EVALUATION OF ANTIOXIDANT ACTIVITY OF ESSENTIAL OILS IN EMULSIONS DEGRADED BY ULTRAVIOLET RADIATION

被引：0
|
作者：
Tafurt G, Geovanna [1 ]
Martinez, Jairo R. [1 ]
Stashenko, Elena E. [1 ]
机构：
[1] Univ Ind Santander, Escuela Quim, Lab Cromatog, Ctr Invest Biomol Cibimol,Fac Ciencias, Bucaramanga, Colombia
来源：
REVISTA COLOMBIANA DE QUIMICA | 2005年 / 34卷 / 01期
关键词：
Antioxidants; essentials oils; emulsions; ultraviolet radiation;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, the antioxidant activities of Origanum vulgare L., Rosmarinus officinalis L. and Coriandrum sativum L. essential oils were evaluated in water in oil (W/O) and oil in water (O/W) emulsions subjected to oxidative deterioration caused by exposure to UVA-VIS radiation. O. vulgare L. essential oil exhibited a higher antioxidant protection followed by the C. sativum L. and R. officinalis L. essentials oils in W/O emulsion (margarine). The O. vulgare L. essential oil has an antioxidant activity higher than C. sativum L., R. officinalis and vitamin E at 1, 10 and 20 g/kg. Moreover, in vitro antioxidant activities of the O. vulgare L., and C. sativum L. increased with their concentration in W/O emulsion (margarine). Finally, O. vulgare L. essential oil antioxidant activity was lower in O/W emulsion.
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页码：43 / 55
页数：13
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