Titlebook: Basic Protocols in Enology and Winemaking; Maurício Bonatto Machado de Castilhos Book 2023 The Editor(s) (if applicable) and The Author(s)

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angina-pectoris

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https://doi.org/10.1007/978-3-642-33950-9. This chapter covers analytical methods of anthocyanin identification and quantitation using spectrophotometric and high-performance liquid chromatography coupled to a diode array detector in tandem with electrospray ionization mass spectrometry (HPLC-DAD-ESI-MS/MS).

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Valerie Caven,Stefanos Nachmiasnt and used analytical techniques for the non-volatile and/or thermally unstable compounds determination. This method has shown to be valuable and robust for investigating the polyphenols (flavan-3-ols or proanthocyanidins) in grapes, wines, and derivates, in several domains, such as evaluating the

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Total and Volatile Acidity: Traditional and Advanced Methods,beverage. The acidity is represented by different organic acids synthesized directly from the grape or resulted from the alcoholic fermentation process. The acidity assessment at various stages of winemaking is crucial to ensure a final product with high quality. Different procedures ranging from co

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Total and Reducing Sugars: Traditional and Advanced Methods,ure of wines. This chapter consists of the compilation and discussion of classical methods (refractometry, chemical, enzymatic, and liquid chromatography) and those of high analytical complexity such as infrared spectroscopy (FTIR), gas chromatography, and nuclear magnetic resonance (NMR). In additi

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