Sedative effects of the essential oil from the leaves of Lantana camara occurring in the Republic of Benin via inhalation in mice

被引:26
作者
Dougnon, Godfried [1 ]
Ito, Michiho [1 ]
机构
[1] Kyoto Univ, Grad Sch Pharmaceut Sci, Dept Pharmacognosy, Sakyo Ku, 46-29 Yoshida Shimoadachi Cho, Kyoto 6068501, Japan
关键词
Lantana camara essential oil; Vapor inhalation; GC; MS; Sedative effect; Sabinene; 1; 8-Cineole; CHEMICAL-COMPOSITION; ANTIMICROBIAL ACTIVITY; VAPOR INHALATION; L; 1,8-CINEOLE; CONSTITUENT; TOXICITY; CAMEROON; FLOWERS;
D O I
10.1007/s11418-019-01358-9
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Lantana camara Linn. (Verbenaceae) is used traditionally for its numerous medicinal properties such as antimalarial, antibacterial, anticancer and anti-inflammatory. In the present study, we investigated the chemical composition of essential oil from the leaves of L. camara (LCEO) occurring in the Republic of Benin (West Africa) in comparison with LCEOs from other regions; evaluated its sedative effects in mice via inhalation administration; and identified the compounds responsible for activity. LCEO was extracted by hydrodistillation and chemical analyses of the oil were performed by GC and GC/MS. The oil was dominated by monoterpene hydrocarbons (60.58%) and oxygenated monoterpenes (33.39%), among which sabinene (38.81%) and 1,8-cineole (28.90%) were the most abundant. LCEO administered via inhalation to mice significantly decreased locomotor activity in a dose-dependent manner, mainly at the doses of 0.0004 and 0.04 mg per 400 mu L of triethyl citrate (TEC). The oil was fractionated to give two fractions, which were further investigated, and revealed that both sabinene and 1,8-cineole were the principal active compounds. The results of the present study indicated that via inhalation administration, LCEO and its main constituents could be considered as promising candidates for the management of dementia, insomnia, attention deficit hyperactivity disorder and other central nervous system-associated diseases. Graphic abstract
引用
收藏
页码:159 / 169
页数:11
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