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1

Carotenoid content in Lota lota (L.) individuals in various biological activity periods

100%
Czeczuga B., Czeczuga-Semeniuk E.
Folia Biologica
|
1999
|
vol. 47
|
issue 3-4
67-72
EN
The authors investigated the carotenoid content in the particular parts of Lota lota in summer, autumn, and winter, i.e. when burbots exhibit the lowest and highest activity. By means of columnar and thin-layer chromatography, the following carotenoids were found to be presenct: a-carotene, b-carotene, e-carotene, b-cryptoxanthin, neothxanthin, lutein, 3?-epi- lutein, zeaxanthin, tunaxanthin, antheraxanthin, lutein epoxide, echinenone, 3?-hydroxy- echinenone, idoxanthin, canthaxanthin, a-doradexanthin, b-doradexanthin, astaxanthin, diatoxanthin, parasiloxanthin, monadoxanthin, 7,8-dihydroparasiloxanthin, mutatoxanthin and rhodoxanthin. In the Lota lota individuals examined, the content of carotenoids was found to differ in winter and summer. The total carotenoid content ranged from 0.067 (gonads of males) of to 6.095 ?g g-1 wet weight (fins of males from December).
2

Chirocephalus diaphanus Prevost (Crustacea: Anostraca)

100%
Czeczuga B., Czeczuga-Semeniuk E.
Folia Biologica
|
1998
|
vol. 46
197-201
EN
A carotenoprotein containing canthaxanthin and phoenicoxan-thin as the prosthetic group was purified from the body of the Chirocephalus diaphanus (Crustacea: Anostraca). The analysis of the proteins forming the complexes with the above-mentioned ketocarotenoids were found to contain 17 amino acids, mainly glycine, glutamine, proline, and asparagine with minimal amounts of methionine.
3

Adaptative role of carotenoids and carotenoproteins in Cyclops kolensis Lilljeborg (Crustacea: Copepoda) specimens to extremely eutrophical conditions

81%
Czeczuga B., Kozlowska M., Czeczuga-Semeniuk E.
Folia Biologica
|
2000
|
vol. 48
|
issue 3-4
77-84
EN
The authors, using column, thin-layer, and ion-exchange chromatography, investigated carotenoid and carotenoprotein complex content in Cyclops kolensis specimens from an extremely eutrophic pond. The following carotenoids were found to be present: b-carotene, b-cryptoxanthin, lutein epoxide, crustaxanthin, 4?-hydroxyechinenone, canthaxanthin, and astaxanthin. Carotenoprotein complex containing astaxanthin as the prosthetic group name g-crustacyanine was purified from Cyclops kolensis individuals examined. The authors justify the adaptative role of these pigments in Cyclops kolensis specimens in extremely eutrophical conditions.
4

Carotenoprotein complexes from Hydrocorals

81%
Czeczuga B., Florez L. G., Chomutowska H., Czeczuga-Semeniuk E.
Folia Biologica
|
1999
|
vol. 47
|
issue 1-2
1-4
EN
A carotenoprotein containing zeaxanthin, canthaxanthin, and astaxanthin as the prosthetic group was purified from the carotenoid-calcium carbonate complex of aragonite skeleton of 8 taxa (genus Millepora and Stylaster) of the hydrocorals from the Caribbean Sea.
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