期刊
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
卷 38, 期 8, 页码 -出版社
SPRINGER
DOI: 10.1007/s11274-022-03320-6
关键词
Carotenoids; Green algae; Identification; Pigments; Separation; Tetraspora sp; CU2551
资金
- School of Science, King Mongkut's Institute of Technology Ladkrabang [2563-02-05-26]
- Scientific Instruments Center, School of Science, King Mongkut's Institute of Technology Ladkrabang
This study reports for the first time the potential of Tetraspora sp. CU2551 as an alternative source for carotenoid pigment production. The pigment extract yielded four sub-fractions, with lutein and canthaxanthin being the major pigments.
The green algae Tetraspora sp. CU2551 was previously identified as a strain with high potential for biohydrogen production; however, its algal biomass characteristics changed from green to reddish orange within 43 days of biohydrogen production. The crude pigments were extracted, partially purified, and characterized by chemical determination. The present study focused on elucidating the carotenoid composition of the selected green alga Tetraspora sp. CU2551. The pigment extract was partially purified and fractionated using thin layer chromatography, and yielded two major and two minor carotenoid bands. The fractions were confirmed by high-performance liquid chromatography with a diode array detector (HPLC-DAD) before being identified and confirmed using Liquid Chromatograph-Quadrupole Time of Flight-Mass Spectrometry (LC-QTOF-MS). The spectral data of these fractions revealed four sub-fractions of interest that were lutein, canthaxanthin, neochrome, and beta-carotene, which had percentages in the crude extracts of 30.57%, 25.47%, 7.89%, and 0.71%, respectively. Lutein and canthaxanthin were found to be the major carotenoid pigments present. Our findings in this present study are the first reporting of Tetraspora sp. CU2551 as a potential alternate source for carotenoid pigment production.
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