Results: 102

Atividade antibacteriana de óleos essenciais de café verde e torrado (Coffea arabica), Cacau (Theobroma cacao), casca e folha de canela do ceilão (Cinnamomum zeylanicun)
Antibacterial activity of essential oils from green and roasted coffee (Coffea arabica), Cacau (Theobroma cacao), bark and cinnamon leaf from Ceylon (Cinnamomum zeylanicun)

Hig. aliment; 31 (272/273), 2017
Diversos conservantes naturais têm sido utilizados na inativação de micro-organismos, sem efeitos adversos com relação aos valores nutricionais dos alimentos e da saúde humana. Entretanto, estudos apontam reações adversas aos aditivos sintéticos, tais como reações tóxicas e o possível desenv...

Repellent activity of essential oils extracted from five Artemisia species against Tribolium castaneum (Coleoptera: Tenebrionidae)

Artemisia genus (family Asteraceae) has been widely used as medicines and cosmetic. The chemical compositions of essential oils extracted from five Artemisia species (A. anethoides, A. giraldii, A. roxburghiana, A. rubripes and A. sacrorum) were analyzed and the repellent activities of five essential oil...

Chemical constituents and insecticidal activity of essential oil of Paullinia pinnata L (Sapindaceae)

The chemical constituents and insecticidal activity of essential oil obtained by hydrodistillation of the leaves of Paullinia pinnata Linn (Sapindaceae) are being reported. The essential oil were analysed by using gas chromatography (GC) and gas chromatography coupled with mass spectrometry (GC-MS). Diff...

Essential oil composition, carotenoid profile, antioxidant and antimicrobial activities of the parasitic plant Cuscuta mitraeformis

The chemical composition of the essential oil and carotenoid content of the parasitic plant Cuscuta mitraeformis are described for the first time. The essential oil was analyzed by GC-FID and GC-MS revealing nonanal (24.6%) as the main constituent followed by thymol (16.5%) and eugenol (7.5%). The total ...

Cytotoxic effects of the essential oil from leaves of Casearia sylvestris Sw. (Salicaceae) and its nanoemulsion on A549 tumor cell line

Extracts from leaves of C. sylvestris have cytotoxic effect in different tumor cell lines, possibly due to clerodane type diterpenes (casearins). On the other hand, there are few studies related to the antitumor activity of the essential oils from this species. This work evaluated for the first time the ...

Evaluation of phytotherapy alternatives for controlling Rhipicephalus (Boophilus) microplus in vitro

Abstract The objective of this study was to identify the main chemical components of the essential oil of Cuminum cyminum L. (cumin) and of the fixed oils of Bertholletia excelsa (Brazil nut) and of Helianthus annuus (sunflower seed). As well as testing the three oils and three different commercial synth...

Anesthesia of Epinephelus marginatus with essential oil of Aloysia polystachya: an approach on blood parameters

An. acad. bras. ciênc; 89 (1,supl), 2017
ABSTRACT This study investigated the anesthetic potential of the essential oil (EO) of Aloysia polystachya in juveniles of dusky grouper (Epinephelus marginatus). Fish were exposed to different concentrations of EO of A. polystachya to evaluate time of induction and recovery from anesthesia. In the secon...

Cytotoxic Effect of Thymus caramanicus Jalas on Human Oral Epidermoid Carcinoma KB Cells

Braz. dent. j; 28 (1), 2017
Abstract Identifying new chemotherapeutic agents with fewer side effects is a major concern for scientists today. Thymus caramanicus Jalas (Lamiaceae family) is one of the species of Thymus that grows wild in different regions of Iran. Traditionally, leaves of this plant are used in the treatment of diab...

Cymbopogon citratus essential oil: effect on polymicrobial caries-related biofilm with low cytotoxicity

Abstract The objective of this study was to evaluate the effects of Cymbopogon citratus essential oil and its main compound (citral) against primary dental colonizers and caries-related species. Chemical characterization of the essential oil was performed by gas chromatography/mass spectroscopy (GC/MS), ...

Cytotoxicity and anti-Sporothrix brasiliensis activity of the Origanum majorana Linn. oil

Braz. j. microbiol; 47 (4), 2016
Abstract The study aimed to evaluate the anti-Sporothrix sp. activity of the essential oil of Origanum majorana Linn. (marjoram), its chemical analysis, and its cytotoxic activity. A total of 18 fungal isolates of Sporothrix brasiliensis (n: 17) from humans, dogs and cats, and a standard strain of Sporot...