Phenolic, Polysaccharide, and Color Variability in Chilean Commercial Chardonnay Wines: Influence of Closure Type, Geographic Origin, and Vintage.

Foods · 2026 · PMC13205873 · PMID 42195938

Europe PMC DOI

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highly significantno p-value reported

Among hydroxybenzoic compounds, protocatechuic acid showed a highly significant vintage effect, together with a significant valley effect.

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did not reach statistical significanceno p-value reported

Lightness (L*) was influenced by location, whereas b* and chroma (C*) did not reach statistical significance, although some tendencies were observed.

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near-significantno p-value reported

Quercetin-3-glucoside showed significant differences for closure, location, and valley, with a near-significant effect for vintage, while quercetin was significantly affected by vintage.

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