Hybrid near-infrared and chemical-based machine learning enhances the reliability of chili powder origin classification.

Sci Rep · 2026 · PMC13216347 · PMID 41942545

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an increasing trendno p-value reported

For example, during storage of pepper spices, malic acid has been reported to show an increasing trend, whereas citric acid tends to exhibit only minor or sample-dependent changes 28 .

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