Results: 44

The chemical composition and antibacterial activity of a methanolic extract of Satureja khuzistanica

Abstract In the present study, the metabolite profiling of methanolic extract from aerial parts of Satureja khuzistanica Jamzad, as an endemic medicinal plant from Iran, was evaluated using HPLC-PDA-ESI. Then, the main compound from the extract was isolated and purified by using extensive chromatographic...

Phytochemical investigation on Vitex negundo leaves and their anti-inflammatory and analgesic activities

Abstract The phytochemical investigation on Vitex negundo leaves has led to the isolation of one new iridoid glucoside (8α-hydroxy-4-carboxyl-5βH-9βH-iridoid-1α-O-(6′-O-(6,7-dihydrofoliamenthonyl)-β-ᴅ-glucopyranoside, 3), together with three known compounds, namely agnuside (1), 6′-O-E-caffeoy...

Tetradenia riparia leaves, flower buds, and stem essential oils to control of Aedes aegypti larvae

Abstract Tetradenia riparia (Hochst.) Codd (Lamiaceae) is a species native to the African continent and used as an insect repellent. The objective of the study was to evaluate the larvicidal potential of essential oils (EOs) from the leaves, flower buds, and stem of T. riparia, collected in winter agains...

The study of the biological activities of Ziziphora clinopodioides

Abstract The aim of the current study was to determine the chemical constituents of essential oil and to study the antibacterial and antioxidant activities of essential oil and the extracts obtained from the raw material of Ziziphora wild growing in the floras of Armenia and Artsakh cultivated in the hyd...

Using Citronella to Protect Bees (honeybee Apis mellifera L. ) from certain Insecticides and Their Nano Formulations

Braz. j. biol; 81 (4), 2021
Abstract Experiments were performed investigating citronella (Cymbopogon winterianus Jowitt) as a repellent to honeybee Apis mellifera (L.) (Hymenoptera: Apidae) in Egypt, it was conducted in laboratory in the Department of Entomology and Pesticides Science, Faculty of Agriculture, Cairo University, to c...

Toxicity of the essential oil of basil cultivars and hybrids and its repellent effect on stored grain pests

Biosci. j. (Online); 36 (2), 2020
Essential oils have emerged as an alternative to synthetic insecticides in the control of stored grain pests. The toxicity and repellency of the essential oils of four basil cultivars and three basil hybrids and the monoterpenes linalool, citral, and (E)-methyl cinnamate were evalua...

Valor de uso etnomedicinal de la flora del Cerro “La Botica” empleada por la Comunidad Andina de Cachicadán - Perú
Ethnomedicinal use value of the flora of the Hill “La Botica” used by the Andean Community of Cachicadán - Perú

La presente investigación se avocó a determinar el valor de uso etnomedicinal dado a la flora del Cerro “La Botica”, por la Comunidad Andina de Cachicadán, Santiago de Chuco, Perú. Se aplicaron 96 entrevistas semiestructuradas, siguiendo la técnica “bola de nieve”. Se realizaron colectas med...

El conocimiento botánico local en áreas urbanas del norte de Uruguay
Local botanical knowledge in urban areas of northern Uruguay

Este trabajo rescata el acervo etnobotánico de la región más septentrional de Uruguay. En este país la etnobotánica, ha tenido poco desarrollo, siendo escasos los estudios y publicaciones científicas. El área de estudio comprende los departamentos de: Artigas, Rivera, Tacuarembó y Cerro Largo. Po...

Poejo (Cunila galioides Benth. ) Production in Five Agroecological Regions of Rio Grande do Sul

Abstract The objective of this study was to evaluate the biomass and essential oil production of nine populations of poejo (Cunila galioides) cultivated in five agroecological regions of the state of Rio Grande do Sul, under different edaphoclimatic conditions. The experiments were performed in field con...