2014•Hubei nongye kexueRequires access

Cultivation of Algal Species of Scenedesmus obliquus Which Producing Astaxantin

Ling Shan-fen

Abstract

Effects of concentration of sodium selenite on Scenedesmus obliquus biomass were studied. Effects of 2.0 g / L NTG and UV irradiance stress on onastaxanthin content of S. obliquus was investigated. The results showed that the biomass of Scenedesmus obliquus increased when the concentration of sodium selenite increased. The astaxanthin content of Scenedesmus obliquus increased when the UV-B irradiation dose of Scenedesmus obliquus increased. When UV-B irradiation was 0.6 W / m2,the astaxanthin content of Scenedesmus obliquus in the combined treatment group was 37.15 times higher than that of the control with the significant difference(P0.05).

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Key concepts: Scenedesmus obliquus, Scenedesmus, Biomass (ecology), Astaxanthin, Food science, Chemistry, Botany, Irradiation