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Production, Characterization, and Antioxidant Activity of Fucoxanthin from the Marine Diatom Odontella aurita
Institute of Hydrobiology, Jinan University, Guangzhou 510632, China
Laboratory for Algae Research and Biotechnology, College of Technology and Innovation, Arizona State University, 7001 E. Williams Field Road, Mesa, AZ 85212, USA
* Authors to whom correspondence should be addressed.
Received: 23 April 2013; in revised form: 7 June 2013 / Accepted: 8 July 2013 / Published: 23 July 2013
Abstract: The production, characterization, and antioxidant capacity of the carotenoid fucoxanthin from the marine diatom Odontella aurita were investigated. The results showed that low light and nitrogen-replete culture medium enhanced the biosynthesis of fucoxanthin. The maximum biomass concentration of 6.36 g L−1 and maximum fucoxanthin concentration of 18.47 mg g−1 were obtained in cultures grown in a bubble column photobioreactor (Ø 3.0 cm inner diameter), resulting in a fucoxanthin volumetric productivity of 7.96 mg L−1 day−1. A slight reduction in biomass production was observed in the scaling up of O. aurita culture in a flat plate photobioreactor, yet yielded a comparable fucoxanthin volumetric productivity. A rapid method was developed for extraction and purification of fucoxanthin. The purified fucoxanthin was identified as all-trans-fucoxanthin, which exhibited strong antioxidant properties, with the effective concentration for 50% scavenging (EC50) of 1,1-dihpenyl-2-picrylhydrazyl (DPPH) radical and 2,2′-Azino-bis(3-ethylbenzthiazoline-6-sulfonic acid (ABTS) radical being 0.14 and 0.03 mg mL−1, respectively. Our results suggested that O. aurita can be a natural source of fucoxanthin for human health and nutrition.
Keywords: Odontella aurita; fucoxanthin; photobioreactor; antioxidant
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MDPI and ACS Style
Xia, S.; Wang, K.; Wan, L.; Li, A.; Hu, Q.; Zhang, C. Production, Characterization, and Antioxidant Activity of Fucoxanthin from the Marine Diatom Odontella aurita. Mar. Drugs 2013, 11, 2667-2681.
Xia S, Wang K, Wan L, Li A, Hu Q, Zhang C. Production, Characterization, and Antioxidant Activity of Fucoxanthin from the Marine Diatom Odontella aurita. Marine Drugs. 2013; 11(7):2667-2681.
Xia, Song; Wang, Ke; Wan, Linglin; Li, Aifen; Hu, Qiang; Zhang, Chengwu. 2013. "Production, Characterization, and Antioxidant Activity of Fucoxanthin from the Marine Diatom Odontella aurita." Mar. Drugs 11, no. 7: 2667-2681.