| Literature DB >> 17681561 |
Tomás Rezanka1, Linda Nedbalová, Karel Sigler, Vladislav Cepák.
Abstract
A method is described for the identification of astaxanthin glucoside esters from snow alga Chlamydomonas nivalis by means of liquid chromatography-mass spectrometry with atmospheric pressure chemical ionization (LC-MS/APCI). The method is based on the use of preparative HPLC and subsequent identification of astaxanthin diglucoside diesters by microbore LC-MS/APCI. The combination of these two techniques was used to identify more than 100 molecular species. The astaxanthin diglucoside diester, i.e. (all-E)-[di-(6-O-oleoyl-beta-D-glucopyranosyloxy)]-astaxanthin, was also synthesized to unambiguously confirm its structure.Entities:
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Year: 2007 PMID： 17681561 DOI： 10.1016/j.phytochem.2007.06.025
Source DB: PubMed Journal: Phytochemistry ISSN： 0031-9422 Impact factor: 4.072