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• W3037346851 abstract "Beverages from roasted coffee can be classified according to their sensory quality into Gourmet, Superior, Traditional, and not recommended for supply coffee. However, the sensory evaluation of coffee has been questioned as it can induce a subjective bias, since the assessors may be influenced by psychological, physiological, and/or emotional factors. Therefore, the aim of this study was to develop multivariate models capable of predicting the overall quality of Gourmet, Superior, and Traditional coffees, based on the physical and physicochemical parameters. For that, one hundred and eight ground roasted coffee samples were evaluated for particle size, degree of roasting, histological identification, moisture, ash, aqueous extract, soluble solids (Brix), pH, and sensory profiling. All categories presented fine grinding. No significant differences were observed for the moisture content and soluble solids (Brix) of Gourmet, Superior, Traditional, not recommended for supply coffee samples. The Traditional and not recommended for supply presented higher levels of aqueous extract, ash, and pH. A light degree of roast and higher acidity values were observed with the increase in coffee quality grades. The results of the physical and physicochemical parameters and the Principal Component Analysis allowed the separation of coffees into two classes: high-quality (Gourmet and Superior) and low-quality (Traditional and not recommended), while the one-class classification (OCC) method showed good sensitivity and was able to satisfactorily distinguish the Gourmet coffee samples from the other samples.Key words: Coffee quality; sensory; chemometrics; OCC." @default.
• W3037346851 created "2020-07-02" @default.
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• W3037346851 date "2020-06-26" @default.
• W3037346851 modified "2023-10-01" @default.
• W3037346851 title "Sensory quality prediction of coffee assessed by physicochemical parameters and Multivariate model" @default.
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• W3037346851 doi "https://doi.org/10.25186/cs.v15i.1654" @default.
• W3037346851 hasPublicationYear "2020" @default.
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