CN101580531A - Production technology for yam diosgenin - Google Patents
Production technology for yam diosgenin Download PDFInfo
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- CN101580531A CN101580531A CNA2009100228604A CN200910022860A CN101580531A CN 101580531 A CN101580531 A CN 101580531A CN A2009100228604 A CNA2009100228604 A CN A2009100228604A CN 200910022860 A CN200910022860 A CN 200910022860A CN 101580531 A CN101580531 A CN 101580531A
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Abstract
The invention discloses production technology for yam diosgenin, which comprises the following steps that: yellow gingers are added with water and crushed, then are naturally fermented, and are dehydrated through a dehydrator, the dehydrated yellow gingers are added with dilute hydrochloric acid or dilute sulfuric acid and are acidolyzed in an acid hydrolysis tank, water obtained by the dehydration returns a fermentation step, acid liquid of yellow ginger acidolysis substance is removed through the dehydrator, the yellow ginger acidolysis substance and the acid liquid are separated, the yellow ginger acidolysis substance removed with the acid liquid is neutralized by adding alkaline solution, then is dried and is extracted through gasoline or petroleum ether, the yam diosgenin is obtained after the crystallization, the acid liquid is separated by an ion exchange resin method, a resin ion exclusion method, a diffusion dialysis method or a solvent extraction method, sugar solution and acid water are separated, and the acid water is returned to an acidolysis step. The production technology is simple, controls the water content of the yellow gingers by dehydrating the fermented yellow gingers through the dehydrator, adopts the dilute hydrochloric acid or the dilute sulfuric acid during the acidolysis, reduces the cost, reduces acid consumption, ensures that the acid water separated from the acid liquid is dilute acid and is reutilized in the acidolysis process, has no the discharge of waste acid and wastewater during the whole production, and is favorable for environmental protection.
Description
Technical field
The present invention relates to a kind of production technique of turmeric saponin.
Background technology
China is the yellow ginger plantation, the big country that saponin is extracted and related products is produced, the conventional extraction process of turmeric saponin mainly is to be obtained through acid hydrolysis by contained saponin in the yellow ginger rhizome, saponin content is 1-4%, in hydrolytic process, massfraction is up to the starch of 45-50% in the yellow ginger rhizome, half fiber of 20-25% is worked as discharge of wastewater after by acid hydrolysis, one ton of saponin of the every production of common process needs the 15-20 ton concentrated hydrochloric acid or the vitriol oil, investment of production equipment is big, the cost height, and produce high-concentration waste water and spent acid 400-500 ton, its COD causes serious environmental to pollute up to 30g/L.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide that a kind of production cost is low, the production technique of the turmeric saponin of turmeric saponin productive rate height and environmental protection.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of production technique of turmeric saponin is characterized in that this technological process is:
(1) yellow ginger is broken with pigment, under 35 ℃ of-45 ℃ of conditions of temperature spontaneous fermentation 24-48 hour, the addition of water be yellow ginger weight 1-3 doubly;
(2) yellow ginger after the fermentation in the step (1) is dewatered through water extracter, control yellow ginger water ratio is 60-70% by mass percentage, yellow ginger after the dehydration adds dilute hydrochloric acid or the dilute sulphuric acid acidolysis in acid hydrolysis tank that mass concentration is 6-10%, the water of deviating from returns step (1), and the consumption of described dilute hydrochloric acid or dilute sulphuric acid is 2-6 a times of the yellow ginger weight before the pulverizing in the step (1);
(3) with the yellow ginger acidolysis thing in the step (2) through water extracter depickling liquid, isolate yellow ginger acidolysis thing and acid solution;
(4) add in the alkaline solution yellow ginger acidolysis thing behind the depickling liquid in the step (3) and after drying,, get turmeric saponin after the crystallization through gasoline or Petroleum ether extraction;
(5) the acid solution spent ion exchange resin method in the step (3), resin ion exclusion method, diffusive dialysis method or solvent extration are separated, isolate liquid glucose and sour water, sour water returns step (2) and is used for acidolysis.
The temperature of acidolysis is 110-120 ℃ described in the above-mentioned steps (2), and the acidolysis time is 1-2 hour.
Water extracter is belt filter pressing dehydrator, spiral dewater or centrifuge described in above-mentioned steps (2) and the step (3).
Alkali lye is sodium hydroxide solution or aqua calcis described in the above-mentioned steps (4).
The present invention compared with prior art has the following advantages: technology of the present invention is simple, yellow ginger after the fermentation is dewatered through water extracter, control yellow ginger water ratio is 60-70% by mass percentage, and the acidolysis process adopts dilute hydrochloric acid or dilute sulphuric acid, and cost reduces, the acid consumption reduces 80%-90%, the isolated sour water of acid solution is a diluted acid, and is back to use the acidolysis process, and whole process of production does not have spent acid, discharge of wastewater, help environmental protection, be fit to promote the use of.
Below by drawings and Examples, the present invention is described in further detail.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
The production technique of a kind of turmeric saponin as shown in Figure 1 may further comprise the steps:
(1) yellow ginger is broken with pigment, under 35 ℃ of-45 ℃ of conditions of temperature spontaneous fermentation 24-48 hour, the addition of water be yellow ginger weight 1-3 doubly;
(2) yellow ginger after the fermentation in the step (1) is dewatered through belt filter pressing dehydrator, spiral dewater or centrifuge, control yellow ginger water ratio is 60-70% by mass percentage, yellow ginger after the dehydration adds dilute hydrochloric acid or the dilute sulphuric acid acidolysis in acid hydrolysis tank that mass concentration is 6-10%, the water of deviating from returns step (1), the consumption of described dilute hydrochloric acid or dilute sulphuric acid is 2-6 a times of the yellow ginger weight before the pulverizing in the step (1), described acidolysis temperature is 110-120 ℃, and the acidolysis time is 1-2 hour;
(3) with the yellow ginger acidolysis thing in the step (2) through belt filter pressing dehydrator, spiral dewater or centrifuge depickling liquid, isolate yellow ginger acidolysis thing and acid solution;
(4) with in yellow ginger acidolysis thing hydro-oxidation sodium solution behind the depickling liquid in the step (3) or the aqua calcis and after drying, through gasoline or Petroleum ether extraction, after the crystallization turmeric saponin;
(5) the acid solution spent ion exchange resin method in the step (3), resin ion exclusion method, diffusive dialysis method or solvent extration are separated, isolate liquid glucose and sour water, sour water returns step (2) and is used for acidolysis.
Embodiment 1
(1) 1.40 tons of cadmium yellow ginger are added 1.40 tons of pulverizing of water, spontaneous fermentation is 24 hours under 35 ℃ of-45 ℃ of conditions of temperature;
(2) yellow ginger after the fermentation in the step (1) is dewatered through the belt filter pressing dehydrator, control yellow ginger water ratio is 60-70% by mass percentage, it is 2.80 tons of acidolysis in acid hydrolysis tank of dilute hydrochloric acid of 6% that yellow ginger after the dehydration adds mass concentration, the water of deviating from returns step (1), described acidolysis temperature is 110-120 ℃, and the acidolysis time is 1-2 hour;
(3) with the yellow ginger acidolysis thing in the step (2) through belt filter pressing dehydrator depickling liquid, isolate yellow ginger acidolysis thing and acid solution;
(4) with in yellow ginger acidolysis thing hydro-oxidation sodium solution behind the depickling liquid in the step (3) or the aqua calcis and after drying, through gasoline or Petroleum ether extraction, after the crystallization 10 kilograms of turmeric saponins;
(5) acid solution spent ion exchange resin method or solvent extration in the step (3) are separated, isolate liquid glucose and sour water, sour water returns step (2) and is used for acidolysis.
Embodiment 2
(1) 0.46 ton of dried yellow ginger is added 0.92 ton of pulverizing of water, spontaneous fermentation is 36 hours under 35 ℃ of-45 ℃ of conditions of temperature;
(2) yellow ginger after the fermentation in the step (1) is dewatered through spiral dewater, control yellow ginger water ratio is 60-70% by mass percentage, it is 1.84 tons of acidolysis in acid hydrolysis tank of dilute sulphuric acid of 8% that yellow ginger after the dehydration adds mass concentration, the water of deviating from returns step (1), described acidolysis temperature is 110-120 ℃, and the acidolysis time is 1-2 hour;
(3) with the yellow ginger acidolysis thing in the step (2) through spiral dewater depickling liquid, isolate yellow ginger acidolysis thing and acid solution;
(4) with in yellow ginger acidolysis thing hydro-oxidation sodium solution behind the depickling liquid in the step (3) or the aqua calcis and after drying, through gasoline or Petroleum ether extraction, after the crystallization 10 kilograms of turmeric saponins;
(5) acid solution in the step (3) is separated with resin ion exclusion method, isolate liquid glucose and sour water, sour water returns step (2) and is used for acidolysis.
Embodiment 3
(1) 0.45 ton of dried yellow ginger is added 1.35 tons of pulverizing of water, spontaneous fermentation is 48 hours under 35 ℃ of-45 ℃ of conditions of temperature;
(2) yellow ginger after the fermentation in the step (1) is dewatered through centrifuge, control yellow ginger water ratio is 60-70% by mass percentage, it is 2.70 tons of acidolysis in acid hydrolysis tank of dilute sulphuric acid of 10% that yellow ginger after the dehydration adds mass concentration, the water of deviating from returns step (1), described acidolysis temperature is 110-120 ℃, and the acidolysis time is 1-2 hour;
(3) with the yellow ginger acidolysis thing in the step (2) through centrifuge depickling liquid, isolate yellow ginger acidolysis thing and acid solution;
(4) with in yellow ginger acidolysis thing hydro-oxidation sodium solution behind the depickling liquid in the step (3) or the aqua calcis and after drying, through gasoline or Petroleum ether extraction, after the crystallization 10 kilograms of turmeric saponins;
(5) acid solution in the step (3) is separated with diffusive dialysis method, isolate liquid glucose and sour water, sour water returns step (2) and is used for acidolysis.
Claims (4)
1. the production technique of a turmeric saponin is characterized in that this technological process is:
(1) yellow ginger is broken with pigment, under 35 ℃ of-45 ℃ of conditions of temperature spontaneous fermentation 24-48 hour, the addition of water be yellow ginger weight 1-3 doubly;
(2) yellow ginger after the fermentation in the step (1) is dewatered through water extracter, control yellow ginger water ratio is 60-70% by mass percentage, yellow ginger after the dehydration adds dilute hydrochloric acid or the dilute sulphuric acid acidolysis in acid hydrolysis tank that mass concentration is 6-10%, the water of deviating from returns step (1), and the consumption of described dilute hydrochloric acid or dilute sulphuric acid is 2-6 a times of the yellow ginger weight before the pulverizing in the step (1);
(3) with the yellow ginger acidolysis thing in the step (2) through water extracter depickling liquid, isolate yellow ginger acidolysis thing and acid solution;
(4) add in the alkaline solution yellow ginger acidolysis thing behind the depickling liquid in the step (3) and after drying,, get turmeric saponin after the crystallization through gasoline or Petroleum ether extraction;
(5) the acid solution spent ion exchange resin method in the step (3), resin ion exclusion method, diffusive dialysis method or solvent extration are separated, isolate liquid glucose and sour water, sour water returns step (2) and is used for acidolysis.
2. the production technique of a kind of turmeric saponin according to claim 1 is characterized in that, the temperature of acidolysis is 110-120 ℃ described in the step (2), and the acidolysis time is 1-2 hour.
3. the production technique of a kind of turmeric saponin according to claim 1 and 2 is characterized in that, water extracter is belt filter pressing dehydrator, spiral dewater or centrifuge described in step (2) and the step (3).
4. the production technique of a kind of turmeric saponin according to claim 1 and 2 is characterized in that, alkaline solution is sodium hydroxide solution or aqua calcis described in the step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100228604A CN101580531A (en) | 2009-06-05 | 2009-06-05 | Production technology for yam diosgenin |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100228604A CN101580531A (en) | 2009-06-05 | 2009-06-05 | Production technology for yam diosgenin |
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| CN101580531A true CN101580531A (en) | 2009-11-18 |
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| CNA2009100228604A Pending CN101580531A (en) | 2009-06-05 | 2009-06-05 | Production technology for yam diosgenin |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745840A (en) * | 2012-07-30 | 2012-10-24 | 中国环境科学研究院 | Method for recycling diosgenin saponin acidolysis waste acid |
| CN106904784A (en) * | 2017-05-05 | 2017-06-30 | 北京中科康仑环境科技研究院有限公司 | A kind of recycling treatment process of rare earth soda soap raffinate |
| CN106946379A (en) * | 2017-05-05 | 2017-07-14 | 北京中科康仑环境科技研究院有限公司 | A kind of recycling treatment process of rare earth calcium soap raffinate |
| CN107043192A (en) * | 2017-05-05 | 2017-08-15 | 北京中科康仑环境科技研究院有限公司 | A kind of integrated conduct method of Rare-earth Ammonia soap raffinate |
| CN109438546A (en) * | 2018-10-23 | 2019-03-08 | 王吟箫 | A kind of technique that saponin is extracted from plants |
-
2009
- 2009-06-05 CN CNA2009100228604A patent/CN101580531A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745840A (en) * | 2012-07-30 | 2012-10-24 | 中国环境科学研究院 | Method for recycling diosgenin saponin acidolysis waste acid |
| CN102745840B (en) * | 2012-07-30 | 2014-02-19 | 中国环境科学研究院 | Method for recycling diosgenin saponin acidolysis waste acid |
| CN106904784A (en) * | 2017-05-05 | 2017-06-30 | 北京中科康仑环境科技研究院有限公司 | A kind of recycling treatment process of rare earth soda soap raffinate |
| CN106946379A (en) * | 2017-05-05 | 2017-07-14 | 北京中科康仑环境科技研究院有限公司 | A kind of recycling treatment process of rare earth calcium soap raffinate |
| CN107043192A (en) * | 2017-05-05 | 2017-08-15 | 北京中科康仑环境科技研究院有限公司 | A kind of integrated conduct method of Rare-earth Ammonia soap raffinate |
| CN109438546A (en) * | 2018-10-23 | 2019-03-08 | 王吟箫 | A kind of technique that saponin is extracted from plants |
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Open date: 20091118 |