We evaluated the ability of the natural, plant-derived acaricides nootkatone and carvacrol to suppress Ixodes scapularis Say and Amblyomma americanum (L.) (Acari: Ixodidae). Aqueous formulations of 1 and 5% nootkatone applied by backpack sprayer to the forest litter layer completely suppressed I. scapularis nymphs through 2 d. Thereafter, the level of reduction gradually declined to < or =50% a...

AIM To analyze the efficacy of three different concentrations of Ocimum sanctum extract against various microorganisms, Streptococcus mutans, Streptococcus mitis, Streptococcus sanguis, Lactobacillus acidophilus. MATERIALS AND METHODS Ethanolic extract of Ocimum sanctum was prepared by the hot extraction method. The extract was diluted with an inert solvent, dimethyl sulfoxide to obtain 3 dif...

This work was undertaken to explore antityrosinase and antioxidant activities of twenty essential oils of edible Thai plants. Antityrosinase activity against mushroom tyrosinase was examined by means of the dopachrome method using L-dopa as an enzymatic substrate. The essential oil of Cymbopogon citratus had the highest level of antityrosinase activity, followed by that of Ocimum canum with enz...

background &amp; aim: ocimum basilicum l. is belong to the lamiaceae family which is cultivated as a culinary, industrial and medicinal plants in some countries from thousands years ago. the seed of this plant is rich in poly un-saturated fatty acids (pufa) and produced a large amount of mucilage. experimental: the oil of seed was extracted separately and converted to fatty acids methyl esters...

Background Crinum americanum L. popularly known as lily is an ornamental plant that belongs to the family Amaryllidaceae alkaloids presenting with anti-inflammatory, antimicrobial and inhibition acetilcolinisterase. The species Boerhavia paniculata Rich is a plant from the family Nyctaginaceae popularly known as “Pega Pinto” that produces isoflavones that have action antiinflmatórias urinary tr...