Effect of Humic Substances on the Growth of Microalgal Cultures

Effect of Humic Substances on the Growth of Microalgal Cultures Treatment with humic substances (preparation Biomin) considerably increased viability of algae during long storage (6 months) in collection. The effect was greater with green algae (Scenedesmus and Chlorella) than with blue-green algae (Nostoc and Anabaena). In intensive cultures, lower Biomin concentrations (1–10 mg/l) increased the biomass production, protein, chlorophyll and carotenoid content, as well as α-esterase and glutamate dehydrogenase activities, whereas the lipid and carbohydrate content was higher at 100 mg/l Biomin. A high Biomin concentration (1 g/l) exerted an inhibition. Biomin supply to the cultures in outdoor installation of Shetlik type was associated with a moderate stimulation of algal biomass accumulation. It was concluded that Biomin might be helpful in the improvement of algal viability and growth. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Effect of Humic Substances on the Growth of Microalgal Cultures

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2005 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1007/s11183-005-0060-3
Publisher site
See Article on Publisher Site

Abstract

Treatment with humic substances (preparation Biomin) considerably increased viability of algae during long storage (6 months) in collection. The effect was greater with green algae (Scenedesmus and Chlorella) than with blue-green algae (Nostoc and Anabaena). In intensive cultures, lower Biomin concentrations (1–10 mg/l) increased the biomass production, protein, chlorophyll and carotenoid content, as well as α-esterase and glutamate dehydrogenase activities, whereas the lipid and carbohydrate content was higher at 100 mg/l Biomin. A high Biomin concentration (1 g/l) exerted an inhibition. Biomin supply to the cultures in outdoor installation of Shetlik type was associated with a moderate stimulation of algal biomass accumulation. It was concluded that Biomin might be helpful in the improvement of algal viability and growth.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: May 19, 2005

References

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