CN101313923A - Polyphenol extracted from pistacia chinensis cake and extracting method thereof - Google Patents
Polyphenol extracted from pistacia chinensis cake and extracting method thereof Download PDFInfo
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Abstract
The invention discloses a polyphenol extracted from pistacia chinesis bunge seeds and an extraction method. The polyphenol is extracted by the following steps of: pistacia chinesis bunge seeds are used as raw materials and is added with an extracting solution according to a liquid to material ratio of between 1 to 3 and 1 to 200 g/ml. The mixture is leached for 1 minute to 7 hours under the conditions of a temperature of between 1 and 100 DEG C and a stirring speed of 0 to 1000 r/m and the pistacia chinesis bunge seeds are taken out. The solution is subject to centrifugation, volume determination, pressure reduction, concentration and distillation to remove the organic solvent. Thus a coarse polyphenol extract is obtained after vacuum freezing and drying. The invention adopts a solution extracting method using water, an acidic aqueous solution, an aqueous solution of an organic solvent or an aqueous solution of an acidic organic solvent as the extracting solution, with simple extraction conditions. The invention also uses ultrasonic waves or microwaves as an auxiliary means. Therefore, the extraction method can produce polyphonel with high yield rate, can improve the added value of processing and use of pistacia chinesis bunge and also provides a new resource for the polyphenol. As a result, the extraction method has good prospects in promotion and application.
Description
Technical field
The present invention relates to a kind of polyphenol that from pistacia chinensis cake, extracts and extracting method thereof, belong to biochemical field.
Background technology
Chinese pistache originates in China, and it is very wide to distribute, and north reaches Guangdong, Guangxi in the south from Hebei, by east, and east is to Taiwan, southwest to Sichuan, Photiniaserrulata, all have wild and cultivation.In recent years because the sharp increase of oil price, and petroleum-based energy severe contamination that environment is caused, the mankind begin to pay close attention to the development and application of renewable alternative energy source.The take a broad survey research nearest 3 years according to China, national forestry research institution thinks that Chinese pistache is the best seeds of northern oil-yielding shrubs.Therefore the research of Chinese pistache also receives publicity day by day, and the grouts that the Chinese pistache seed is carried behind the oil generally are used as fertilizer.Plant polyphenol research at home and abroad is many, it has antioxidation, hemostasis and anti-inflammation, the disease-resistant bacterium of detoxifcation, dental caries antiallergic, mutation, antitumor and canceration, anti-cataract, resisting cardiovascular disease, anti-nicotine, slow down aging promotion immunity, uvioresistant and sun-proof, whitening skin and preserving moisture, crease-resistant and keep a series of effects such as skin elasticity, so number of research projects concentrates on the new source of seeking polyphenol and studies its physiologically active; And the added value that polyphenol in the pistacia chinensis cake will improve Chinese pistache fruit grouts greatly if can be found and extract to data at home and abroad in the majority to the research of the growing environment of Chinese pistache, provides new source for polyphenol again simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of polyphenol that extracts from pistacia chinensis cake and extracting method thereof, this method is simply effective, and cost is low, and higher with the yield of this method extraction polyphenol.
Realize that the object of the invention technical scheme is a kind of method of extracting polyphenol from pistacia chinensis cake, earlier the raw material pistacia chinensis cake is carried out pretreatment and remove impurity, the raw material pistacia chinensis cake is carried out pretreatment adopt following steps successively: pulverize, sieve, with one or more mixture backflow defats in the tert-butyl alcohol, toluene, hexane, cyclohexane extraction, diisopropyl ether, No. 6 solvents or the petroleum ether, drying.It is as follows to extract the concrete steps that adopted then:
(1) get the pistacia chinensis cake raw material, by 1: the solid-liquid ratio of 3-1: 200g/ml adds water, aqueous solutions of organic solvent, the acidic aqueous solution of pH1-6 or the acid aqueous solutions of organic solvent of pH1-6 as extracting solution,
Be to take out behind the lixiviate 1min-7h under the 0-1000r/m condition at 1-100 ℃ with mixing speed then.
(2) isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.
On the basis of technique scheme, in step (1), pistacia chinensis cake added extracting solution after in the process of lixiviate, make under the effect of microwave of its ultrasound wave that is in 0-10000W power or 0-80000W power.
And the aqueous solution that wherein comprises one or more mixture in low-carbon alcohols such as methanol, ethanol, propanol and ether, acetone, the ethyl acetate as the aqueous solutions of organic solvent of extracting solution.
The acidic aqueous solution of above-mentioned pH1-6 as extracting solution is the aqueous solution of hydrochloric acid, perchloric acid, chloric acid, hypochlorous acid, Fluohydric acid., nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic acid, sulphuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium bisulfate, potassium acid sulfate, dibastic sodium phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium hydrogen sulfate, carboxylic acid, carboxylic acid anhydrides, hydrogen peroxide or Ammonium biphosphate, perhaps the aqueous solution of two or more mixture in them.
The acid aqueous solutions of organic solvent of above-mentioned pH1-6 as extracting solution comprises hydrochloric acid, perchloric acid, chloric acid, hypochlorous acid, Fluohydric acid., nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic acid, sulphuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium bisulfate, potassium acid sulfate, dibastic sodium phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium hydrogen sulfate, carboxylic acid, carboxylic acid anhydrides, hydrogen peroxide or Ammonium biphosphate, perhaps two or more mixture and mass percentage content are greater than 0 and mixed smaller or equal to 100% aqueous solutions of organic solvent in them, and wherein the organic solvent in the aqueous solutions of organic solvent comprises methanol, ethanol, low-carbon alcohols and ether such as propanol, acetone, one or more mixture in the ethyl acetate.
Above-mentioned separation centrifugal condition is 2000-15000r/m, 1-40 ℃.
Adopt existing polyphenol and trivalent iron salt to be reacted into green or blue method the material that extracts with technical scheme provided by the invention is carried out qualitative analysis, what can illustrate that the present invention extracts is polyphenol.With the Folin-Denis method polyphenol that obtains is carried out content and measure, the pH value of extracting solution, extraction temperature, extraction time and these conditions of solid-liquid ratio are remarkable to the influence of polyphenol yield in this technical scheme as can be known.
The present invention adopts the solution extraction method as shown from the above technical solution, with organic solvent commonly used or water as extracting solution, extraction conditions is simple and convenient, and the present invention also with ultrasonic or microwave extraction method as householder method, effect by ultrasound wave or microwave is fracturing cell walls better, makes that polyphenol is more to extract faster.Therefore the polyphenol yield of extracting method provided by the invention is higher, can improve the added value of Chinese pistache processing and utilization greatly, industrial good popularization and application prospect is arranged.
The specific embodiment
The present invention at first carries out pretreatment with the raw material pistacia chinensis cake, promptly pulverize successively, sieve, one or more mixture backflow defats in petroleum ether, toluene, hexane, cyclohexane extraction, diisopropyl ether, No. 6 solvents or the petroleum ether, backflow is to remove the oils and fats of granule foreign, remnants, dry standby, the raw material pistacia chinensis cake is carried out pretreatment can make extraction effect better, tackle the raw material pistacia chinensis cake generally speaking and carry out pretreatment; Then by 1: the solid-liquid ratio of 3-1: 200g/ml adds the acid aqueous solutions of organic solvent as water, aqueous solutions of organic solvent or the pH1-6 of extracting solution, behind 1-100 ℃ of lixiviate 1min-7h, take out then, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.
For improving the polyphenol yield, the present invention adds extracting solution with pistacia chinensis cake in step (2) after in the process of agitating heating lixiviate, make under the effect of microwave of its ultrasound wave that is in 0-10000W power or 0-80000W power, effect by ultrasound wave or microwave is fracturing cell walls better, extracts faster so that polyphenol is more.
Below the invention will be further described by specific embodiment.
Embodiment 1
The pretreated pistacia chinensis cake of 2g is added in the 6ml water, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 3h, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 0.72% under this condition.
Embodiment 2
It is in one or more mixture aqueous solutions in 1% methanol, ethanol, propanol, ether, acetone, the ethyl acetate that the pretreated pistacia chinensis cake of 2g is added the 6ml mass percent concentration, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 60min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measuring under this condition the polyphenol yield through the FD method is (as 1% acetone as extracting solution time yield be 0.82%) more than 0.7%.
Embodiment 3
The mass percent concentration that the pretreated pistacia chinensis cake of 2g is added 400ml is in one or more mixture solutions in 10% methanol, ethanol, propanol, ether, acetone, the ethyl acetate, put into 20 ℃ of water-bath lixiviates, take out behind the lixiviate 60min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measuring under this condition the polyphenol yield through the FD method is (as 10% acetone as extracting solution time yield be 0.86%) more than 0.7%.
Embodiment 4
The mass percent concentration that the pretreated pistacia chinensis cake of 2g is added 400ml is to put into 1 ℃ of water-bath lixiviate in 1% ethanol water, takes out behind the lixiviate 60min, isolates solution, deviates from solvent in the solution, and vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 0.64% under this condition.
Embodiment 5
The pH that the pretreated pistacia chinensis cake of 2g is added 18ml is that 1 ethanol mass percent concentration is to put into 50 ℃ of water-bath lixiviates in 60% the alcohol hydrochloric acid aqueous solution, lixiviate was taken out after 3 hours, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 2.26% under this condition.
Embodiment 6
It is that 1 ethanol mass percent concentration is in 60% the alcohol hydrochloric acid aqueous solution that the pretreated pistacia chinensis cake of 2g is added 18mlpH, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 1min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 0.94% under this condition.
Embodiment 7
It is that 2 ethanol mass percent concentration is in 60% the alcohol hydrochloric acid aqueous solution that the pretreated pistacia chinensis cake of 2g is added 18mlpH, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 1min and isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 2.34% under this condition.
Embodiment 8
The pH that the pretreated pistacia chinensis cake of 2g is added 18ml is that 1 ethanol mass percent concentration is in 70% the alcohol hydrochloric acid aqueous solution, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 1min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 1.94% under this condition.
Embodiment 9
The pH that the pretreated pistacia chinensis cake of 2g is added 400ml is that 2 ethanol mass percent concentrations are in the 70% alcohol hydrochloric acid aqueous solution, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 60min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 2.74% under this condition.
Embodiment 10
The pH that the pretreated pistacia chinensis cake of 2g is added 400ml is that 1 ethanol mass percent concentration is in the 70% alcohol hydrochloric acid aqueous solution, put into 1 ℃ of water-bath lixiviate, lixiviate was taken out after 3 hours, isolated solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 2.34% under this condition.
Embodiment 11
The pH that the pretreated pistacia chinensis cake of 2g is added 400ml is that 1 ethanol mass percent concentration is in the 70% alcohol hydrochloric acid aqueous solution, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 60min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 2.59% under this condition.
Embodiment 12
The pH that the pretreated pistacia chinensis cake of 2g is added 400ml is that 1 ethanol mass percent concentration is in 70% the alcohol hydrochloric acid aqueous solution, put into 100 ℃ of water-bath lixiviates, take out behind the lixiviate 60min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 2.56% under this condition.
Embodiment 13
The pH that the pretreated pistacia chinensis cake of 2g is added 6ml is that 1 ethanol mass percent concentration is in the 70% alcohol hydrochloric acid aqueous solution, put into 50 ℃ of water-bath lixiviates, take out behind the lixiviate 60min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 1.43% under this condition.
Embodiment 14
The pH that the pretreated pistacia chinensis cake of 2g is added 18ml is that 1 ethanol mass percent concentration is in the 70% alcohol hydrochloric acid aqueous solution, putting into 50 ℃ of water-baths and mixing speed is the 1000r/m lixiviate, take out behind the lixiviate 60min, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 2.39% under this condition.
Embodiment 15
The pH that the pretreated pistacia chinensis cake of 2g is added 400ml is that 6 mass percent concentrations are to put into 50 ℃ of water-baths in the aqueous solutions of organic solvent of one or more mixture in low-carbon alcohols such as 70% methanol, ethanol, propanol and ether, acetone, the ethyl acetate, take out behind the lixiviate 60min under the ultrasound wave effect of 10000W power, under 1-40 ℃, isolate solution with 2000-15000r/m, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measuring under this condition the polyphenol yield through the FD method is (as 70% ethanol as extracting solution time yield be 4.59%) more than 4.0%.
Embodiment 16
It is 2 hydrochloric acid that the pretreated pistacia chinensis cake of 2g is added 18ml pH, perchloric acid, chloric acid, hypochlorous acid, Fluohydric acid., nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic acid, sulphuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium bisulfate, potassium acid sulfate, dibastic sodium phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium hydrogen sulfate, carboxylic acid, carboxylic acid anhydrides, put into 50 ℃ of water-baths in the alcoholic solution of hydrogen peroxide or Ammonium biphosphate, take out behind the lixiviate 7h under the effect of the microwave of 80000W power, under 1-40 ℃, isolate solution with 2000-15000r/m, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measuring polyphenol yield under this condition through the FD method is (yield is 4.73% when being hydrochloric acid as wherein acid) more than 4.0%.
Can be with above-mentioned two or more acid and mass percentage content for greater than 0 and mixes afterwards in the pretreated pistacia chinensis cake of adding smaller or equal to 100% aqueous solutions of organic solvent, wherein organic solvent is one or more mixture in low-carbon alcohols such as methanol, ethanol, propanol and ether, acetone, the ethyl acetate.
Embodiment 17
The pH that the pretreated pistacia chinensis cake of 2g is added 18ml is in 1 the aqueous hydrochloric acid solution, putting into 50 ℃ of water-bath low whipping speeds is lixiviate under the 0-1000r/m condition, take out behind the lixiviate 30min, under 1-40 ℃, isolate solution with 2000-15000r/m, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.Measure through the FD method that the polyphenol yield is 0.94% under this condition.
Available acidic aqueous solution is replaced in the above aqueous hydrochloric acid solution, wherein the acidic materials in the acidic aqueous solution can be used perchloric acid, chloric acid, hypochlorous acid, Fluohydric acid., nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic acid, sulphuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium bisulfate, potassium acid sulfate, dibastic sodium phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium hydrogen sulfate, carboxylic acid, carboxylic acid anhydrides, hydrogen peroxide or Ammonium biphosphate, perhaps two or more mixture in them.
Claims (10)
1. Chinese pistache polyphenol, it is characterized in that adopting following steps to extract and get: to get the pistacia chinensis cake raw material, by 1: the solid-liquid ratio of 3-1: 200g/ml adds water, aqueous solutions of organic solvent, the acidic aqueous solution of pH1-6 or the acid aqueous solutions of organic solvent of pH1-6 as extracting solution, behind 1-100 ℃ of following lixiviate 1min-7h, take out then, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.
2. the extracting method of the described Chinese pistache polyphenol of claim 1, it is characterized in that may further comprise the steps: get the pistacia chinensis cake raw material, by 1: the solid-liquid ratio of 3-1: 200g/ml adds as the water of extracting solution, the acidic aqueous solution of pH1-6 or the acid aqueous solutions of organic solvent of pH1-6, behind 1-100 ℃ of following lixiviate 1min-7h, take out then, isolate solution, deviate from solvent in the solution, vacuum lyophilization obtains the polyphenol crude extract.
3. according to the method for the described extraction Chinese pistache polyphenol rapidly and efficiently of claim 2, it is characterized in that: before extraction step technology, earlier the raw material pistacia chinensis cake is carried out pretreatment and remove impurity, the raw material pistacia chinensis cake is carried out pretreatment adopt following steps successively: pulverize, sieve, with one or more mixture backflow defats in the tert-butyl alcohol, toluene, hexane, cyclohexane extraction, diisopropyl ether, No. 6 solvents or the petroleum ether, drying.
4. according to the method for the described extraction Chinese pistache polyphenol rapidly and efficiently of claim 2, it is characterized in that: the aqueous solution that comprises one or more mixture in low-carbon alcohols such as methanol, ethanol, propanol and ether, acetone, the ethyl acetate as the aqueous solution of the organic solvent of extracting solution.
5. according to the method for the described extraction Chinese pistache polyphenol rapidly and efficiently of claim 2, it is characterized in that: the acidic aqueous solution as the pH1-6 of extracting solution is a hydrochloric acid, perchloric acid, chloric acid, hypochlorous acid, Fluohydric acid., nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic acid, sulphuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium bisulfate, potassium acid sulfate, dibastic sodium phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium hydrogen sulfate, carboxylic acid, carboxylic acid anhydrides, the aqueous solution of hydrogen peroxide or Ammonium biphosphate, the perhaps aqueous solution of two or more mixture in them.
6. according to the method for the described extraction Chinese pistache polyphenol rapidly and efficiently of claim 2, it is characterized in that: as the acid aqueous solutions of organic solvent of the pH1-6 of extracting solution is hydrochloric acid, perchloric acid, chloric acid, hypochlorous acid, Fluohydric acid., nitric acid, nitrous acid, phosphoric acid, hydrobromic acid, bromic acid, periodic acid, sulphuric acid, sulfonic acid, sulfurous acid, boric acid, phytic acid, trichloroacetic acid, trifluoroacetic acid, sodium bisulfate, potassium acid sulfate, dibastic sodium phosphate, sodium dihydrogen phosphate, potassium hydrogen phosphate, potassium dihydrogen phosphate, ammonium chloride, ammonium nitrate, ammonium sulfate, ammonium hydrogen sulfate, carboxylic acid, carboxylic acid anhydrides, hydrogen peroxide or Ammonium biphosphate, perhaps two or more mixture and mass percentage content are greater than 0 and mixed smaller or equal to 100% aqueous solutions of organic solvent in them, when extracting solution is the acid aqueous solutions of organic solvent of pH1-6, pistacia chinensis cake is pressed 1: the solid-liquid ratio of 3-1: 200g/ml adds the acid aqueous solutions of organic solvent as the pH1-6 of extracting solution, is that lixiviate is taken out after 1 minute-7 hours under the 0-1000r/m condition at 1-100 ℃ with mixing speed.
7. according to the method for claim 2 or 6 described extraction Chinese pistache polyphenol rapidly and efficiently, it is characterized in that: wherein comprise one or more mixture in low-carbon alcohols such as methanol, ethanol, propanol and ether, acetone, the ethyl acetate as the organic solvent in the acid aqueous solutions of organic solvent of extracting solution.
8. according to the method for the described extraction Chinese pistache polyphenol rapidly and efficiently of claim 2, it is characterized in that: when 1-100 ℃ of following lixiviate, with the speed stirring of 0-1000r/m.
9. according to the method for the described extraction Chinese pistache polyphenol rapidly and efficiently of claim 2, it is characterized in that: in pistacia chinensis cake, add in the process of lixiviate behind the extracting solution, make under the effect of microwave of its ultrasound wave that is in 0-10000W power or 0-80000W power.
10. according to the method for the described extraction Chinese pistache polyphenol rapidly and efficiently of claim 2, it is characterized in that: the separation centrifugal condition is 2000-15000r/m, 1-40 ℃.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204885A (en) * | 2013-04-02 | 2013-07-17 | 吉林大学 | Rapid extracting and separating method of corn filament polyphenol |
| CN103301172A (en) * | 2013-05-20 | 2013-09-18 | 中国科学院合肥物质科学研究院 | Method for coproduction of pistacia chinensis bunge essential oil and polyphenol |
| CN103932147A (en) * | 2013-01-22 | 2014-07-23 | 陕西德融新能源股份有限公司 | Soy brewage technology using residual cake produced by use of pistacia chinensis bunge seed for oil production |
| CN103960422A (en) * | 2014-05-15 | 2014-08-06 | 中国科学院合肥物质科学研究院 | Processing method of pistacia lentiscus red tea |
| CN103976066A (en) * | 2014-05-15 | 2014-08-13 | 中国科学院合肥物质科学研究院 | Processing method of pistacia chinensis bunge green tea |
| CN106086114A (en) * | 2016-08-30 | 2016-11-09 | 上海大学 | Straw polyphenol monosaccharide joint production process |
| CN113880887A (en) * | 2021-10-11 | 2022-01-04 | 浙江理工大学 | Method for extracting multifunctional active biological polyphenol from waste wood fiber and application |
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2008
- 2008-06-30 CN CNA2008100482206A patent/CN101313923A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932147A (en) * | 2013-01-22 | 2014-07-23 | 陕西德融新能源股份有限公司 | Soy brewage technology using residual cake produced by use of pistacia chinensis bunge seed for oil production |
| CN103204885A (en) * | 2013-04-02 | 2013-07-17 | 吉林大学 | Rapid extracting and separating method of corn filament polyphenol |
| CN103204885B (en) * | 2013-04-02 | 2015-12-23 | 吉林大学 | A kind of rapid extraction separation method of corn filament polyphenol |
| CN103301172A (en) * | 2013-05-20 | 2013-09-18 | 中国科学院合肥物质科学研究院 | Method for coproduction of pistacia chinensis bunge essential oil and polyphenol |
| CN103960422A (en) * | 2014-05-15 | 2014-08-06 | 中国科学院合肥物质科学研究院 | Processing method of pistacia lentiscus red tea |
| CN103976066A (en) * | 2014-05-15 | 2014-08-13 | 中国科学院合肥物质科学研究院 | Processing method of pistacia chinensis bunge green tea |
| CN103976066B (en) * | 2014-05-15 | 2016-06-08 | 中国科学院合肥物质科学研究院 | A kind of processing method of Chinese pistache green tea |
| CN106086114A (en) * | 2016-08-30 | 2016-11-09 | 上海大学 | Straw polyphenol monosaccharide joint production process |
| CN113880887A (en) * | 2021-10-11 | 2022-01-04 | 浙江理工大学 | Method for extracting multifunctional active biological polyphenol from waste wood fiber and application |
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