Abstract Title:

Antioxidant, Antibacterial, and Antiproliferative Activities of Free and Bound Phenolics from Peel and Flesh of Fuji Apple.

Abstract Source:

J Food Sci. 2016 Jun 6. Epub 2016 Jun 6. PMID: 27272442

Abstract Author(s):

Jincan Luo, Pei Zhang, Siqian Li, Nagendra P Shah

Article Affiliation:

Jincan Luo


This study was conducted to investigate the antioxidant, antibacterial, and antiproliferative activities of flesh free (FF), flesh bound (FB), peel free (PF), and peel bound (PB) phenolics from Fuji apple. The PB, which had highest total phenolic contents (126.15± 2.41 mg/100 g wet weight) and lowest total carbohydrate contents (34.68 ± 2.78 mg/100 g wet weight), showed the strongest 2,2'-azinobis-(3-ethylbenthiazoline-6-sulphonate) (ABTS) radical scavenging activity (EC50 = 0.36 ± 0.02 mg/mL), 1,1-diphenyl-2-picryhydrazyl (DPPH) radical scavenging activity (EC50 = 0.26 ± 0.01 mg/mL), and ferric reducing antioxidant power (Ferric reducing antioxidant power; EC50 = 0.19 ± 0.02 mg/mL) compared with those of FF, FB, and PF. The PB also showed the strongest antibacterial activities on Escherichia coli, Staphylococcus aureus, and Listeria monocytogenes and it also showed the highest antiproliferative effects on Caco-2 human colonic cancer cell (EC50 = 1.44 ± 0.01 mg/mL) and Hela human cervical cell (EC50 = 2.81 ± 0.01 mg/mL). Both free and bound phenolics from Fuji apple showed good antioxidant, antibacterial, and antiproliferative activitiesin our study, and bound phenolics had significantly higher activities compared with those of free phenolics.

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