TAIBI, Abdeslem; MOKRANI, Abderrahmane; KADI, Ahcene; BOUHEROUR, Razika; GUERMI, Nour El Yakine; TEFFANE, Mohand; ARROUL, Younes; RICHARD, Tristan

doi:10.1002/cbdv.202301675

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TAIBI, Abdeslem

MOKRANI, Abderrahmane

KADI, Ahcene

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Chemistry and Biodiversity. 2024-12

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The extraction of polyphenols from myrtle (Myrtus communis L.) fruits using a conventional solid-liquid extraction was optimized using a single-factor experiment approach. The influence of several parameters such as type of solvent (50% acetone, 50% methanol, 50% ethanol, and water), solvent concentration (30-100%; v/v), solvent acidity (0-0,1 N), temperature (20°C–40°C) and time (30–360 min) on the yield extraction of total phenolic content (TPC), total flavonoid content (TFC), total proanthocyanidin content (TPAC), and on the antioxidant activity: DPPH-radical scavenging activity (DPPH-RSA), ABTS-radical scavenging activity (ABTS-RSA) and ferric reducing power (FRP) was studied. The results showed that 50% acetone, 40°C, and 180 min were the best conditions for extracting TPC (87 mg GAE/g DW), TFC (12 mg QE/g DW), and TPAC (76 mg CE/g DW). Myrtle berries extracted with these conditions also exhibited the strongest antioxidant activity: DPPH-RSA (143 mg TE/g DW), ABTS-RSA (164 mg TE/g DW), and FRP (69 mg AAE/g DW). Pearson correlation coefficients showed good positive correlations between TPC, TFC, and TPAC and antioxidant activities (DPPH-RSA, ABTS-RSA, and FRP), mainly under the effect of solvent type (0.93 < r < 0.99) and solvent concentration (0.91 < r < 0.99). © 2024 Wiley-VHCA AG, Zurich, Switzerland.< Réduire

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Antioxidant Activity

Extraction

Myrtle (Myrtus Communis L.)

Optimization

Phenolic Compounds

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Optimization of Extraction Conditions of Phenolic Compounds and Antioxidant Activity From Myrtle ( Myrtus communis L.) Fruit

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