Principal components of phenolics to characterize red Vinho Verde grapes: Anthocyanins or non-coloured compounds?
Keywords: تحلیل مولفههای اصلی; PCA, principal component analysis; SLDA, stepwise linear discriminant analysis; SPE, solid-phase extraction; MeOH, methanol; HCl, hydrochloric acid; NaOH, sodium hydroxide; C18, octadecylsilane; HPLC, high-performance liquid chromatography; DAD, diode arr