Composition and antioxidant capacity of the essential oil of leaves of Vitex megapotamica (Sprengel) Moldenke

被引：4

作者：

de Brum, Thiele Faccim ^{[1
]}

Boligon, Aline Augusti ^{[1
]}

Frohlich, Janaina Kieling ^{[1
]}

Schwanz, Thiago Guilherme ^{[2
]}

Zadra, Marina ^{[1
]}

Piana, Mariana ^{[1
]}

Forbrig Froeder, Amanda Luana ^{[1
]}

Athayde, Margareth Linde ^{[1
]}

机构：

[1] Univ Fed Santa Maria, Dept Ind Pharm, Phytochem Res Lab, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Fed Santa Maria, Dept Chem, Ctr Anal & Organ Res NAPO, BR-97105900 Santa Maria, RS, Brazil

来源：

NATURAL PRODUCT RESEARCH | 2013年 / 27卷 / 08期

关键词：

Vitex megapotamica; essential oil; butylated hydroxytoluene; antioxidant capacity; CHEMICAL-COMPOSITION; PLANTS;

D O I：

10.1080/14786419.2012.696258

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This study is designed to examine the chemical composition and antioxidant activity of the essential oil of Vitex megapotamica. Gas chromatographymass spectrometry analysis resulted in the detection of 27 components, representing 92.36% of the total oil composition. The main components in the oil were butylated hydroxytoluene (BHT) (34.17%), phytol (12.66%), -caryophyllene (11.84%), -elemene (10.65%), -caryophyllene (7.82%), -elemene (4.24%) and germacrene D (2.82%). The antioxidant activity of the oil was evaluated in terms of their free-radical scavenging activity against 1,1-diphenyl-2-picrylhydrazyl. The oil showed percentage inhibition of 35.62% and 75.25% at concentrations of 76 and 101.6mgmL(1), respectively. BHT (36.30%) was also determined by HPLC-DAD in the hexane fraction from the leaves. To the best of our knowledge, this is the first study of the composition and antioxidant activity of the essential oil of the species V. megapotamica.

引用

页码：767 / 770

页数：4

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