Utilization of quercetin and quercetin glycosides from onion (Allium cepa L.) solid waste as an antioxidant, urease and xanthine oxidase inhibitors

[Display omitted] •Onion solid waste (OSW) used as cheap and valuable source for production of value-added products.•HPLC revealed significant amount of quercetin and quercetin glycosides in OSW.•OSW extracts inhibited the urease and xanthine oxidase activity in vitro.•OSW showed potent antioxidant...

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Veröffentlicht in:	Food chemistry Jg. 235; S. 119 - 126
Hauptverfasser:	Nile, Shivraj Hariram, Nile, Arti Shivraj, Keum, Young Soo, Sharma, Kavita
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	England Elsevier Ltd 15.11.2017
Schlagworte:	Allium cepa allopurinol antioxidant activity Antioxidants chloroform enzyme inhibition ethanol ethyl acetate Glycosides hexane high performance liquid chromatography HPLC inhibitory concentration 50 methanol Onion onions Onions - chemistry Plant Extracts quercetin Quercetin - analysis Solid Waste solid wastes thiourea Urease Urease - analysis Urease - antagonists & inhibitors Xanthine oxidase Xanthine Oxidase - analysis Xanthine Oxidase - antagonists & inhibitors Onion Urease Antioxidants Quercetin (PubChem CID: 5280343) Solid waste Quercetin 3, 4′-O-diglucoside (PubChem CID: 5320835) Xanthine oxidase Allopurinol (PubChem CID: 2094) Ferric chloride (PubChem CID: 24380) Gallic acid (PubChem CID: 370) Quercetin 4′-O-glucoside (PubChem CID: 54758556) Thiourea (PubChem CID: 2723790) Trichloroacetic acid (PubChem CID: 6421) HPLC Isorhamnetin-3-glucoside (PubChem CID: 5318645) Xanthine (PubChem CID: 1188)
ISSN:	0308-8146, 1873-7072, 1873-7072
Online-Zugang:	Volltext
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