http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102349647-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6bc7598175bf363a4c393b3bc50986a0 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A23L33-105 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C403-24 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C403-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A23L33-00 |
| filingDate | 2011-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2013-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cd4fb0931c111cacfc9a03bcab925716 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7874281b4c6c3d45874952c848b4079a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_037f64fe03b58d8574c62168e97a7e6c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ce349108efeffcf5162cb3b625656bcd http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_17d07a72e31f1446e614fba78e79cc52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0ddc804cfb4b22ca7a3e1249570af095 |
| publicationDate | 2013-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102349647-B |
| titleOfInvention | Combination containing lutein ester and preparation method thereof |
| abstract | The invention relates to a combination containing lutein ester and a preparation method thereof. The preparation method comprises the steps of: decreasing the temperature of solution of a marigold extract solvent A to 20-28 DEG C, maintaining the temperature for 0.5-4 hours, decreasing the temperature to 5-18 DEG C, maintaining the temperature for 0.5-4 hours and filtering to obtain a filter cake I; and under the condition of 30-70 DEG C, dissolving the filter cake I in a mixed solvent A, agitating for 0.5-5 hours, decreasing the temperature to 10-28 DEG C, keeping the temperature for 0.5-5 hours, filtering to obtain a filter cake II and conducting subsequent steps, wherein the mixed solvent A is the mixed solvent of methyl acetate, acetic ether, n-propyl acetate or butyl acetate and C1-3 alcohol. By adopting the method provided by the invention, the process is simple and feasible, the industrialization is easy to realize, all operations are conducted at low temperature and the stability of the product is guaranteed. The yield of the obtained product highly reaches more than 25 percent, the content of total esters in the product is more than 70 percent, the content of trans-lutein highly reaches 90-93 percent and the bioactivity of the product during use is greatly improved. |
| priorityDate | 2011-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 69.