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- W4310015393 abstract "High-quality Brazilian Canephora coffees are rising to the level of specialty coffees in the face of a new industry perception. In this framework, spectra from 527 coffees were analyzed in the near-infrared (NIR) region. Principal component analysis distinguished Brazilian Canephora producing states, botanical varieties, low and high-quality Canephora, Canephora and Arabica, and Canephora with geographical indication (GI) from those without GI. Also, Canephora coffee cultivars from Western Brazilian Amazon were distinguished. Three multi-class PLS-DA (traditional, hard, and soft versions) were compared to discriminate 5 classes: Robusta Amazônico from traditional (1) and indigenous (2) producers of Rondônia, Conilon from Espírito Santo (3), Conilon from Bahia (4), and specialty Arabica (5). Binary PLS-DA discriminated GI Canephora and non-GI Canephora with 100% sensitivity and specificity. Carbohydrates, chlorogenic acids, lipids, caffeine, and proteins were dominant absorption bands in coffee classifications. The proposed method is objective, simple, fast, and could be used in the routine analysis of coffee to verify claims of identity, variety, and origin." @default.
- W4310015393 created "2022-11-30" @default.
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- W4310015393 date "2023-03-01" @default.
- W4310015393 modified "2023-10-15" @default.
- W4310015393 title "Brazilian Canephora coffee evaluation using NIR spectroscopy and discriminant chemometric techniques" @default.
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- W4310015393 doi "https://doi.org/10.1016/j.jfca.2022.105065" @default.
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