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Cis- and trans-canthaxanthin levels in Artemia cysts of different geographical origin
Nelis, H.; Lavens, P.; Sorgeloos, P.; Van Steenberge, M.; De Leenheer, A.P. (1987). Cis- and trans-canthaxanthin levels in Artemia cysts of different geographical origin, in: Decleir, W. et al. Artemia research and its applications: 2. Physiology, biochemistry, molecular biology. Proceedings of the Second International Symposium on the brine shrimp Artemia. pp. 99-104
In: Decleir, W. et al. (1987). Artemia research and its applications: 2. Physiology, biochemistry, molecular biology. Proceedings of the Second International Symposium on the brine shrimp Artemia. Universa Press: Wetteren. 562 pp., meer
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Documenttype: Congresbijdrage
Trefwoorden
    Artemia Leach, 1819 [WoRMS]
    Marien/Kust
Auteurs  Top 
  • Nelis, H.
  • Lavens, P., meer
  • Sorgeloos, P., meer
  • Van Steenberge, M.
  • De Leenheer, A.P.
Abstract
    The carotenoid composition of Artemia cysts from 17 geographical strains was studied. All-trans-canthaxanthins and cis-canthaxanthins were quantitatively determined using a non-aqueous reversed phase chromatographic method. In dehydrated cysts, the average cis- and trans-canthaxanthin levels (+/- SD) were 152 +/- 52 and 134 +/- 42 µg/g, respectively (range 38-227 and 67-201µg/g). The corresponding concentrations in hydrated cysts were (cis) 177 +/- 60 µg/g (range 47-271 µg/g) and (trans) 112 +/- 35 µg/g (range 52-169 µg/g). The cis/trans concentration ratios averaged 1.13 (range 0.57-1.47) and 1.60 (range 0.84-2.54) for dehydrated and hydrated cysts, respectively. Differences in total canthaxanthin content in Artemia cysts may partly reflect environmental variability (e.g. algal supply), whereas the divergence in the relative abundance of cis- and trans-canthaxanthin may be associated with differences in some physical and biological characteristics of the cysts.
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