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Cited by 330

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Extraction of antioxidant phenolics from almond hulls ( Prunus amygdalus ) and pine sawdust ( Pinus pinaster )

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Pinelo, M., Rubilar, M., Sineiro, J., Núñez, M.J.·2004·Food Chemistry

Abstract

Abstract Lignocellulosic residues, such as pine sawdust and almond hulls, were solvent-extracted under different experimental conditions to optimize the yield of polyphenolic antioxidant compounds, which were quantified. The antioxidant power of extracts was evaluated by ability to scavenge the 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical. Both materials were found to be important sources of phenolic antioxidants, although the efficiency of the extraction varied with the experimental conditions. Among the three solvents used (ethanol, methanol and water), ethanol was the most favourable for total extractables, although methanol was more selective for extracting polyphenolics. For these latter, pine sawdust offered the best results, with a 3–10 times higher (0.1122 g/100 g in dry basis) total phenolics content than almond hulls but, despite this, phenols from hulls showed a higher antioxidant capacity (58 vs 34% of inhibition).

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Metadata

Authors
Pinelo, M., Rubilar, M., Sineiro, J., & Núñez, M. J.
Venue
Food Chemistry
Publisher
Elsevier BV
Published
2004-04
Volume
85
Issue
2
Pages
267-273
ISSN
0308-8146 (ISSN-L)
OpenAlex
W2082168785
Cited by
330
References
2
FWCI
3.50
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Extraction of antioxidant phenolics from almond hulls ( Prunus amygdalus ) and pine sawdust ( Pinus pinaster ). https://app.cochat.ai/papers/10.1016/j.foodchem.2003.06.020
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Pinelo, M., Rubilar, M., Sineiro, J., & Núñez, M. J. (2004). Extraction of antioxidant phenolics from almond hulls ( Prunus amygdalus ) and pine sawdust ( Pinus pinaster ). Food Chemistry. https://doi.org/10.1016/j.foodchem.2003.06.020

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