A stable quinone identified in the reaction of carnosol, a major antioxidant in rosemary, with 2,2-diphenyl-1-picrylhydrazyl radical

Guor Jien Wei; Chi Tang Ho

doi:10.1016/j.foodchem.2005.02.041

A stable quinone identified in the reaction of carnosol, a major antioxidant in rosemary, with 2,2-diphenyl-1-picrylhydrazyl radical

Guor Jien Wei, Chi Tang Ho^*

^*Corresponding author for this work

Institute of Food Safety and Health Risk Assessment

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Carnosol is known as a major antioxidant in rosemary (Rosmarinus officinalis L.). The reaction of carnosol with 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical was carried out and a novel product was identified as a quinine of carnosol, carnosylquinone. A mechanism for the carnosol-DPPH reaction is proposed.

Original language	English
Pages (from-to)	471-476
Number of pages	6
Journal	Food Chemistry
Volume	96
Issue number	3
DOIs	https://doi.org/10.1016/j.foodchem.2005.02.041
State	Published - Jun 2006

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10.1016/j.foodchem.2005.02.041

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title = "A stable quinone identified in the reaction of carnosol, a major antioxidant in rosemary, with 2,2-diphenyl-1-picrylhydrazyl radical",

abstract = "Carnosol is known as a major antioxidant in rosemary (Rosmarinus officinalis L.). The reaction of carnosol with 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical was carried out and a novel product was identified as a quinine of carnosol, carnosylquinone. A mechanism for the carnosol-DPPH reaction is proposed.",

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AB - Carnosol is known as a major antioxidant in rosemary (Rosmarinus officinalis L.). The reaction of carnosol with 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical was carried out and a novel product was identified as a quinine of carnosol, carnosylquinone. A mechanism for the carnosol-DPPH reaction is proposed.

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A stable quinone identified in the reaction of carnosol, a major antioxidant in rosemary, with 2,2-diphenyl-1-picrylhydrazyl radical

Abstract

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