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International Journal on Algae
SJR: 0.229 SNIP: 0.261 CiteScore™: 0.24

ISSN Print: 1521-9429
ISSN Online: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v15.i3.70
pages 274-284

The Effect of Cultivation Conditions on Accumulation of Carotenoids in Phaeodactylum tricornutum Bohl. (Bacillariophyta)

A. V. Borodina
A.O. Kovalevsky Institute of Biology of the Southern Seas, NAS of Ukraine, 2, Nakhimov Prosp., Sevastopol, Crimea 99011, Ukraine
L. V. Ladygina
Institute of Biology of the Southern Seas, National Academy of Sciences of Ukraine, Sevastopol, Ukraine

ABSTRACT

The qualitative and quantitative composition of carotenoids in the diatom microalga Phaeodactylum tricornutum cultivated under different temperature and light conditions was studied. It was revealed that the carotenoid composition of microalga is represented by 5 fractions: β-carotene, fucoxanthin, diadinoxanthin, diatoxanthin, and diadinochrome. Fucoxanthin was represented by trans- and cis-isomeric forms. It is shown that carotenoid accumulation depends on conditions during cultivation. Fucoxanthin maximum accumulation occurs at 30 °C and constant illumination 4.5 klx.


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