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Elephant Grass biomass valorization by extraction of pure lignin displaying antioxidative properties
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DOI:10.1016/j.procbio.2026.06.002.png)
Abstract
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• Lignin extracted from AHP-pretreated elephant grass with 62.5% yield and 88% purity • Extracted lignin is amorphous in nature and is rich in guaiacyl-syringyl units • Extracted lignin showed strong antioxidant activity (RSI = 5; EC₅₀ = 0.2 mg/mL) • MS analysis revealed oligomers, including guaiacyl dimers with β–O–4 and α→5 linkages
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