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Method for obtaining capsicum oleoresin

A technology for capsicum oleoresin and capsicum, which is applied in the fields of natural resin technology, chemical instruments and methods, and bulk chemical production, can solve the problems of difficulty in collecting and preparing capsicum oleoresin, solvent residues in products, low yield and the like, and achieves no problem. Poisonous price, no solvent residue, low temperature effect

Inactive Publication Date: 2018-05-29
GUIZHOU AEROSPACE WUJIANG MACHINERY & ELECTRICITYEQUIP
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  • Claims
  • Application Information

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Problems solved by technology

The traditional acquisition methods of capsicum oleoresin are organic solvent extraction method and oil-soluble method. The former uses a large amount of organic solvent, and the product has solvent residue, peculiar smell, and low purity; the latter is difficult to separate the mixture of pigment and oil. It is difficult to prepare capsicum oleoresin, and the yield is also low

Method used

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  • Method for obtaining capsicum oleoresin

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Experimental program
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Effect test

Embodiment 2

[0014] The implementation method is as follows: pour 386.0g of seeded red pepper powder into the material bucket of the extraction kettle, then cover the lid of the extraction kettle, and pressurize the system, that is, the CO 2 The gas is injected into the extraction kettle for extraction, the extraction temperature is 50°C, the extraction pressure is 25MPa, CO 2 The flow rate of gas passing through the extraction tank is 180kg / h, and the extraction time is 2.5h. Dissolving capsicum oleoresin in supercritical CO 2 In the fluid, it enters the separation tank and decompresses to decompose the effective components and collect them. 54.85g of extract was obtained at 25MPa, and the extraction rate was 14.20%.

Embodiment 3

[0016] The implementation method is as follows: Pour 388.0g of seeded red pepper powder into the material barrel of the extraction kettle, then cover the extraction kettle cover, and perform a pressurization operation on the system, that is, CO 2 The gas is injected into the extraction kettle for extraction, the extraction temperature is 45°C, the extraction pressure is 25MPa, CO 2 The flow rate of gas passing through the extraction tank is 200kg / h, and the extraction time is 3.5h. Dissolving capsicum oleoresin in supercritical CO 2 In the fluid, it enters the separation tank and decompresses to decompose the effective components and collect them. A total of 78.6 g of extracts were obtained, and the extraction rate was 19.74%.

Embodiment 4

[0018] The implementation method is as follows: Pour 400.0g of seeded red pepper powder into the material bucket of the extraction kettle, then cover the lid of the extraction kettle, and pressurize the system, that is, CO 2 The gas is injected into the extraction kettle for extraction, the extraction temperature is 45°C, the extraction pressure is 25MPa, CO 2 The flow rate of gas passing through the extraction tank is 180kg / h, and the extraction time is 3h. Dissolving capsicum oleoresin in supercritical CO 2 In the fluid, it enters the separation tank and decompresses to decompose the effective components and collect them. A total of 73.52 g of extracts were obtained, and the extraction rate was 18.38%.

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Abstract

The invention discloses a method for obtaining capsicum oleoresin. The method includes the step of extracting capsicum oleoresin from pepper powder by means of a supercritical CO2 fluid extraction technique, wherein specifically, the pepper powder is placed in a material barrel of an extraction still, CO2 gas is injected into the extraction still, the internal temperature and pressure of the extraction still are maintained in a supercritical state of the CO2 gas to make the capsicum oleoresin fully dissolved in a CO2 fluid in the supercritical state, and finally the products are collected after decompression precipitation. According to the method, the CO2 fluid in the supercritical state is adopted as an extraction dissolvent, the dissolvent is cyclically used in the same system and is free of toxics and low in selling price, the consumption of the dissolvent is less, and therefore the extraction cost is low. The extraction temperature is low, thermosensitive substances in the productsare not broken easily, and the energy consumption is less; the extracted capsicum oleoresin has the advantages of being high in purity, free of strange smell and solvent residues and the like.

Description

technical field [0001] The invention belongs to the technical field of substance extraction, and in particular relates to a method for obtaining capsicum oleoresin. Background technique [0002] Capsicum oleoresin is an important raw material currently used to obtain capsanthin and capsaicin, which are mainly used in food and other fields. The traditional acquisition methods of capsicum oleoresin are organic solvent extraction method and oil-soluble method. The former uses a large amount of organic solvent, and the product has solvent residue, peculiar smell, and low purity; the latter is difficult to separate the mixture of pigment and oil. It is difficult to prepare capsicum oleoresin, and the yield is also low. Supercritical CO2 extraction technology is a newly developed material extraction technology, which has the characteristics of green, pollution-free, low energy consumption, and can extract most oily substances, and the purity of the obtained extract is higher than...

Claims

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Application Information

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IPC IPC(8): C09F1/00
CPCC09F1/00Y02P20/54
Inventor 滕春娟宋大为
Owner GUIZHOU AEROSPACE WUJIANG MACHINERY & ELECTRICITYEQUIP
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