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Preparation method of tea saponin

A tea saponin and pretreatment technology, applied in the direction of steroids, organic chemistry, etc., can solve the problems of complex operation and low content of tea saponin, and achieve the effect of simple operation, less dissolution loss and improved product quality

Active Publication Date: 2017-09-01
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a preparation method of tea saponin in order to solve the technical problems of complex operation and low tea saponin content in the existing method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: the preparation method of tea saponin is carried out according to the following steps:

[0030] 1. Raw material pretreatment: pulverize 50g of Camellia oleifera seed meal and pass through a 50-mesh sieve to obtain pretreated raw materials;

[0031] 2. Dissolving the pretreated raw materials in the organic solvent ethyl acetate, the weight ratio of the pretreated raw materials to the organic solvent ethyl acetate is 1:6, and at 40 ° C, the pretreatment is kept for 4 hours, and the feed liquid 1 is obtained;

[0032] 3. Carry out solid-liquid separation with feed liquid 1, then distill the liquid under reduced pressure, recover the organic solvent ethyl acetate, then dissolve the solid in the organic solvent acetone, the solid and organic solvent acetone weight ratio is 1:6, then at 40 ℃ heat preservation pretreatment for 4h to obtain feed liquid 2;

[0033] 4. Carry out solid-liquid separation with feed liquid 2, then distill the liquid under reduced press...

Embodiment 2

[0036] Embodiment 2: the preparation method of tea saponin is carried out according to the following steps:

[0037] 1. Raw material pretreatment: pulverize 50g of Camellia oleifera seed meal and pass through a 50-mesh sieve to obtain pretreated raw materials;

[0038] 2. Dissolving the pretreated raw materials into an organic solvent, the weight ratio of the pretreated raw materials to the organic solvent is 1:6, and the pretreatment is carried out at 40°C for 4 hours to obtain the feed liquid 1;

[0039] Described organic solvent is the mixed solution that ethyl acetate, acetone and n-hexane form according to any ratio;

[0040] 3. Carry out solid-liquid separation of feed liquid 1, then distill the liquid under reduced pressure, reclaim the organic solvent, then dissolve the solid in the organic solvent n-butanol, the weight ratio of the solid to the organic solvent n-butanol is 1:6, and then in Pretreatment at 50°C for 4h to obtain feed liquid 2;

[0041] 4. Carry out so...

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PUM

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Abstract

The invention discloses a preparation method of tea saponin, relates to a preparation method of tea saponin, aims at solving the technical problems that an existing method is complicated in operation and low in tea saponin content and provides a preparation method of tea saponin. The method comprises the following steps of (1) raw material pretreatment; (2) preparation of a feed liquid I; (3) preparation of a feed liquid 2; and (4) solid-liquid separation on the feed liquid 2, vacuum distillation on the liquid and recovery of an organic solvent, thus obtaining the tea saponin. The main operation of the process is solid-liquid extraction, so that the process is simple in operation and low in solution loss in comparison with liquid-liquid extraction; the process is anhydrous operation and pollution of water-soluble impurities is reduced; the process relates to multiple organic solvents, but the security of the process and effective recovery of the organic solvents are ensured by only adopting proper equipment; and the quality of a product is greatly improved through the process. The purity of the tea saponin obtained by adopting the method is 85-86% and the extraction rate is 78-81%. The preparation method belongs to the field of extraction of the tea saponin.

Description

technical field [0001] The invention relates to a preparation method of tea saponin. Background technique [0002] Camellia oleifera is the basic edible oil tree species in my country, and my country is also the country with the largest cultivation area of ​​Camellia oleifera in the world. Camellia seed meal contains 10%-16% tea saponin, which is an important source of tea saponin, and is also rich in polysaccharide and protein, which is an excellent feed. However, due to the bitter taste and toxicity of tea saponin, most of the camellia seed cake cannot be directly eaten by animals, and can only be used as a pond cleaning agent or fertilizer, or exported to Southeast Asia and other countries and regions at low cost, resulting in a great waste of resources. The most serious problem is that the accumulated rapeseed meal becomes moldy and insects, polluting the environment. [0003] With the development of industrial extraction and application research of tea saponin, the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07J63/00
CPCC07J63/008
Inventor 王建勋侯同刚咸漠董晴晴王乔
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI