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dc.contributor.author
Hinneh, Michael
dc.contributor.author
Semanhyia, Evangeline
dc.contributor.author
Van de Walle, Davy
dc.contributor.author
De Winne, Ann
dc.contributor.author
Tzompa Sosa, Daylan Amelia
dc.contributor.author
Scalone, Gustavo Luis Leonardo
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dc.contributor.author
De Meulenaer, Bruno
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dc.contributor.author
Messens, Kathy
dc.contributor.author
Van Durme, Jim
dc.contributor.author
Afoakwa, Emmanuel Ohene
dc.contributor.author
De Cooman, Luc
dc.contributor.author
Dewettinck, Koen
dc.date.available
2020-01-16T21:41:26Z
dc.date.issued
2018-09
dc.identifier.citation
Hinneh, Michael; Semanhyia, Evangeline; Van de Walle, Davy; De Winne, Ann; Tzompa Sosa, Daylan Amelia; et al.; Assessing the influence of pod storage on sugar and free amino acid profiles and the implications on some Maillard reaction related flavor volatiles in Forastero cocoa beans; Elsevier Science; Food Research International; 111; 9-2018; 607-620
dc.identifier.issn
0963-9969
dc.identifier.uri
http://hdl.handle.net/11336/95021
dc.description.abstract
The practice of pod storage (PS) has been applied in many cocoa producing countries, especially by Ghanaian farmers over the years. However, the study of PS has not received much attention, hence, until now, its potential impact on specific flavor precursor development and implications on the flavor of cocoa beans still remains uncovered. The study was therefore aimed at exploring this possibility through physico-chemical and flavor precursor analyses, carried out on equally fermented and dried pod stored (0, 3 and 7 days) Ghanaian cocoa beans. Flavor analysis was also conducted on equally roasted pod stored cocoa beans. Through visual assessment of the pods, pulp and beans, the compelling impact of PS on fermentation index (FI) and nib acidity could be demonstrated by the various biochemical and physical changes such as respiration, moisture reduction, and cellular degradation, occurring during the process. Whereas the entire reaction of sugar degradation may be deemed complex, a clear relationship between the FI, nib acidity and the glucose content was observed. Also, PS was found to increase with marginal increase in total reducing sugars (glucose and fructose). Although the concentration of free amino acids was directly proportional to the duration of PS, within the framework of this study, a significant difference (p <.05) was only observed in the case of extended duration (7 days). Overall, 7 PS seemed to have enhanced the formation of more volatiles. This was followed by 0 PS and finally 3 PS. Suggestively, these findings could provide some indications in explaining the typical flavor profiles of the Ghanaian cocoa beans, considering the fact that 87.8% of Ghanaian farmers adhere to this practice. Meanwhile, for the chocolate industry, the surging demand for cocoa/chocolate products exhibiting unique flavors, could be partly addressed by adopting PS as a tool for varietizing the flavor capacity of “bulk” cocoa through the expression or suppression of specific flavor precursors in the raw material on the farm level, which comes with almost no additional cost.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AMINO ACIDS
dc.subject
COCOA
dc.subject
FLAVOR PRECURSORS
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FLAVOR/AROMA VOLATILE
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POD STORAGE
dc.subject
REDUCING SUGARS
dc.subject.classification
Otras Ciencias Naturales y Exactas
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dc.subject.classification
Otras Ciencias Naturales y Exactas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Assessing the influence of pod storage on sugar and free amino acid profiles and the implications on some Maillard reaction related flavor volatiles in Forastero cocoa beans
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-11-12T18:52:20Z
dc.journal.volume
111
dc.journal.pagination
607-620
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Hinneh, Michael. University of Ghent; Bélgica
dc.description.fil
Fil: Semanhyia, Evangeline. University of Ghent; Bélgica
dc.description.fil
Fil: Van de Walle, Davy. University of Ghent; Bélgica
dc.description.fil
Fil: De Winne, Ann. Katholikie Universiteit Leuven; Bélgica
dc.description.fil
Fil: Tzompa-Sosa, Daylan Amelia. University of Ghent; Bélgica
dc.description.fil
Fil: Scalone, Gustavo Luis Leonardo. University of Ghent; Bélgica
dc.description.fil
Fil: De Meulenaer, Bruno. University of Ghent; Bélgica
dc.description.fil
Fil: Messens, Kathy. University of Ghent; Bélgica
dc.description.fil
Fil: Van Durme, Jim. Katholikie Universiteit Leuven; Bélgica
dc.description.fil
Fil: Afoakwa, Emmanuel Ohene. University Of Ghana; Ghana
dc.description.fil
Fil: De Cooman, Luc. Katholikie Universiteit Leuven; Bélgica
dc.description.fil
Fil: Dewettinck, Koen. University of Ghent; Bélgica
dc.journal.title
Food Research International
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0963996918304320
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.foodres.2018.05.064
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