http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109694772-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_9d708a07486c27db90c59dff5b44f364 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C11B1-106 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C11B1-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C11B3-001 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11B1-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11B1-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C11B3-00 |
| filingDate | 2017-10-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3ab30462d0444b7d1ac1ff4ed15e135a |
| publicationDate | 2019-04-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109694772-A |
| titleOfInvention | A kind of extracting method of piper cubeba volatile oil |
| abstract | The invention discloses a kind of extracting method of piper cubeba volatile oil, include the following steps: piper cubeba fruit drying and crushing crossing 40 meshes；60 ~ 70% ethanol solution of 5 ~ 6 times of its weight is added into above-mentioned raw materials, frequency is used to be extracted for the ultrasonic wave of 60KHz, filters, filtrate is concentrated into no alcohol taste；Gained concentrate is eluted through 60 ~ 70% chloroform of macroporous absorbent resin upper prop, 4 ~ 6 times of column volumes, collects eluent, concentration, drying.Extracting method of the invention is simple and easy, high income, does not need a large amount of organic solvent, safe and non-toxic, is suitable for industrialized production. |
| priorityDate | 2017-10-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 21.