Valorisation strategies for cocoa pod husk and its fractions
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Cocoa pod husk (CPH) is the main by-product (ca. 70-75% weight of whole fruit) of the cocoa harvest, an important and economic crop in developing countries. It is a rich source of minerals (particularly potassium), fibre (including lignin, cellulose, hemicellulose and pectin) and antioxidants (e.g. phenolic acids). An existing practise is the return of CPH to soil with potential benefits (or disadvantages) for cocoa productivity and soil sustainability that have not been fully characterised. Currently, alternative low-value applications of CPH include its use as animal feed, as a starting material for soap making and activated carbon. Other biotechnological valorisation potentials for CPH and its fractions include the production of bio-fuels and their incorporation in food systems. Physical, chemical or biological pre-treatment approaches are needed in order to achieve desirable fractions in a cost-effective and sustainable manner for novel applications in food and non-food sectors.
Lu , F , Rodriguez-Garcia , J , Van Damme , I , Westwood , N J , Shaw , L , Robinson , J S , Warren , G , Chatzifragkou , A , McQueen Mason , S , Gomez , L , Faas , L , Balcombe , K , Srinivasan , C , Picchioni , F , Hadley , P & Charalampopoulos , D 2018 , ' Valorisation strategies for cocoa pod husk and its fractions ' , Current Opinion in Green and Sustainable Chemistry , vol. 14 , pp. 80-88 . https://doi.org/10.1016/j.cogsc.2018.07.007
Current Opinion in Green and Sustainable Chemistry
© 2018 Elsevier B.V. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at: https://doi.org/10.1016/j.cogsc.2018.05.002
DescriptionThe authors would like to acknowledge the Biological Sciences Research Council (BBSRC) and Mars Wrigley Confectionery for their financial support on a collaborative Global Challenges Research Fund (GCRF) project entitled ‘‘Development of novel value chain from cocoa pod husks in Indonesia: Technological, environmental and socio-economic challenges of a value chain” (BB/P022995/1).
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