Effects of organic compounds on the macroalgae culture of Aegagropila linnaei

Abstract

Abstract:The effects of the impact of four organic compounds (ascorbic acid, biotin, glucose and sucrose) on ash, protein, fiber, fat and amino acid contents in the freshwater Aegagropila linnaei biomass were examined in 7 and 14 days of cultivations in high concentrations of tested compounds (100 mg L -1). The presence of examined organic compounds had a negligible effect on the development of algae and their biomass composition. There were no significant differences in the amino acids composition in the biomass in the presence of organic compounds compared to the test system. However, the increase in ash content was observed irrespective of the cultivation time in the case of all used organic compounds. Only slight differences in crude fat concentration were observed in the case of 7 days cultivation with ascorbic acid, biotin and sucrose, while the highest increase of ash content was observed after 14 days of supplementation with glucose. None of the compounds affected changes in amino acid content in the Aegagropila linnaei biomass. The results suggest that an environment enriched with the test organic compounds had only minimal, or at most short-term, effects on the algal biomass composition.

Comparison of the Antioxidant Properties of Green Macroalgae from Diverse European Water Habitats by Use of Several Semi-Quantitative Assays

“…There are no literature data on its chemical composition, it is only known to contain significant amount of carotenoids [31][32][33]. Moreover, only a single study has been undertaken to determine the impact of four organic compounds: ascorbic acid, biotin, glucose and sucrose, on ash, protein, fiber, fat and amino acid content in the freshwater Aegagropila linnaei biomass [34].…”

The effect of Cladophora glomerata exudates on the amino acid composition of Cladophora fracta and Rhizoclonium sp.

“…According to literature, only changes in Proline accumulation in response to environmental stress have been studied. The defense of resources by FGA involves competition, which may influence biochemical and morphological changes in cells and filaments -which have not been yet sufficiently studied [20]. This study focuses on C. glomerata, the most common and dominant FGA in the world and other species interaction with C. fracta and Rhizolonium sp.…”