oil and put it in a beaker, add 10% distilled water, put a magnet, put the beaker on a magnetic stirrer and heat it in a water bath, when the temperature rises to 80°C, adjust the speed to 500r / min, and stir for 20min Afterwards, flocculent precipitates were found, which were placed in a 50mL centrifuge tube, centrifuged at 4000r / min...

example 3

[0039] 1. Extraction of Trichosanthes Seed Oil

[0040] Take 1000g of clean and plump Trichosanthes seeds, put them in a pulverizer and crush them, take them out, wrap them with filter paper and place them in a Soxhlet extractor, add 3200 mL of n-hexane into a round bottom flask, install the Soxhlet extraction device, and place The extraction was carried out at a temperature of 65 °C. After the extraction, the liquid was evaporated in a rotary evaporator, and the remaining oil sample liquid was the capsicum seed oil, which was used as the crude oil for subsequent experiments.

[0041] 2. Crude oil degumming pretreatment

[0042] Take 200g of crude oil and put it in a beaker, add 10% distilled water, put a magnet, place the beaker on a magnetic stirrer and heat it in a water bath, when the temperature rises to 75°C, adjust the speed to 400 r / min, stir After 18 min, a flocculent precipitate was found, which was placed in a 50 mL centrifuge tube, centrifuged at 3800 r / min for 12...

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Abstract

The invention discloses a method for decoloring dark-color high-acid-value cornus walteri seed oil. The method includes the steps that cornus walteri seeds serve as raw materials and are subjected to soxhlet extraction through normal hexane, and crude cornus walteri seed oil is obtained; 10% of distilled water is added at a certain temperature, the mixture is rapidly stirred for degumming pretreatment, a NaOH solution of 0.3 mol / L to 0.5 mol / L is added into the obtained degummed oil, the mixture is stirred at the speed of 200 r / min to 300 r / min, and the emulsion of the degummed oil is obtained; in other words, emulsification of the oil occurs; a NaCl saturated solution is added into the emulsion, and demulsification can occur; after demulsification, pigment sinks while saponin sinks, and the color of the oil at the upper portion is obviously reduced. The absorbance of the oil ranges from 0.200 to 0.300. A traditional active carbon decoloring method and a traditional hargil decoloring method are not remarkable in effect, and the color is too dark to measure the absorbance. The emulsification decoloring technology is remarkable in effect, simple and practicable.

Description

technical field [0001] The invention relates to a decolorization method of dark edible woody oil, in particular to an emulsification decolorization process of high-acid value dark hairy seed oil, and belongs to the technical fields of advanced manufacturing, agricultural high technology and bioengineering. Background technique [0002] my country's edible oil market is dominated by soybean oil, rapeseed oil, peanut oil, etc., which basically belong to herbal oils. However, herbaceous oil plants need to be planted and harvested every year, the process is cumbersome, and the yield is low. Therefore, in recent years, my country has vigorously developed woody oil plants, and actively developed woody oil plants such as camellia oleifera and walnut. As a new type of woody oilseed, Trichosanthes has high yield, is resistant to barrenness and drought, and is rich in fatty acid content. It can bear fruit after planting for 3 to 5 years, and the full fruit period can be as high as 60 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/10C11B3/00C11B3/06A23D9/04
CPCC11B1/10A23D9/04C11B1/108C11B3/001C11B3/06
Inventor 王成忠赵晓红
Owner QILU UNIV OF TECH
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