From Waste to Green: Water-Based Extraction of Polyphenols from Onion Peel and Their Adsorption on Biochar from Grapevine Pruning Residues.

Antioxidants (Basel) · 2023 · PMC10525769 · PMID 37760000

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a decreasing trendno p-value reported

The dose of 0.5 g of biochar adsorbed the highest amount of all compounds, with a decreasing trend of adsorption as the amount of biochar increased.

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showed a trendno p-value reported

This compound also showed a trend of decreasing adsorption as the dose of biochar increases.

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