odontella aurita
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Author(s):  
Y Liang ◽  
L Bretherton ◽  
CM Brown ◽  
U Passow ◽  
A Quigg ◽  
...  
Keyword(s):  


2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Jon Brage Svenning ◽  
Lars Dalheim ◽  
Terje Vasskog ◽  
Lucie Matricon ◽  
Birthe Vang ◽  
...  

AbstractCell wall disruption is necessary to maximize lipid extraction yields in conventional species of mass-cultivated microalgae. This study investigated the effect of sonication, solvent choice and number of extractions on the lipid yield, lipid class composition and fatty acid composition of the diatom Porosira glacialis. For comparison, the diatom Odontella aurita and green alga Chlorella vulgaris were included in the study. Sonication effectively disrupted P. glacialis cells, but did not increase the total lipid yield compared to physical stirring (mixing). In all three microalgae, the content of membrane-associated glyco- and phosopholipids in the extracted lipids was strongly dependent on the solvent polarity. A second extraction resulted in higher yields from the microalgae only when polar solvents were used. In conclusion, choice of solvent and number of extractions were the main factors that determined lipid yield and lipid class composition in P. glacialis.



2018 ◽  
Vol 126 (6) ◽  
pp. 723-729 ◽  
Author(s):  
Song Xia ◽  
Baoyan Gao ◽  
Jiaqi Fu ◽  
Jihai Xiong ◽  
Chengwu Zhang


2017 ◽  
Vol 20 ◽  
pp. 232-242 ◽  
Author(s):  
Janani Seralathan ◽  
Asaraf Ali Abdul Salam ◽  
Harshini Selva Mohan ◽  
Deivasigamani Balaraman ◽  
Sampathkumar Pitchai ◽  
...  


Author(s):  
Shailesh Upadhyay Kapil Lawrence ◽  
Sudhir K. Shekhar P. Anantharaman


2016 ◽  
Vol 28 (5) ◽  
pp. 655-661
Author(s):  
Annadurai Hemalatha ◽  
Syed Abdul Rahman Mohammed Esa ◽  
Murugan Suresh ◽  
Nooruddin Thajuddin ◽  
Perumal Anantharaman


2015 ◽  
Vol 228 (1) ◽  
pp. 1-12 ◽  
Author(s):  
Hamza Amine ◽  
Yacir Benomar ◽  
Adil Haimeur ◽  
Hafida Messaouri ◽  
Nadia Meskini ◽  
...  

The beneficial effect of polyunsaturated omega-3 fatty acid (w-3 FA) consumption regarding cardiovascular diseases, insulin resistance and inflammation has been widely reported. Fish oil is considered as the main source of commercialized w-3 FAs, and other alternative sources have been reported such as linseed or microalgae. However, despite numerous reports, the underlying mechanisms of action of w-3 FAs on insulin resistance are still not clearly established, especially those from microalgae. Here, we report that Odontella aurita, a microalga rich in w-3 FAs eicosapentaenoic acid, prevents high fat diet-induced insulin resistance and inflammation in the liver of Wistar rats. Indeed, a high fat diet (HFD) increased plasma insulin levels associated with the impairment of insulin receptor signaling and the up-regulation of toll-like receptor 4 (TLR4) expressions. Importantly, Odontella aurita-enriched HFD (HFOA) reduces body weight and plasma insulin levels and maintains normal insulin receptor expression and responsiveness. Furthermore, HFOA decreased TLR4 expression, JNK/p38 phosphorylation and pro-inflammatory factors. In conclusion, we demonstrate for the first time, to our knowledge, that diet supplementation with whole Ondontella aurita overcomes HFD-induced insulin resistance through the inhibition of TLR4/JNK/p38 MAP kinase signaling pathways.



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