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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/12855

Title: Alkaline extraction of seaweed carrageenan hydrocolloids using cocoa pod husk ash
Authors: Rhein-Knudsen, Nanna
Ale, Marcel Tutor
Rasmussen, Søren
Kamp, Simon Kjær
Bentil, Joseph A.
et. al
Keywords: Potassium
Circular economy
Issue Date: 2018
Publisher: Springer-Verlag GmbH Germany
Citation: Rhein-Knudsen, N., Ale, M. T., Rasmussen, S., Kamp, S. K., Bentil, J. A., & Meyer, A. S. (2018). Alkalineextraction of seaweed carrageenan hydrocolloids using cocoa pod husk ash. Biomass Conversion andBiorefinery, 8(3), 577-583. https://doi.org/10.1007/s13399-018-0305-y
Abstract: The cocoa industry in Ghana is the second largest in the world, and it generates huge amounts of cocoa pod husks, whichcurrently represent a disposal problem as no significant use has been found for them. The husks are rich in potassium, which maybe used for alkaline hydrocolloid extraction from red seaweeds. Chemical and rheological properties ofκ-carrageenan fromKappaphycus alvareziiand the Ghanaian red seaweedHypnea musciformisextracted by KOH (benchmark) or by a cocoa podhusk ash solution were compared. Similar extraction yields and successful modification of the seaweed hydrocolloids with 3,6-anhydro-galactopyranose and sulfate contents of 37–38 and 16–17%, respectively, were obtained with cocoa pod husk ash andKOH extraction. Gel strengths of theκ-carrageenans were also similar: G′at 25 °C were 5780 Pa with cocoa pod husk ash and5930 Pa with KOH. These findings have implications for industrial waste biomass utilization and sustainable green growthdevelopment of seaweed hydrocolloid processing in Ghana.
Description: An article published by Springer-Verlag GmbH Germany and also available at DOI:10.1007/s13399-018-0305-y
URI: http://hdl.handle.net/123456789/12855
Appears in Collections:College of Science

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