| 摘要 |
It has been demonstrated that conjugated linoleic acid isomers with the first double bond in position 9 (cis) or 10 (trans), added exogenously, can be desaturated in position 6 by the cyanobacterium Spirulina platensis. The metabolites, 6-cis, 9-cis, 11-trans-octadecatrienoic and 6-cis,10-trans,12-cis-octadecatrienoic acids, which have not previously been characterized, were isolated by a combination of chromatographic techniques and the structures were confirmed by gas chromatography-mass spectrometry in the form of picolinyl ester and dimethyloxazoline derivatives. |
