http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109467581-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P37-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P39-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P1-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P9-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P3-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P7-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-7048 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07H1-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07H17-07 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07H1-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P39-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-7048 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P37-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P7-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07H17-07 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P1-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P3-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P9-10 |
| filingDate | 2018-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-09-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109467581-B |
| titleOfInvention | Method for extracting flavonoid glycoside from lotus leaves and pharmaceutical preparation containing flavonoid glycoside from lotus leaves |
| abstract | The invention provides a method for extracting and purifying flavonoid glycoside from lotus leaves and a preparation containing the flavonoid glycoside from lotus leaves, belonging to the technical field of extraction of traditional Chinese medicines, and the method comprises the following steps: adding water with the temperature of 60-80 ℃ into lotus leaf powder, stirring and extracting, separating an extracting solution and filter residues, extracting for 3 times, throwing the filter liquor, cooling to room temperature, adjusting the pH to 2-3, standing for 2 hours, and performing cross-flow filtration to obtain a fine filter liquor; adjusting the pH of the fine filtration liquid to 5-6.5, adsorbing, washing and eluting by using macroporous resin, collecting eluent with the purity of the lotus leaf flavonoid glycoside being more than or equal to 99%, and completing the extraction and purification of the lotus leaf flavonoid glycoside; the lotus leaf flavonoid glycoside obtained by purification in the invention is quercetin-3-O-beta-D glucuronide, wherein the purity of the quercetin-3-O-beta-D glucuronide is more than 99.22%, the yield is high, and the cost is low. The extraction method is simple, convenient and quick, and the extraction process can realize automation, intellectualization, greening and digitization. |
| priorityDate | 2018-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 50.