期刊
NATURAL PRODUCT RESEARCH
卷 30, 期 8, 页码 982-986出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2015.1079185
关键词
Sepia officinalis; cuttlefish ink sac; sepia melanin; synthetic melanin; gallic acid; Folin-Ciocalteu phenol reagent; redox activity
资金
- European Union [REGPOT-CT2012-316331-POLARIS]
- Khon Kaen University
The redox properties of natural extract from cuttlefish ink sac (Sepia officinalis) and synthetic melanin used as a biomimetic in melanin structural investigation were determined by comparison of this phenol-based heterogeneous pigment with gallic acid used as a standard in Folin-Ciocalteu colorimetric assay widely employed for characterisation of oxidative properties of biomaterials. Reactivity of sepia melanin reported here is much higher than previously indicated and this protocol should allow the redox characterisation of all melanins irrespective of their origin and composition.
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