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Method of separating soapnut saponin with foam separation method

A technology for the separation of sapindus saponin and foam, which is applied in the field of sapindus saponin foam separation method, and can solve the problems of high cost and low yield of sapindus saponin

Inactive Publication Date: 2010-01-13
RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of high cost and low yield in the traditional separation and extraction of sapindus saponin, and through long-term research and experiments, a novel separation method for separating sapindosa saponin from the extract by foam separation method is proposed , so as to overcome the drawbacks of the prior art and obtain Sapindus saponin with higher purity

Method used

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  • Method of separating soapnut saponin with foam separation method
  • Method of separating soapnut saponin with foam separation method

Examples

Experimental program
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Effect test

Embodiment 1

[0026] a. Preparation of Sapindus saponin crude extract

[0027] Crush 1000kg of dried Sapindus chinensis fruit, pass through a 40-mesh sieve, extract with 75% ethanol for 2 hours (solid-liquid ratio 1:6), and separate by solid-liquid filtration; follow this process for reflux extraction twice. Combine the extracts, recover ethanol under reduced pressure to a volume of 2L, add water to dilute to 6L, adjust the pH value to 4 with hydrochloric acid, filter to remove precipitates, and obtain Sapindus saponin crude extract.

[0028] b. Foam separation

[0029] The crude saponin extract was foam-separated with a bubble column at a temperature of 35°C, a pH of 4, and a bubbling air velocity of 1×10 -3 m / s, the foam-breaking method adopts the organic solvent method, adds absolute ethanol to the spray flow of 2.5% of the foam liquid amount, and the operation time of one cycle is 3 hours to obtain a high-concentration Sapindus sapindus saponin foam-breaking liquid, and its concentrati...

Embodiment 2

[0035] a. Preparation of Sapindus saponin crude extract

[0036] Crush 2000kg of dried Sapindus chinensis fruit, pass through a 40-mesh sieve, extract with 50% ethanol for 2 hours (solid-liquid ratio 1:6), and separate by solid-liquid filtration; reflux extraction twice according to this process. Combine the extracts, recover ethanol under reduced pressure to a volume of 5 L, add water to dilute to 10 L, adjust the pH value to 4 with hydrochloric acid, and filter to remove precipitates to obtain a crude extract of Sapindus saponins.

[0037] b. Foam separation

[0038] The crude saponin extract was foam-separated with a bubble column at a temperature of 35°C, a pH of 4, and a bubbling air velocity of 1×10 -4 m / s, the foam breaking method adopts the mechanical shear stirring method, and the operating time of one cycle is 4 hours to obtain a high-concentration Sapindus sapindus saponin breaking foam solution, and its concentration ratio is 18 times.

[0039] c. Vacuum evaporat...

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Abstract

The invention provides a method of separating soapnut saponin with the foam separation method, in particular a novel method of separating soapnut saponin from crude soapnut saponin extract with the foam separation method. The soapnut saponin with the high purity of 89-94 percent is obtained by the pretreatment, the foam separation, the vacuum concentration and the freeze drying of the crude soapnut saponin extract. Compared with the method of separating the soapnut saponin with resin, the invention simplifies the extracting process, lowers the power consumption, reduces the pollution and has wide application prospect.

Description

technical field [0001] The invention relates to a method for extracting saponins from sapindus fruit, in particular, using a foam separation method to separate, purify and prepare high-purity sapindus saponin from the crude extract of sapindus fruit. Background technique [0002] Before the invention of synthetic detergents, Sapinberry has always been a common washing product in my country, especially for hair and face washing. Sapindus is commonly known as. Soap locust has better decontamination effect than soap locust. It is recorded in "Chicken Ribs": there are few acacia in the middle of Zhejiang, and fat beads are used for bathing noodles and washing clothes. The tree is also tall and tall, the leaves are thin like locust trees, the horns are only three inches long, the seeds are round and black and fat, the flesh is also thick, and the ointment is moist like acacia, so it is called soap. Hence the name of the soap. Sapindus is the only plant recorded in "Compendium...

Claims

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Application Information

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IPC IPC(8): C07J63/00C07J75/00
Inventor 杜孟浩王敬文张金萍
Owner RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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