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dc.contributor.authorEwerts, Hendrik
dc.contributor.authorJanse van Vuuren, Sanet
dc.contributor.authorBarnard, Sandra
dc.contributor.authorSwanepoel, Annelie
dc.date.accessioned2018-11-16T06:09:53Z
dc.date.available2018-11-16T06:09:53Z
dc.date.issued2018
dc.identifier.citationEwerts, H. et al. 2018. The identification of organic substances associated with freshwater Ceratium hirundinella cells. Fundamental and applied limnology, 192(1):15-21. [https://doi.org/10.1127/fal/2018/1169]en_US
dc.identifier.issn1863-9135
dc.identifier.issn2363-7110 (Online)
dc.identifier.urihttp://hdl.handle.net/10394/31717
dc.identifier.urihttps://doi.org/10.1127/fal/2018/1169
dc.identifier.urihttps://www.schweizerbart.de/papers/fal/detail/192/89886/The_identification_of_organic_substances_associated_with_freshwater_Ceratium_hirundinella_cells
dc.description.abstractPhytoplankton synthesize biomolecules through the process of photosynthesis, and the decomposition of these molecules causes odors in water. While the freshwater dinoflagellate Ceratium hirundinella is well known for causing a variety of odors in water, the organic acid profile of this specimen has not been studied, and the compounds causing the odors have not been identified. Therefore, the aim of this study was to identify organic substances associated with C. hirundinella cells collected from a freshwater lake. Results reveal 131 organic substances, of which 27 are regarded as important due to their substantial quantity (> 1 mg L–1). Five fatty acids and two dicarboxylic acids are identified as the most prominent organic substances, with results showing that palmitic, succinic and oleic acids are the most important organic acids produced. Besides these, 4,7,10,13,16,19-docosahexaenoic, myristic, sebacic and palmitoleic acids also form part of the organic substance profile of C. hirundinella. It has become evident that high quantities of organic acids associated with C. hirundinella, may not be the sole cause of odors. It is thus proposed that organic substances, present in lower quantities, should be further investigateden_US
dc.language.isoenen_US
dc.publisherSchweizerbart Scienceen_US
dc.subjectAlgaeen_US
dc.subjectDinoflagellateen_US
dc.subjectOrganic acidsen_US
dc.subjectPalmitic aciden_US
dc.subjectOdorsen_US
dc.titleThe identification of organic substances associated with freshwater Ceratium hirundinella cellsen_US
dc.typeArticleen_US
dc.contributor.researchID11289856 - Barnard, Sandra


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