Data/hora: 10/06/2024 12:15:27

Provedor de dados: | 52
País: | Brazil
Título: | Effect of nutrients on total lipid content and fatty acids profile of Scenedesmus obliquus
Autores: | Darki,Behrouz Zarei; Seyfabadi,Jafar; Fayazi,Sima.
Data: | 2017-01-01
Ano: | 2017
Palavras-chave: | Monounsaturated fatty acids; Polyunsaturated fatty acids; Canonical correspondence analysis; Green algae; Caspian Sea.
Resumo: | ABSTRACT  The effect of nutrients on the total lipid content and fatty acid profile of Scenedesmus obliquus isolated from the south coast of the Caspian Sea was evaluated. The nutritional compositions of the media impacted the growth rate and biomass of S. obliquus that ranged from 0.175 day-1 to 0.209 day-1and 0.92 gr·l-1 to 1.79 gr·l-1, respectively. The alga grew better in the medium which was characterized by higher levels of sodium and trace elements such as Fe, Mn, Mo, and Co and poor in N and P as compared with the other media. The highest level of the total lipid (32%) and the highest values of saturated fatty acids, in particular palmitic acid also were positively correlated with these nutrients. Peaks in polyunsaturated fatty acids (43.7 %), especially α-linolenic acid (28.4%) were related to N and P, but its correlation with K and Mg was more evident. The most important factors correlated with high amount of monounsaturated fatty acids were also N and P, followed by K and Mg to a lesser extent. This study demonstrated that the same algal strain may be a source of different amount of fatty acids, depending on the composition of the culture medium.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100200
Editor: | Instituto de Tecnologia do Paraná - Tecpar
Relação: | 10.1590/1678-4324-2017160304
Formato: | text/html
Fonte: | Brazilian Archives of Biology and Technology  v.60 2017
Fonte: | info:eu-repo/semantics/openAccess