Results: 1061

The first assessment of the stress inducible defense of Leucaena leucocephala with acaricidal potential effect against Rhipicephalus (Boophilus) microplus (Acari: Ixodidae)

Abstract Plants respond to wounding caused by mechanical stress or herbivory by synthesizing defense proteins. There are no studies reporting the action of induced plant proteins against ticks. The aim of this study was to investigate the effect of mechanically wounded Leucaena leucocephala leaves agains...

Screening of wild fruit trees with gastroprotective activity in different experimental models

Arq. gastroenterol; 54 (2), 2017
ABSTRACT BACKGROUND Given the increase of people with gastrointestinal disorders, the search for alternative treatments with fewer side effects is vital, as well as the demand for food or plants that can help protect the stomach. OBJECTIVE The aim of this study was to evaluate the gastroprotective ac...

In vitro and cellular activities of the selected fruits residues for skin aging treatment

An. acad. bras. ciênc; 89 (1,supl), 2017
ABSTRACT Peel extracts of litchi and rambutan, and that of tamarind seed coat were investigated in relation to their utility in skin-aging treatments. Standardized extracts of tamarind were significantly (p < 0.05) more efficient at O2 •- scavenging (IC50 = 27.44 ± 0.09) than those of litchi an...

Inhibitory effects on the production of inflammatory mediators and reactive oxygen species by Mori folium in lipopolysaccharide-stimulated macrophages and zebrafish

An. acad. bras. ciênc; 89 (1,supl), 2017
ABSTRACT Mori folium, the leaf of Morus alba L. (Moraceae), has been traditionally used for various medicinal purposes from ancient times to the present. In this study, we examined the effects of water extract of Mori folium (WEMF) on the production of inflammatory mediators, such as nitric oxide (NO) an...

Efeito da Astrocaryum aculeatum (Tucumã) na toxicidade da Doxorrubicina: modelo experimental in vivo

Resumo Objetivo Obter o óleo do Astrocaryum aculeatum (A.a) e avaliar a genotoxidade/antigenotoxidade pelo teste do micronúcleo em células do sangue periférico. Métodos O óleo da A.a foi obtido por prensagem hidráulica. Os animais foram camundongos Swiss, machos e saudáveis com 6-7 semanas de...

Effect of aqueous extract of the leaves of Baccharis trimera on the proliferation of hepatocytes after partial hepatectomy in rats

Acta cir. bras; 32 (4), 2017
Abstract Purpose: To evaluate the effect of aqueous extract of Baccharis trimera leaves on the proliferative capacity of the liver after partial hepatectomy (PH) in rats. Methods: Twenty Wistar rats weighing between 300 and 450g were divided into two groups: control (HP) and test (HP100-rats that recei...

In vitro antimicrobial activity of the organic extract of Cladonia substellata Vainio and usnic acid against Staphylococcus spp. obtained from cats and dogs

Pesqui. vet. bras; 37 (4), 2017
ladonia substellata Vainio is a lichen found in different regions of the world, including the Northeast of Brazil. It contains several secondary metabolites with biological activity, including usnic acid, which has exhibited a wide range of biological activities. The aim of this study was to evaluate the...

Potencial uso terapéutico de cannabis

Rev. méd. Chile; 145 (3), 2017
Cannabis sativa (marihuana) is considered an illicit drug due to its psychoactive properties. Recently, the Chilean government opened to the use cannabis in the symptomatic treatment of some patients. The biological effects of cannabis render it useful for the complementary treatment of specific clinical...

Hepatoprotective effects of Tibulus terrestris hydro-alcholic extract on non-alcoholic fatty liver- induced rats

Int. j. morphol; 35 (1), 2017
Non-alcoholic fatty liver induces many complications to the liver tissue and also serum related parameters. Medicinal plants are the safe therapeutic strategy for the treatment of diseases. In this regards, the present study was conducted to evaluate the effect of Tribulus terrestris (T. terrestris) extr...

Phytotherapy in reducing glycemic index and testicular oxidative stress resulting from induced diabetes: a review

Braz. j. biol; 77 (1), 2017
Abstract Oxidative stress plays a main role in the development of diabetes complications. The impairment of gonadal antioxidant potential and endocrine disturbance in diabetic males causes testicular damage and failure in sperm production. Plants have been widely used to control diabetes due their hypogl...