Anais da Academia Brasileira de Ciências
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Item Relations between sensory quality and spectral indices in brazilian arabica coffees(Academia Brasileira de Ciências, 2025-03-17) SARMENTO, CARLA SIMONE A.G.; LEMOS, ODAIR L.; BOFFO, ELISANGELA F.; MATSUMOTO, SYLVANA N.; CASTRO, INGRID THALIA P. DE; ALVARENGA, YASMIN A.This article describes an investigation using spectral indices to characterize coffee production of Brazil, regarding beverage quality and possible correlations with the growing environment. The study evaluated 50 arabica coffee samples, 16 of which were natural process, and 34 were pulped coffes. These samples were originated from growing areas located in different altitude ranges and regions of the municipality, with similar planting spacing and predominance of Catuai cultivars. The samples were subjected to sensory analysis, which revealed that 58% of the samples were classified as specialty coffees: 3 natural, and 26 pulped coffes. Multiple correspondence analysis showed that average spectral indices, normalized difference vegetation index (NDVI), enhanced vegetation index (EVI), and photochemical reflectance index (PRI), derived from images of the multispectral instrument (MSI), were not associated with the quality parameters of the coffee beverage. In contrast, the plant senescence reflectance index (PSRI) proved to be the relevant factor in the quality of the drink. In summary, the analysis of the relationship between the indices demonstrated that the NDVI, which measures the vegetative vigor of plants, showed an inverse correlation with the PSRI. Additionally, the principal component analysis suggested that samples collected from drier areas differed significantly from other geographic regions.Item An interdisciplinary approach for evaluating beverage quality in Coffea canephora(Academia Brasileira de Ciências, 2025-05-09) SOUZA, LUCIMARA C. DE; FERRÃO, MARIA AMÉLIA G.; FONSECA, AYMBIRÉ FRANCISCO A. DA; VOLPI, PAULO SÉRGIO; COMERIO, MARCONE; PEREIRA, LUCAS L.; CARVALHO, JOSÉ AUGUSTO M.; SARAIVA, SÉRGIO H.; PINHEIRO, PATRÍCIA F.; SILVA JÚNIOR, ADELSON L. DA; SOARES, TAÍS CRISTINA B.The objective of this study was to assess the quality of Conilon coffee (Coffea canephora) based on agronomic, physicochemical, sensory profiles, and molecular markers. The dataset comprises 107 genotypes from the Incaper breeding program, evaluated in Marilândia, ES, Brazil. A total of 30 traits and 14 SSR markers were examined, revealing significant genetic variability. Most genotypes exhibited a medium June harvest cycle, uniform ripening, medium-sized beans, high processing yield, and a high percentage of flat and peaberry beans. Physicochemical variables, total titratable acidity, and potassium leaching contributed significantly to the observed variability. Chlorogenic acids (4.82%) and caffeine (2.58%) were the most abundant bioactive compounds. In sensory evaluations, 34 genotypes received scores exceeding 80. 13 markers were recommended for future association mapping studies to identify QTLs influencing the traits evaluated. Results identified genotypes with potential to maximize heterosis and genetic diversity in advancing generations. Among the evaluated genotypes, 34 were identified as promising due to their high sensory scores (≥ 80 points) and favorable agronomic, physicochemical, sensory, and genetic traits. The progeny HS17 stood out as the most divergent in agronomic and genetic traits compared to the other genotypes.