Modelo matemático para determinar la correlación entre parámetros fisicoquímicos y la calidad sensorial del café Geisha y Pacamara de Panamá.
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Date
2021Author
Vega, Aracelly
De León, Javier A.
Reyes, Stephanie M.
Gallardo, José M.
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The main objective of this research study was to develop a mathematical model to predict the score that
indicates coffee’s sensory quality. To develop the model, the study examined 11 physicochemical
parameters, 34 coffee samples, and the judging scores from a 12 cupping judge panel. A multiple regression
analysis was performed to determine the relationship between physicochemical parameters and sensory
quality to obtain the square of the adjusted correlation coefficient, the coefficients for each parameter within
the model, and their p-values. The results show that the parameters 4-caffeoylquinic acid (4-CQA), pH,
color, density, and acidity, have a negative influence on sensory quality. The parameters 3-caffeoylquinic
acid (3-CQA), acid 5-caffeoilquinic (5-CQA), humidity, Brix, and caffeine have a positive influence on sensory
quality. In addition, the parameters 3-CQA, 4-CQA, and pH showed the lowest p values. It is concluded that
the model developed here allows estimating the proper range required to score a coffee batch.