Antioxidant and tyrosinase inhibitory activities of a novel chitosan-phloroglucinol conjugate

Antioxidant and tyrosinase inhibitory activities of a novel chitosan-phloroglucinol conjugate

Summary A novel chitosan–phloroglucinol conjugate was developed by conjugating phloroglucinol onto a chitosan backbone. The chitosan–phloroglucinol conjugate was characterised by 1H nuclear magnetic resonance (NMR), and the NMR spectra confirmed the conjugation. Antioxidant and tyrosinase inhibitory...

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Veröffentlicht in:International journal of food science & technology 2013-06, Vol.48 (6), p.1172-1178
Hauptverfasser: Woo, Ji-Young, Je, Jae-Young
Format: Artikel
Sprache:eng
Schlagworte:
Antioxidant
Antioxidants
Biological and medical sciences
chitosan
Enzymes
Food industries
Food preservation
Food science
Functional foods & nutraceuticals
Fundamental and applied biological sciences. Psychology
inhibition
phloroglucinol
tyrosinase
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Zusammenfassung:Summary A novel chitosan–phloroglucinol conjugate was developed by conjugating phloroglucinol onto a chitosan backbone. The chitosan–phloroglucinol conjugate was characterised by 1H nuclear magnetic resonance (NMR), and the NMR spectra confirmed the conjugation. Antioxidant and tyrosinase inhibitory activities of the chitosan–phloroglucinol conjugate were investigated. The chitosan–phloroglucinol conjugate showed strong 2,2‐diphenyl‐1‐picrylhydrazyl (DPPH), hydrogen peroxide and ABTS+ radical scavenging activities as well as reducing power compared with those of the unmodified chitosan (P 
ISSN:0950-5423
1365-2621
DOI:10.1111/ijfs.12071