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Cleaning production process for extracting saponin from turmeric

A clean production, saponin technology, applied in steroids, fermentation, organic chemistry and other directions, can solve the problems of yield decline, difficulty in saponin layer concentration, saponin loss, etc., to reduce the amount of production and pollutant load, improve Comprehensive utilization of resources and the effect of reducing pollutant load

Inactive Publication Date: 2008-12-31
竹溪创艺皂素有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technical and economic indicators of this process are not ideal, and the waste water cannot be discharged up to the standard, so it has not been popularized and applied.
[0008] Qian Weiguo et al. neutralized turmeric saponin waste water with ammonia water, used yeast fermentation to generate alcohol, distilled alcohol, and then added inorganic fertilizer to the concentrate to make compound fertilizer for comprehensive utilization. This process makes the saponin industry a major Pollutants are treated and reused, alcohol and compound fertilizers are also obtained, however, the process has certain requirements for the content of sugar and sulfuric acid in wastewater
[0009] In addition, it was proposed that the starch separation method uses physical methods to separate starch and fiber before hydrolysis, which has the disadvantages of saponin loss, yield reduction, difficulty in concentrating the saponin layer, and easy gelatinization of starch.
[0010] In a word, although there are some researches and reports on individual link such as comprehensive utilization of resources and wastewater treatment, most of them have such and other deficiencies, lacking a clean production process to realize comprehensive utilization of turmeric resources, efficient extraction of saponin and reduction of pollution load

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1. Turmeric pretreatment: 1000kg of fresh turmeric is cleaned by a tumbler washer, and then pulverized twice by a hammer mill. The first pulverization adopts a sieve of 8mm, and the second pulverization adopts a 4mm sieve. The obtained slurry has a solid content of 24%, the slurry particle size is 2-4mm, and the pulverized slurry is naturally fermented in the fermentation tank for 24 hours;

[0028] 2. Liquefaction and saccharification: add industrial caustic soda and tap water to the slurry obtained in step 1 to adjust the pH value of the slurry to 6.0, and the solid content of the slurry is 14%, then add high-temperature-resistant α-amylase (enzyme activity 20000u / ml), enzyme The dosage is 0.1% of the amount of the slurry, pump the slurry into the liquefier, keep it warm at 95-100°C for 30 minutes, cool down to 60°C, add industrial hydrochloric acid to adjust the pH value of the material to 4.2, press the glucoamylase and slurry Adding saccharification enzyme (enzyme ...

Embodiment 2

[0036] 1. Turmeric pretreatment: 800kg of fresh turmeric is cleaned by a tumbler washer, and then pulverized twice by a hammer mill. The first pulverization adopts a sieve of 8mm, and the second pulverization adopts a 4mm sieve. The obtained slurry has a solid content of 22%, the slurry particle size is 2~4mm, and the pulverized slurry is naturally fermented in the fermentation tank for 48 hours;

[0037] 2. Liquefaction and saccharification: add industrial caustic soda and tap water to the slurry obtained in step 1 to adjust the pH value of the slurry to 6.0, and the solid content of the slurry is 15%, then add high temperature resistant α-amylase (enzyme activity 20000u / ml), enzyme The dosage is 0.1% of the amount of the slurry, pump the adjusted slurry into the liquefier, keep it warm at 95~100°C for 30 minutes, cool down to 60°C, add industrial hydrochloric acid to adjust the pH value of the material to 4.2, press the glucoamylase and slurry Adding saccharification enzyme ...

Embodiment 3

[0045] 1. Turmeric pretreatment: 1200kg of fresh turmeric is cleaned by a tumbler washer, and then pulverized twice by a hammer mill. The first pulverization adopts a sieve of 8mm, and the second pulverization adopts a 4mm sieve. The solid content of the slurry obtained is 24%, the slurry particle size is 2-4mm, and the pulverized slurry is naturally fermented in the fermentation tank for 36 hours;

[0046] 2. Liquefaction and saccharification: add the slurry obtained in step 1 to industrial caustic soda and tap water to adjust the pH value of the slurry to 6.0, and the solid content of the slurry is 16%, then add high temperature resistant α-amylase (enzyme activity 20000u / ml), enzyme The dosage is 0.1% of the amount of the slurry, pump the adjusted slurry into the liquefier, keep it warm at 95~100°C for 30 minutes, cool down to 60°C, add industrial hydrochloric acid to adjust the pH value of the material to 4.2, press the glucoamylase and slurry Adding saccharification enzym...

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Abstract

The invention relates to a cleaning and producing process for extracting saponin from yellow gingers. When extracting the saponin, a byproduct of starch sugar is obtained, the pollutant burden is reduced, and the resource comprehensive utilization ratio is increased. The process comprises: liquefying and saccharifying yellow ginger slurries that are crushed and pre-fermented by adopting a sugar-liquid separation method, separating the saponin with starch sugar liquid in a saccharide material by the membrane separation technique, hydrolyzing the obtained sugar residues and membrane condensate (saponin suspension liquid) after separation by means of acid catalysis to gain the hydrolysate, and extracting the hydrolysate with solvent gasoline to obtain the saponin, and the detailed information is described in the patent specification. The process obtains the byproduct of starch sugar, meanwhile increasing the saponin yield, realizing the partial recovery of catalyst hydrochloric acid, and reducing the occurrence amount and pollutant burden of acidic waste water.

Description

technical field [0001] The invention belongs to a natural product extraction process, specifically a clean production process for extracting saponin from turmeric. While extracting saponin, the by-product starch sugar is obtained, the pollutant load is reduced, the comprehensive utilization rate of resources is improved, and the Added value of turmeric processing industry. Background technique [0002] Saponin is a steroidal compound with high physiological activity. Using it as a raw material, hundreds of drugs can be synthesized through proper modification and structure, and are widely used in anti-inflammation, contraception, regulation of hormone disorders in the body, and treatment of cardiovascular diseases. Hormonal drugs such as preventing arteriosclerosis and lowering blood fat and cholesterol are indispensable drugs in the medical field. Turmeric is the most ideal medicinal plant for extracting steroid hormones. The saponin processed from turmeric can produce more...

Claims

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Application Information

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IPC IPC(8): C12P33/20C12P19/14C07J71/00
Inventor 洪岩杨志华徐小东鲍建国彭月娥王继坤史文辉
Owner 竹溪创艺皂素有限公司