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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
1
|
| pubmed:dateCreated |
1982-6-14
|
| pubmed:abstractText |
In this study valtrate and isovaltrate, two isomeric valepotriates present in various Valeriana species, were separated on a preparative scale with a Waters preparative Liquid Chromatography/500 A system. A rapid separation was achieved with the solvent methylene chloride-n-propanol-acetone (99 + 0.5 + 0.5). Extensive use of the recycle mode of the instrument resulted in a considerable reduction of the amount of solvent used, without affecting the purity and the recovery (greater than 90%) of the separated components. With the method presented in this communication 1 gram of a mixture of valtrate and isovaltrate was separated in 20 minutes using 2.1 liters of solvent.
|
| pubmed:language |
eng
|
| pubmed:journal | |
| pubmed:citationSubset |
IM
|
| pubmed:chemical | |
| pubmed:status |
MEDLINE
|
| pubmed:month |
Feb
|
| pubmed:issn |
0167-6555
|
| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:day |
19
|
| pubmed:volume |
4
|
| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
|
| pubmed:pagination |
21-4
|
| pubmed:dateRevised |
2008-2-25
|
| pubmed:meshHeading | |
| pubmed:year |
1982
|
| pubmed:articleTitle |
Separation of valtrate and isovaltrate by means of preparative liquid chromatography.
|
| pubmed:publicationType |
Journal Article
|