http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103467428-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-40 |
| filingDate | 2013-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103467428-B |
| titleOfInvention | A kind of preparation method of naringenin |
| abstract | The invention provides a kind of preparation method of naringenin, by naringin and hydrochloric acid soln mixed hydrolysis, separate out solid, after suction filtration, obtain naringenin with washing to wet crude product; Add acetum again to stir twice, solids washed with water after filtering again, neutral alumina chromatography column is crossed again with after dissolve with ethanol, through filtering after adding activated carbon decolorizing, by concentrated for filtrate heating, add distilled water crystallisation by cooling while hot to obtain naringenin and to wet fine work, drier after recrystallization, namely obtain naringenin.The present invention adopts hydrochloric acid as solvent in acid hydrolysis, has saved cost, has simplified operation; Acetic acid washing and the method by alumina chromatographic column adsorbing contaminant is adopted in last handling process, just the naringenin obtaining content more than 99% can be refined by means of only a recrystallization, reach the quality standard of naringenin reference substance, not only content is high, and yield is also high. |
| priorityDate | 2013-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 31.