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Preparation method for extracting saponin powder by using camellia seed cake

A technology for camellia seed cake and tea saponin, applied in the field of biological extraction, can solve the problems of complex process, high cost and large investment, and achieve the effects of high purity, good product quality and high extraction rate

Inactive Publication Date: 2015-09-09
HUNAN TIANJIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The water immersion method is simple in process and low in cost, but the products are mostly slurry and of poor quality, with a purity of 10-40%
The purity of the solid product obtained by the organic solvent extraction method is as high as 75%, but the process is complex, the investment is large, and the cost is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A, drying the camellia seed cake at a temperature of 50° C. for 1.5 hours, pulverizing it, and passing through a 16-mesh sieve to obtain the camellia seed cake powder;

[0022] B, in the camellia oleifera seed cake powder, add the methanol that concentration is 65% in the ratio of 1: 6; Leach at 65 ℃ of temperature for 1.5 hours;

[0023] C. Filtrate while hot, concentrate at 65°C, then concentrate under reduced pressure to a viscous shape, stop heating, and obtain tea saponin in paste form;

[0024] D. Add 72# precipitating agent in the ratio of 1:0.8 to the tea saponin in paste form, fully stir, and after standing for 1.5 hours, separate the precipitating agent to obtain saponin powder;

[0025] E, drying the obtained saponin powder is the crude product.

[0026] F, repeat the extraction 4 times according to the above steps to obtain high-purity saponin powder.

Embodiment 2

[0028] A, drying the camellia seed cake at a temperature of 40°C for 1 hour, pulverizing it, and passing through a 10-mesh sieve to obtain the camellia seed cake powder;

[0029] B, in the camellia oleifera seed cake powder, add the methanol that concentration is 55% in the ratio of 1: 4; Leach at 55 ℃ of temperature for 1 hour;

[0030] C. Filtrate while hot, concentrate at 55°C, then concentrate under reduced pressure until viscous, stop heating, and obtain tea saponin in paste form;

[0031] D. Add 72# precipitating agent in the ratio of 1:0.6 to the tea saponin in paste form, stir well, and after standing for 1 hour, separate the precipitating agent to obtain saponin powder;

[0032] E, drying the obtained saponin powder is the crude product.

[0033] F, repeat the extraction 3 times according to the above steps to obtain high-purity saponin powder.

Embodiment 3

[0035] A, drying the camellia seed cake at a temperature of 60° C. for 2 hours, pulverizing it, and passing through a 22-mesh sieve to obtain the camellia seed cake powder;

[0036] B, in the camellia oleifera seed cake powder, add the methanol that concentration is 75% in the ratio of 1: 8; Leach at 75 ℃ temperature for 2 hours;

[0037] C. Filtrate while hot, concentrate at a temperature of 75° C., then concentrate under reduced pressure to a viscous shape, stop heating, and obtain tea saponin in paste form;

[0038] D. Add 72# precipitating agent in the ratio of 1:1 to the tea saponin in paste form, fully stir, and after standing for 2 hours, separate the precipitating agent to obtain saponin powder;

[0039] E, drying the obtained saponin powder is the crude product.

[0040] F, repeat the extraction 5 times according to the above steps to obtain high-purity saponin powder.

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Abstract

The invention discloses a preparation method for extracting a saponin powder by using a camellia seed cake. The preparation method comprises the steps: drying and crushing the camellia seed cake, adding into a proper amount of a methanol solution according to the material-liquid ratio of 1:(4-8), leaching for 1-2 h at the temperature of 55 DEG C-75 DEG C, concentrating, and precipitating to obtain the product. Compared with a conventional extraction method, the method has the advantages of short extraction time, high extraction rate of the saponin powder, high purity, comprehensive utilization of the camellia seed cake resource and the like. The extraction rate of the saponin powder can reach 93.5% or more, the purity of the saponin powder is 80.7% or more, and 28 kg of proteins can be extracted from per ton of the camellia seed cake.

Description

technical field [0001] The invention relates to the technical field of biological extraction, in particular to a preparation method for extracting saponin powder from camellia oleifera seed cake. Background technique [0002] Camellia oleifera is an important oil-bearing plant in the hilly areas of southern my country. my country is the country with the widest distribution and variety of camellia oleifera in the world, with an annual output of about 549,800 tons of camellia oleifera seeds. It was 397,100 tons. Camellia oleifera seed cake is rich in saponin powder, fat, starch, tea soap cord, crude fiber, and the content of saponin powder in camellia oleifera seed cake is about 3%. Tea saponin is a natural non-ionic surfactant with excellent performance, and has many physiological activities such as hemolysis, anti-osmosis, anti-itch, anti-phlegm, anti-inflammatory, cough-relieving, expectorant, analgesic, anti-cancer, bactericidal, and insecticidal. Physiological effect. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07J63/00C07H15/256C07H1/08
CPCC07J63/008C07H1/08C07H15/256
Inventor 文贻荣黄生博
Owner HUNAN TIANJIN TECH
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