Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia

Abstract Microalgae are important microorganisms which produce potentially valuable compounds. Astaxanthin, a group of xanthophyll carotenoids, is one of the most powerful antioxidants mainly found in microalgae, yeasts, and crustaceans. Environmental stresses such as intense light, drought, high sa...

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Autores principales:	Marshila Kaha, Koji Iwamoto, Nurul Ashyikin Yahya, Noraiza Suhaimi, Norio Sugiura, Hirofumi Hara, Nor’Azizi Othman, Zuriati Zakaria, Kengo Suzuki
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bb3b3cff47f04bbd9e9619a81b911bb0
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spelling	oai:doaj.org-article:bb3b3cff47f04bbd9e9619a81b911bb02021-12-02T15:57:20ZEnhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia10.1038/s41598-021-91128-z2045-2322https://doaj.org/article/bb3b3cff47f04bbd9e9619a81b911bb02021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91128-zhttps://doaj.org/toc/2045-2322Abstract Microalgae are important microorganisms which produce potentially valuable compounds. Astaxanthin, a group of xanthophyll carotenoids, is one of the most powerful antioxidants mainly found in microalgae, yeasts, and crustaceans. Environmental stresses such as intense light, drought, high salinity, nutrient depletion, and high temperature can induce the accumulation of astaxanthin. Thus, this research aims to investigate the effect of black light, also known as long-wave ultraviolet radiation or UV-A, as a stressor on the accumulation of astaxanthin as well as to screen the antioxidant property in two tropical green algal strains isolated from Malaysia, Coelastrum sp. and Monoraphidium sp. SP03. Monoraphidium sp. SP03 showed a higher growth rate (0.66 day−1) compared to that of Coelastrum sp. (0.22 day−1). Coelastrum sp. showed significantly higher accumulation of astaxanthin in black light (0.999 g mL culture−1) compared to that in control condition (0.185 g mL−1). Similarly, Monoraphidium sp. SP03 showed higher astaxanthin content in black light (0.476 g mL culture−1) compared to that in control condition (0.363 g mL culture−1). Coelastrum sp. showed higher scavenging activity (30.19%) when cultured in black light condition, indicating a correlation between the antioxidant activity and accumulation of astaxanthin. In this study, black light was shown to possess great potential to enhance the production of astaxanthin in microalgae.Marshila KahaKoji IwamotoNurul Ashyikin YahyaNoraiza SuhaimiNorio SugiuraHirofumi HaraNor’Azizi OthmanZuriati ZakariaKengo SuzukiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Marshila Kaha Koji Iwamoto Nurul Ashyikin Yahya Noraiza Suhaimi Norio Sugiura Hirofumi Hara Nor’Azizi Othman Zuriati Zakaria Kengo Suzuki Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia
description	Abstract Microalgae are important microorganisms which produce potentially valuable compounds. Astaxanthin, a group of xanthophyll carotenoids, is one of the most powerful antioxidants mainly found in microalgae, yeasts, and crustaceans. Environmental stresses such as intense light, drought, high salinity, nutrient depletion, and high temperature can induce the accumulation of astaxanthin. Thus, this research aims to investigate the effect of black light, also known as long-wave ultraviolet radiation or UV-A, as a stressor on the accumulation of astaxanthin as well as to screen the antioxidant property in two tropical green algal strains isolated from Malaysia, Coelastrum sp. and Monoraphidium sp. SP03. Monoraphidium sp. SP03 showed a higher growth rate (0.66 day−1) compared to that of Coelastrum sp. (0.22 day−1). Coelastrum sp. showed significantly higher accumulation of astaxanthin in black light (0.999 g mL culture−1) compared to that in control condition (0.185 g mL−1). Similarly, Monoraphidium sp. SP03 showed higher astaxanthin content in black light (0.476 g mL culture−1) compared to that in control condition (0.363 g mL culture−1). Coelastrum sp. showed higher scavenging activity (30.19%) when cultured in black light condition, indicating a correlation between the antioxidant activity and accumulation of astaxanthin. In this study, black light was shown to possess great potential to enhance the production of astaxanthin in microalgae.
format	article
author	Marshila Kaha Koji Iwamoto Nurul Ashyikin Yahya Noraiza Suhaimi Norio Sugiura Hirofumi Hara Nor’Azizi Othman Zuriati Zakaria Kengo Suzuki
author_facet	Marshila Kaha Koji Iwamoto Nurul Ashyikin Yahya Noraiza Suhaimi Norio Sugiura Hirofumi Hara Nor’Azizi Othman Zuriati Zakaria Kengo Suzuki
author_sort	Marshila Kaha
title	Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia
title_short	Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia
title_full	Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia
title_fullStr	Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia
title_full_unstemmed	Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia
title_sort	enhancement of astaxanthin accumulation using black light in coelastrum and monoraphidium isolated from malaysia
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/bb3b3cff47f04bbd9e9619a81b911bb0
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Enhancement of astaxanthin accumulation using black light in Coelastrum and Monoraphidium isolated from Malaysia

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