Journal
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
Volume 26, Issue -, Pages 8-14Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.algal.2017.06.028
Keywords
Ruttnera lamellosa; Porphyridium purpureum; Microalgae; Fatty acids; Polysaccharides; Proximate composition
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Sustainable food and human health are the major concerns of the society in the last decades. Functional foods and nutraceuticals from natural sources such as microalgae are regarded as a solution. In this study the nutritional composition of Ruttnera lamellosa ACOI 339 has been evaluated and compared to the widely studied Porphyridium purpureum. R. lamellosa showed a proximate composition with 8.81% of protein and 43.88% of carbohydrate and also a convenient lack of fiber (0.94%). The strain revealed a lipid content of 2.68% with substantial amount of long chain polyunsaturated fatty acids, especially docosahexaenoic fatty acid (C22: 6.3 DHA) representing 6.36% of total fatty acids. The intracellular polysaccharide is rich in xylose, and also a promising antioxidant capacity of 12.02 mg/L equivalent to ascorbic acid was detected as an additional feature of the valuable biomass.
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