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Method for preparing camellia oil

A technology of camellia oil and crude oil, which is applied in the direction of fat oil/fat refining and fat production, can solve the problems that the nutritional value of camellia oil is not reflected, the consumption of production auxiliary materials is large, and the oil yield is low, so that the deodorization time is short and the production Low cost and improved oil yield

Inactive Publication Date: 2010-09-15
黄崇芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional oil extraction method is processed in small workshops, with many impurities and dark color, and the oil is eaten directly without treatment, and the nutritional value of camellia oil has not been reflected
In addition, there is also a conventional alkali refining process. The production process will produce a large amount of saponins, and neutral oil is entrained, the oil yield is low, the waste water is large, and the consumption of production auxiliary materials is large.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Take 100 parts of tea seed crude oil with an impurity content less than 0.3% by weight and heat it to 55°C, add 0.1 part of citric acid, stir for 14 minutes, then add 8 parts of 60°C water, stir for 6 minutes, let stand for 3 hours, remove impurities and water;

[0015] The crude oil is at 245°C and the vacuum is greater than 200Pa, steam distillation makes the free fatty acid in the crude oil less than 0.3%; when the crude oil is at 40°C, add a 13% sodium silicate solution, stir for 8 minutes, and then add % sodium hydroxide solution, stirred for 25 minutes, then added 8 parts of water at 65°C, and stood for 1.5 hours to remove the hydrated saponins, so that the acid value of the crude oil was not greater than 0.15KOH / g;

[0016] When the crude oil temperature is 65°C, add 12 parts of 70°C water, let it stand for 1 hour, remove the water, and dry it under vacuum -0.085MPa, temperature 100°C, and the water content is less than 0.4%;

[0017] When the temperature of the...

Embodiment 2

[0021] Take 100 parts of tea seed crude oil with an impurity content less than 0.3% by weight and heat it to ~75°C, add 0.4 parts of citric acid, stir for 18 minutes, then add 16 parts of 75°C water, stir for 15 minutes, and let it stand for 7 hours. remove impurities and water;

[0022] The crude oil is at 255°C and the vacuum is greater than 200Pa, steam distillation makes the free fatty acid in the crude oil less than 0.3%; when the crude oil is at 50°C, add a 13% sodium silicate solution, stir for 8 minutes, and then add % sodium hydroxide solution, stirred for 40 minutes, then added 16 parts of water at 85°C, and stood for 3.5 hours to remove hydrated saponins, so that the acid value of crude oil was not greater than 0.15KOH / g;

[0023] When the crude oil temperature is 75°C, add 20 parts of 85°C water, let it stand for 2 hours, remove the water, and dry it under vacuum -0.085MPa, temperature 110°C, and the water content is less than 0.4%;

[0024] When the crude oil tem...

Embodiment 3

[0028] Take 100 parts of tea seed crude oil with an impurity content less than 0.3% by weight and heat it to 60°C, add 0.25 parts of citric acid, stir for 16 minutes, then add 12 parts of 65°C water, stir for 12 minutes, let it stand for 4 hours, remove impurities and water;

[0029] The crude oil is at 250°C and the vacuum is greater than 200Pa, steam distillation makes the free fatty acid in the crude oil less than 0.3%; when the crude oil is at 45°C, add a 13% sodium silicate solution, stir for 9 minutes, and then add % sodium hydroxide solution, stirred for 25 to 40 minutes, then added 8 to 16 parts of water at 65 to 85°C, and left to stand for 1.5 to 3.5 hours to remove the hydrated saponins so that the acid value of the crude oil is not greater than 0.15KOH / g;

[0030] When the crude oil temperature is 65-75°C, add 12-20 parts of 70-85°C water, let it stand for 1-2 hours, remove the water, and dry it under vacuum -0.085MPa, temperature 100-110°C, and the water content is...

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Abstract

The invention discloses a method for preparing camellia oil. The method is implemented by the following steps of: physically de-acidifying degummed crude tea seed oil from which impurities are removed to keep free fatty acid in the crude oil less than 0.4 percent, wherein peroxide and odoriferous substances in the crude oil, in particular the free fatty acid are removed in a physical de-acidifying process; performing alkaline refining and deacidification for ensuring the color and luster of physically de-acidified oil; adding sodium silicate and alkali into the oil in turn respectively; washing and standing the mixture; washing the mixture with water; drying the washed mixture; and de-coloring and deodorizing the dried mixture to obtain refined camellia oil. The method has the characteristics of low consumption of needed auxiliary materials, little waste water discharge, less produced soapstock, short deodorizing time and low production cost.

Description

technical field [0001] The invention relates to a method for refining edible oils and fats, in particular to a method for refining camellia oil by using tea seed crude oil. Background technique [0002] Camellia oil is obtained from the seeds of the Camellia oleifera abel tree. It is one of the oldest woody edible vegetable oils in China. China is the country with the widest distribution of Camellia plants in the world and the largest The production base of camellia oil, in addition to only a very small amount of distribution in Southeast Asia, Japan and other countries. Camellia oleifera's central production areas are distributed in the southwest of my country and southern Hunan and Jiangxi. Its cultivation history has more than 2300 years. It is a unique oil tree species in China. China is the origin of camellia oleifera. The traditional method of extracting oil is processed in small workshops, with many impurities and dark color. The oil is eaten directly without treatme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/04C11B3/14C11B3/10C11B3/02
Inventor 黄崇芳
Owner 黄崇芳
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