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A method for continuous phase change extraction to remove allergens in castor meal

A castor meal and allergen technology, applied in the field of continuous phase change extraction to remove allergens in castor meal, can solve the problems of long detoxification time of microbial fermentation, excessive destruction of amino acids, loss of nutrients, etc., to improve comprehensive Utilization efficiency, high removal rate, and convenient operation

Active Publication Date: 2016-04-20
曹庸
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the detoxification process of castor meal mainly involves high pressure and high temperature, acid-base treatment and microbial fermentation. Although the traditional process has a certain removal rate for toxins, high temperature and high pressure are likely to cause excessive damage to amino acids and affect palatability. Alkali treatment causes serious loss of nutrients, microbial fermentation takes too long to detoxify, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1 A method for continuous phase change extraction to remove allergens in castor meal, comprising the following steps:

[0029] (1) The castor oil is removed after the castor bean is extracted by low-temperature continuous phase change, so that the oil content is ≤6%, and the raw material of the castor meal is obtained.

[0030] (2) Weigh 10kg of the processed castor meal raw material, put it into the extraction kettle of the continuous phase change extraction device, feed 100% methanol, flow through the extraction kettle at a certain flow rate, enter the analysis kettle, and phase in the analysis kettle. It turns into a gas, and the extracted substance falls into the analysis tank, and the resolved solvent is cooled into a liquid, and the material is repeatedly detoxified. The extraction conditions are: extraction temperature 90°C, extraction pressure 0.3Mpa, continuous extraction for 180min, flow rate 160L / h, analysis temperature 60°C, analysis pressure -0.1...

Embodiment 2

[0031] Embodiment 2 A method for continuous phase change extraction to remove allergens in castor meal, comprising the following steps:

[0032] (1) The castor oil is removed after the castor bean is extracted by continuous phase change, so that the oil content is ≤6%, and the raw material of the castor meal is obtained.

[0033] (2) Weigh 10kg of the processed castor meal raw material, put it into the extraction kettle of the continuous phase change extraction device, feed methanol with a concentration of 90%, flow through the extraction kettle at a certain flow rate, and enter the analysis kettle. The phase in the kettle changes into gas, and the extracted substance falls into the desorption kettle, and the detoxified solvent is cooled into a liquid, and the material is repeatedly detoxified. The extraction conditions are: extraction temperature 80°C, extraction pressure 1.0Mpa, continuous extraction for 210min, flow rate 150L / h, analysis temperature 70°C, analysis pressure ...

Embodiment 3

[0034] Embodiment 3 A method for phase change extraction of allergens in castor meal, comprising the following steps:

[0035] (1) The castor oil is removed after the castor bean is extracted by continuous phase change, so that the oil content is ≤6%, and the raw material of the castor meal is obtained.

[0036] (2) Weigh 10kg of the processed castor meal raw material, put it into the extraction kettle of the continuous phase change extraction device, feed methanol with a concentration of 55%, flow through the extraction kettle at a certain flow rate, and enter the analysis kettle. The phase in the kettle changes into gas, and the extracted substance falls into the desorption kettle, and the detoxified solvent is cooled into a liquid, and the material is repeatedly detoxified. The extraction conditions are: extraction temperature 70°C, pressure 0.1Mpa, continuous extraction for 120min, flow rate 160L / h, analysis temperature 80°C, analysis pressure -0.06Mpa. After the detoxifica...

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Abstract

The invention provides a method for removing toxin allergen in castor pulp by continuous phase-change extraction, which comprises the following steps: putting a castor pulp raw material into an extraction kettle, and carrying out continuous extraction at 50-100 DEG C under the extraction pressure of 0.1-1.0 Mpa for 60-240 minutes at the flow rate of 130-180 L / hour; and after extracting the castor pulp, enabling the liquid to flow into a resolution kettle, and resolving at 60-100 DEG C under the pressure of -0.10 to -0.09 Mpa. The extractant is heated under reduced pressure into a gas phase and instantly cooled into a liquid, flows through the extraction kettle, and is subjected to toxin removal; and the cycle is repeated many times. The extractant is 55-100% methanol, ethanol or butanol. The method has the advantages of high toxin removal efficiency, almost no solvent residue and short time, and has the characteristics of high conventional solvent extraction capacity, high batch treatment capacity, low production cost and the like.

Description

technical field [0001] The invention belongs to the technical field of animal feed development, in particular to a method for continuous phase change extraction to remove allergens in castor meal. Background technique [0002] castor ( Ricinus communis L. ), Euphorbiaceae castor plant, perennial plant, tall plant, multi-branched, yellow-green flowers bloom in late summer every year, spherical fruit, castor bean is generally brown pattern, with white seed inside. It is mainly grown in temperate and tropical regions such as India, Brazil and China. The global production is increasing steadily, reaching 2.77 million tons in 2011, and India, Brazil and China account for more than 80% of the total production, and China's annual output is about 200,000 tons. The economic value of castor is very high. The oil content of castor bean is generally 46%~56%. Castor oil has been used as a lubricant or coating agent in medical and industrial applications or as a component of plastic pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K10/30
Inventor 曹庸李俊廖明娟杜洁戴伟杰
Owner 曹庸
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