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Method for preparing saponin by vacuum digestion

A technology of vacuum extraction and saponin, applied in the fields of biomass chemical industry and applied chemistry, to achieve the effects of low energy consumption for extraction and concentration, accelerated liquid phase mass transfer rate, and improved product purity

Active Publication Date: 2015-05-20
广州德谷个人护理用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the shortcomings of the existing extraction methods, the present invention develops a vacuum water extraction method, the purpose of which is to overcome the above problems in the traditional saponin production, reduce the water consumption and energy consumption in the saponin production process, and prevent the extraction process to the greatest extent. Decompose the middle product and reduce the dissolution of impurities, improve the separation efficiency and the purity of the saponin product

Method used

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  • Method for preparing saponin by vacuum digestion

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Effect test

Embodiment 1

[0062] Such as figure 1 As shown, the specific process of the method for preparing saponin by leaching under a vacuum of 0.05 to 0.07Mpa according to the present invention is as follows:

[0063] (1) Raw material pretreatment;

[0064] Acacia pods are used as saponin raw materials, sorted, crushed and sieved, and set aside.

[0065] (2) Vacuum water circulation extraction;

[0066] When extracting, the mass ratio of saponins pods to water is 1:15, and the system is heated. When the system temperature reaches 45°C, vacuumize. When the vacuum degree of the system reaches 0.07MPa and is stable, continue to heat until the temperature is stable at 55°C. At this time, the water in the system is in a boiling state, and the water vapor is condensed and refluxed into the system, and vacuum refluxed for leaching for 3 hours.

[0067] (3) initial concentration;

[0068] After the vacuum water circulation extraction is completed, maintain the heating temperature and vacuum of the sys...

Embodiment 2

[0076] Such as figure 1 As shown, the specific process of the method for preparing saponin by leaching under a vacuum of 0.05 to 0.07Mpa according to the present invention is as follows:

[0077] (1) Raw material pretreatment;

[0078] Sapindus husk is used as saponin raw material, after sorting, crushing and sieving, it is ready for use.

[0079] (2) Vacuum water circulation extraction;

[0080] During extraction, the mass ratio of Sapindus husk to water is 1:15, and the system is heated. When the system temperature reaches 45°C, vacuumize. When the vacuum degree of the system reaches 0.07MPa and is stable, continue to heat until the temperature is stable at 50°C. At this time, the water in the system is in a boiling state, and the water vapor is condensed and refluxed into the system, and vacuum refluxed for 3 hours.

[0081] (3) initial concentration;

[0082] After the vacuum water circulation extraction is completed, maintain the heating temperature and vacuum of the...

Embodiment 3

[0090] Such as figure 1 As shown, the specific process of the method for preparing saponin by leaching under a vacuum of 0.05 to 0.07Mpa according to the present invention is as follows:

[0091] (1) Raw material pretreatment;

[0092] Acacia pods are used as saponin raw materials, sorted, crushed and sieved, and set aside.

[0093] (2) Vacuum water circulation extraction;

[0094] When extracting, the mass ratio of acacia pods to water is 1:10, and the system is heated. When the system temperature reaches 45°C, vacuumize. When the vacuum degree of the system reaches 0.06MPa and is stable, continue heating until the temperature is stable at 52°C. At this time, the water in the system is in a boiling state, and the water vapor is condensed and refluxed into the system, and vacuum refluxed for 1.5h.

[0095] (3) initial concentration;

[0096] After the vacuum water circulation extraction is completed, maintain the heating temperature and vacuum of the system and continue h...

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Abstract

The invention provides a method for preparing saponin by digestion at a vacuum degree of 0.05-0.07 MPa, and the method comprises the following steps of: adding water in gleditsia sinensis fruit particles or soapberry husks according to a certain solid to liquid ratio, heating a system, and performing vacuum extraction, wherein condensed water does not flow back to an extraction system again and is used as water for later extraction when the vacuum extraction time reaches a preset time, so that primary concentration of extracting solution is implemented. The primarily concentrated extracting solution is filtered and separated from solid residue, and further concentrated in vacuum until reaching a needed concentration. In the technical scheme, low extraction and concentration temperature reduces the digestion of soluble impurities (including soluble sugar, protein and the like), decomposition of saponin and Maillard reaction of sugar type impurities are avoided as well, and the yield, purity and appearance of the product are improved.

Description

technical field [0001] The invention belongs to the field of biomass chemical industry and applied chemistry, and in particular relates to a method for preparing saponin by vacuum extraction. Background technique [0002] Sapindus, also known as Muzai, oil Sapin, bitter tree, yellow-headed tree, etc., belongs to Sapindaceae, is a large deciduous tree with taupe or dark brown bark, and is distributed in eastern, southern and southwest my country department. The root and fruit of Sapindus chinensis are used as medicine, which has the functions of clearing heat and detoxifying, reducing phlegm and relieving cough. Its peel contains saponin, which can replace soap for washing, especially suitable for washing silk products. [0003] Honey locust tree has the advantages of well-developed root system, drought tolerance and water saving, etc. It is an ideal ecological tree species for building farmland shelter forests, soil and water conservation forests, and urban and rural landsca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07J63/00C07H15/256C07H1/08
Inventor 朱莉伟唐勇翁震蒋建新赵丹青
Owner 广州德谷个人护理用品有限公司
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