Results: 1061

Evaluación de la toxicidad subcrónica de la variedad colombiana de Smallanthus sonchifolius (Yacón) en ratas hembra

Acta toxicol. argent; 25 (3), 2017
Smallanthus sonchifolius (Yacón) es una planta usada comúnmente por largos periodos de tiempo con el fin de ayudar en el control de la diabetes y otros desordenes metabólicos, por lo que con el propósito de evaluar la toxicidad subcrónica de la variedad colombiana de esta planta, fueron tratadas 30 ...

Evaluation of the anti-osteoporotic effect of Ginkgo biloba L. in Wistar rats with glucocorticoid-induced-osteoporosis by bone densitometry using dual-energy x-ray absorptiometry (DEXA) and mechanical testing

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT Evaluate the effect of the extract of Ginkgo biloba in the bone alkaline phosphatase, bone mineral density, in the mechanical properties of the tibia in rats with glucocorticoid-induced-osteoporosis. After osteoporosis induction, the rats were divided into five groups: Osteoporosis; EGb1 (28 mg/...

Mentha pulegium crude extracts induce thiol oxidation and potentiate hemolysis when associated to t-butyl hydroperoxide in human's erythrocytes

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT Mentha pulegium (Lamiaceae) tea has been used as a traditional medicine; however, the modulatory effect of M. pulegium extracts on damage to human erythrocytes associated to t-butyl hydroperoxide (t-BHP) exposure remains to be investigated. Accordingly, we perform this study in order to test the...

Antifungal activities of the essential oil and its fractions rich in sesquiterpenes from leaves of Casearia sylvestris Sw

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT Casearia genus (Salicaceae) is found in sub-tropical and tropical regions of the world and comprises about 160-200 species. It is a medicinal plant used in South America, also known as "guaçatonga", "erva-de-tiú", "cafezinho-do-mato". In Brazil, there are about 48 species and 12 are registered...

Evaluation of phenolic compounds and lipid-lowering effect of Morus nigra leaves extract

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT Morus nigra L. (Moraceae) is a tree known as black mulberry and the leaves are used in folk medicine in the treatment of diabetes, high cholesterol and menopause symptoms. The aim of this study was to evaluate the M. nigra leaves phytochemical profile in different extractions and the hypolipidem...

6-Gingerol inhibits hair cycle via induction of MMP2 and MMP9 expression

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT 6-Gingerol is the major active constituent of ginger. In the current study, we aimed to investigate the mechanisms underlying the effects of 6-Gingerol on hair growth. Mice were randomly divided into five groups; after hair depilation (day 0), mice were treated with saline, or different concentr...

Chemical Composition and Antibacterial Activity of the Essential Oil of Vitex agnus-castus L. (Lamiaceae)

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT Abnormal multiplication of oral bacteria causes dental caries and dental plaque. These diseases continue to be major public health concerns worldwide, mainly in developing countries. In this study, the chemical composition and antimicrobial activity of the essential oil of Vitex agnus-castus lea...

Bioethanol production with different dosages of the commercial Acrylamide polymer compared to a Bioextract in clarifying sugarcane juice

An. acad. bras. ciênc; 89 (4), 2017
ABSTRACT One of the most important steps is to clarify the juice, which are added synthetic polymer acrylamide base, aiming the fast settling of impurities present in the juice. However, this input is expensive and may have carcinogenic and neurotoxic actions to humans. The search for new natural floccul...

Protective effect of Allium cepa (onion) seeds (AC) extract on histopathology of testis in STZ-induced male rats

Int. j. morphol; 35 (4), 2017
SUMMARY: The aim of the present study was to evaluate the effect of the extract of Allium cepa (Onion) seeds (AC) on morphometric and histology of testis and biochemical parameters in STZ-induced male rats. Forty adult male Wistar rats (2 month old) were allocated into four groups of control, diabetic co...

Acaricidal activity of ethanolic extracts of Stryphnodendron adstringens and Lafoensia pacari and oil resins from Copaifera sp. and Pterodon emarginatus against Sarcoptes scabiei var. suis

Pesqui. vet. bras; 37 (12), 2017
In vitro bioassay using Sarcoptes scabiei as a test microorganism is a viable method of study for diverse drugs with acaricidal properties. A great amount of assays proves the diverse and efficient biological activity of extracts and compounds from Brazilian savanna plants. This study had as main object,...