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  • Electronic books.  (1)
  • phosphate  (1)
  • 1
    Online Resource
    Online Resource
    Milton :Taylor & Francis Group,
    Keywords: Electronic books.
    Description / Table of Contents: This book covers current knowledge on uses of marine algae to obtain bulk and fine chemicals, coupled with optimization of the underlying production and purification processes. Major gaps and potential opportunities in this field are discussed in a critical manner.
    Type of Medium: Online Resource
    Pages: 1 online resource (342 pages)
    Edition: 1st ed.
    ISBN: 9781498705349
    DDC: 579.81776
    Language: English
    Note: Cover -- Title Page -- Copyright Page -- Table of Contents -- Preface -- Acknowledgements -- 1: Introduction to the Marine Algae: Overview -- 2: Importance of Seaweed in the Climate Change-Seaweed Solution -- 3: Microalgal Metabolism and their Utilisation -- 4: Microalgal Biomass Production -- 5: Advances and Constraints in Seaweed Farming as a Basal Constituent for the Environmentally Sustainable Development of Aquaculture in Chile -- 6: Microalgal Downstream Processing: Harvesting, Drying, Extraction, Separation, and Purification -- 7: Marine Algal Bioactivities -- 8: Macroalgal Phycocolloids -- 9: Microalgae for Feed -- 10: Potential Use of Extracts of Seaweeds Against Plant Pathogens -- 11: The Cosmeceutical Properties of Compounds Derived from Marine Algae -- 12: Dinoflagellates and Toxin Production -- 13: Integrated Multitrophic Aquaculture: An Overview -- 14: Alternative Green Biofuel from Microalgae: A Promising Renewable Resource -- 15: Genetic Engineering Approaches for the Exploitation of Marine Algae as Potential Sources of Organic and Inorganic Biofuels -- 16: Present and Future Economic and Environmental Impacts of Microalgal Technology -- Index -- About the Editors.
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  • 2
    ISSN: 1573-5117
    Keywords: agar ; agarophyte ; Gelidium ; phosphate ; Rhodophyta ; seaweed
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Phosphate concentration of the growth medium was found to affect the growth rate and agar yield of a clone of Gelidium robustum grown in the laboratory. To study differences in growth we used phosphate concentrations from 0 to 200 µM. To determine the effect of phosphate on agar yield and its properties we used concentrations from 0 to 20 µM. Growth rates generally increased with increasing phosphate concentration, with the highest growth rate (21% d−1) obtained at 150 µM. Agar yield as percentage of fresh weight was highest (10%) in the algae grown with low phosphate concentrations, but agar yield as percentage of dry weight was highest(43%) at 20 µM of phosphate. Gel strength increased with phosphate concentration with a maximum of 160 g m−2 for 0.75% gels for the cultures at 20 µM. Melting and gelling temperatures of the gels were also affected by phosphate concentration of the growth medium. Starch yield was highest in algae grown in low phosphate concentrations.
    Type of Medium: Electronic Resource
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