http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108299460-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B2200-13 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D493-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D493-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D493-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D493-18 |
| filingDate | 2018-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-11-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108299460-B |
| titleOfInvention | The extracting method of qinghaosu and Artemisitene |
| abstract | The present invention relates to the environment-friendly high-efficiency extracting methods of a kind of qinghaosu and Artemisitene, comprising: (1) mixes artemisia annua with cellulase, deionized water；(2) extractant is added into material, material is placed in colloid mill；(3) gained mixture is subjected to filters pressing；(4) entrainer is added into gained filter cake and carries out carbon dioxide supercritical extraction；(5) gained filters pressing mother liquor is mixed with gained extract, and chitosan is added, be concentrated；(6) concentrated extract is eluted by chromatographic column, attapulgite is added in eluent, adjust pH and ultrasonic vibration；(7) it filters, be concentrated, crystallization, obtaining sweet wormwood cellulose crystal；(8) mixed solvent is added in gained filter cake, is filtered after ultrasonic vibration, gained filtrate is concentrated, is crystallized, and Artemisitene crystal is obtained.The method of the present invention has the characteristics that environmental protection, recovery rate are high, product purity is high, extraction efficiency is fast, good separating effect. |
| priorityDate | 2018-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 89.