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RSS FeedsIJERPH, Vol. 17, Pages 2221: Effects of Different Environmental Factors on the Growth and Bioactive Substance Accumulation of Porphyridium purpureum (International Journal of Environmental Research and Public Health)

 
 

26 march 2020 18:02:58

 
IJERPH, Vol. 17, Pages 2221: Effects of Different Environmental Factors on the Growth and Bioactive Substance Accumulation of Porphyridium purpureum (International Journal of Environmental Research and Public Health)
 


Genus Porphyridium is a primitive single-celled red algae widely distributed in seawater, freshwater, and moist soil. It can synthesize bioactive substances such as phycoerythrin, extracellular polysaccharides and polyunsaturated fatty acids during the growth process. In this paper, the culture and bioactive substance yield of Porphyridium purpureum were studied by setting salinity, nitrogen-to-phosphorus ratio, and pH at different gradient levels. The results showed that the optimal conditions for the growth of P. purpureum were salinity 34 ppt, nitrogen-to-phosphorus ratio 169:1, and pH 8; the optimal conditions for obtaining the polysaccharides were salinity 17 ppt, nitrogen-to-phosphorus ratio 14:1, and pH 8; the optimal conditions for obtaining phycoerythrin were salinity 17 ppt, nitrogen-to-phosphorus ratio 68:1, and pH 8; the optimal conditions for obtaining the lipids were salinity 34 ppt, nitrogen-to-phosphorus ratio 1:1, and pH 8. In actual production applications, culture conditions should be set according to different product accumulation purposes in order to achieve the optimal production efficiency.


 
178 viewsCategory: Medicine, Pathology, Toxicology
 
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