Characterization of a novel antioxidant peptide from feather keratin hydrolysates

•Feather keratin hydrolysates were produced with Chryseobacterium sp. kr6.•Peptides with antioxidant activity were partially purified.•Antioxidant properties were characterized by different methodologies.•Peptides were identified by mass spectrometry analysis and chemically synthesized.•The antioxid...

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Veröffentlicht in:	New biotechnology 2019-03, Vol.49, p.71-76
Hauptverfasser:	Fontoura, Roberta, Daroit, Daniel J., Corrêa, Ana Paula F., Moresco, Karla S., Santi, Lucélia, Beys-da-Silva, Walter O., Yates, John R., Moreira, José Cláudio F., Brandelli, Adriano
Format:	Artikel
Sprache:	eng
Schlagworte:	Antioxidant activity Antioxidants Bioactive peptides Chelation Chryseobacterium Cultivation Electron transfer Feather bioconversion Feathers Ferric ions Free radicals Gel-filtration chromatography Hydrogen atoms Hydrolysates Hydroxyl radicals Iron Keratin Lipid peroxidation Lipids Mass spectrometry Mass spectroscopy Organic chemistry Peptides Peroxidation Protein hydrolysate Scavenging Sulfonic acid
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