CN102993041A - Staged extraction method for capsaicin - Google Patents
Staged extraction method for capsaicin Download PDFInfo
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- CN102993041A CN102993041A CN 201110283246 CN201110283246A CN102993041A CN 102993041 A CN102993041 A CN 102993041A CN 201110283246 CN201110283246 CN 201110283246 CN 201110283246 A CN201110283246 A CN 201110283246A CN 102993041 A CN102993041 A CN 102993041A
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Abstract
The invention discloses a staged extraction technology for capsaicin. Naturally dried capsicum annuum is ground through a family-use grinder to form powder with the granularity about 100 micrometers, the powder is added with 96% ethanol, stirred, heated and extracted for 1-4 hours in a water bath of 40-80DEG C, extracting solution is obtained after the filtration, is evaporated and concentrated under the conditions of 40-80 DEG C and vacuum degree of 0.001-0.1 megapascals, is dissolved through 96% ethanol again, and is added with sodium hydroxide solution with the concentration of 1mol/L to alkalify until the pH value is between 8-16, n-hexane is used as a solvent to extract under the condition that the volume ratio is 1:1, the aqueous phase of the lower layer is separated out, hydrochloric acid is used to regulate the pH of the aqueous phase to be smaller than 11, and butyl acetate is used to extract when the volume ratio is 1:5, so that the extraction rate can reach 85%.
Description
Technical field
The invention belongs to the processing of agriculture product technical field, more specifically say a kind of about capsicine stage extraction technology.
Background technology
The extracting method of capsicine mainly contains solvent-extraction process, supercritical extraction method, Microwave-assisted solvent extraction method at present; wherein solvent-extraction process has low for equipment requirements, the easy advantage such as accomplish scale production; but extract capsicine take red chilly powder as the raw material solvent extraction; yield only is 23%; less economical, limited large-scale application.
Summary of the invention
The present invention has overcome the shortcoming of prior art, and a kind of new capsicine extraction process is provided, and adopts this Technology, and old of capsicine extraction is low, and technique is simple, and extraction yield is high.
The present invention is achieved by the following technical solutions.Be ground into the natural air drying capsicum Powdered with family-use grinder, about granularity 100 μ m, the ethanol of adding 96%, extracted 1-4 hour 40-80 ℃ of stirring in water bath heating, filter to get extracting solution, with extracting solution evaporation concentration under 40-80 ℃, vacuum tightness 0.001-0.1MPa condition, again use 96% dissolve with ethanol, and the sodium hydroxide solution that adds 1mol concentration alkalize to pH value be 8-16, be that solvent extracts under 1: 1 condition of volume ratio with normal hexane.The water of lower floor is told, regulated water pH＜11 with hydrochloric acid, volume ratio is to use n-butyl acetate extraction at 1: 5 o'clock, and extraction yield can reach 85%.
Embodiment
1, Capsicum crushing.The natural air drying capsicum is ground into Powdered with family-use grinder, granularity is about 100 μ m.
2, extraction using alcohol.Add 96% ethanol in red chilly powder, extract 40-80 ℃ of stirring in water bath heating, extraction time is 1-4 hour, filters to get extracting solution.
3, alkalization.Extracting solution is steamed for evaporation concentration under 40-80 ℃, vacuum tightness 0.001-0.1MPa condition is medicinal extract, again dissolve medicinal extract with 96% ethanol, and adding NaOH solution alkalizes to the pH value and is about 8-16.
4, n-hexane extraction.Extracting solution mixes according to 1: 1 ratio of volume ratio with normal hexane and extracts 1-4 hour, leaves standstill 30 minutes, with the aqueous phase separation of lower floor out.
5, acidifying.Regulate aqueous pH values＜11 with hydrochloric acid.
6, n-butyl acetate extraction.The volume ratio of ethyl acetate and water continues reextraction according to 1: 5 ratio with n-butyl acetate extraction, and extraction time is 1-4 hour, leaves standstill 30 minutes, and lower floor's water is separated.
7, transpiring moisture is drying to obtain the finished product capsicine under 40-80 ℃, vacuum tightness 0.001-0.1MPa condition.
Claims (7)
1. a capsicine stage extraction method is characterized in that raw materials used capsicum for naturally drying, and forms through pulverizing, extraction using alcohol, alkalization, n-hexane extraction, acidifying, n-butyl acetate extraction, drying.
2. according to right 1 described a kind of capsicine stage extraction method, it is characterized in that described pulverizing is the natural air drying capsicum to be ground into Powdered with family-use grinder, granularity is about 100 μ m.
3. according to right 1 described a kind of capsicine stage extraction method, it is characterized in that described extraction using alcohol is to add 96% ethanol in red chilly powder, extract 40-80 ℃ of stirring in water bath heating that extraction time is 1-4 hour.
4. according to right 1 described a kind of capsicine stage extraction method, it is characterized in that described alkalization is that extracting solution is steamed is being medicinal extract for evaporation concentration under 40-80 ℃, vacuum tightness 0.001-0.1MPa condition, again dissolve medicinal extract with 96% ethanol, and add NaOH solution and alkalize to the pH value and be about 8-16.
5. according to right 1 described a kind of capsicine stage extraction method, it is characterized in that described n-hexane extraction is to mix according to 1: 1 ratio of extracting solution and normal hexane volume ratio to extract 1-4 hour.
6. according to right 1 described a kind of capsicine stage extraction method, it is characterized in that described n-butyl acetate extraction is that 1: 5 ratio of volume ratio according to ethyl acetate and water continues reextraction with n-butyl acetate extraction, extraction time is 1-4 hour.
7. according to right 1 described a kind of capsicine stage extraction method, it is characterized in that described drying is that transpiring moisture is dry under 40-80 ℃, vacuum tightness 0.001-0.1MPa condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283246 CN102993041A (en) | 2011-09-15 | 2011-09-15 | Staged extraction method for capsaicin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110283246 CN102993041A (en) | 2011-09-15 | 2011-09-15 | Staged extraction method for capsaicin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102993041A true CN102993041A (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201110283246 Pending CN102993041A (en) | 2011-09-15 | 2011-09-15 | Staged extraction method for capsaicin |
Country Status (1)
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| CN (1) | CN102993041A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242677A (en) * | 2013-05-16 | 2013-08-14 | 王月顺 | Preparation method of paprika red pigment |
| CN104673482A (en) * | 2013-12-03 | 2015-06-03 | 天津市中敖饲料有限公司 | Extraction method of pseudo-ginseng oil |
| CN108276301A (en) * | 2018-02-11 | 2018-07-13 | 常德金德新材料科技股份有限公司 | A method of extraction capsaicine |
-
2011
- 2011-09-15 CN CN 201110283246 patent/CN102993041A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242677A (en) * | 2013-05-16 | 2013-08-14 | 王月顺 | Preparation method of paprika red pigment |
| CN104673482A (en) * | 2013-12-03 | 2015-06-03 | 天津市中敖饲料有限公司 | Extraction method of pseudo-ginseng oil |
| CN108276301A (en) * | 2018-02-11 | 2018-07-13 | 常德金德新材料科技股份有限公司 | A method of extraction capsaicine |
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Application publication date: 20130327 |