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Item Investigations on carotenoids in lichens. XXIV. Further studies of carotenoids in lichens of the Antarctica(1989) Czeczuga, Bazyli; Olech, maríaBy column and thin-layer chromatography revealed the presence of the following carotenoids in lichens from the Antarctica: rubixanthin, a-, B-carotene, B-cryptoxanthin, lutein, 3' -epilutein, zeaxanthin, B-carotene epoxide, lutein epoxide, antheraxanthin, canthaxanthin, a-doradexanthin, astaxanthin, violaxanthin, neoxanthin, cryptoflavin and mutatoxanthin. The total content of carotenoids ranged from 12.2 (in Rhizoplaca aspidophora) to 229.6 u-g/g dry wt (Xanthoria candelaria f. antarctica).