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World Journal of Advanced Research and Reviews
Article . 2025 . Peer-reviewed
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ZENODO
Article . 2025
License: CC BY
Data sources: ZENODO
ZENODO
Article . 2025
License: CC BY
Data sources: Datacite
ZENODO
Article . 2025
License: CC BY
Data sources: Datacite
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Performance of evaluators in a descriptive analysis of black pepper (Piper nigrum l) from Ivory Coast

Authors: Dago, Ramzie Kelly; Akmel, Djedjro Clément; Assidjo, Emmanuel; Yoboue, Antoinette;

Performance of evaluators in a descriptive analysis of black pepper (Piper nigrum l) from Ivory Coast

Abstract

The objective of this study was to evaluate the performance of a panel in the sensory characterization of pepper from Ivory Coast through three criteria: discrimination, repeatability and agreement. Twelve trained panelists evaluated fresh, dry and ground pepper samples from seven localities during three sessions on twenty sensory descriptors. The analysis was performed by XLSTAT version 21 using the Friedman test at p<0.05 and principal component analysis (PCA). The Friedman test revealed significant discrimination for all descriptors with the highest scores for Crunchy (631.22); Floury (585.54); Smooth (683.35); Round (554.84); Rough (674.78). Repeatability was satisfactory for the majority of sensory descriptors although deviations (p<0.05) were noted for Hazelnut, Floury, Bitter and Green. The PCA showed a good agreement between judges explaining 63.56% of the total variance. Finally, the highest standard deviations were observed for the samples of ground pepper from Yakassémé (2.68), fresh from Maféré (2.56), Guiberoua (2.51) and Yakassémé (2.48) and dry from Yakassémé (2.40) reflecting sensory heterogeneity. These results validate the reliability of the panel for future analyses on the sensory profile of Ivorian pepper.

Keywords

Sensory Descriptors, Performance, Pepper, Discrimination, Repeatability

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
gold