We have studied the acute and subchronic oral toxicities of Calendula officinalis extract in male and female Wistar rats. A single acute C. officinalis extract dose of 2000 mg/kg dissolved in distilled water was administered by oral gavage for acute toxicity. Subchronic doses of 50, 250 and 1000 mg/kg/day were administered in drinking water. The major toxicological endpoints examined included a...

La búsqueda de productos naturales, con determinadas funciones como aditivos alimentarios, son gran interés investigativo por su proyección industrial. Por esta razón, el presente documento muestra los resultados un estudio exploratorio sobre la actividad antibacteriana extracto hidroalcohólico Calendula officinalis L., cual se caracterizó mediante análisis fitoquímico, espectroscopía Infrarroj...

From the old times phytotherapy help in ameliorating and treating of some ailments, this had highlith medicinal aromatic plants species to beeing cultivated more areas. In Romania, than 300 plant are known, purpose research from RDSPCS Dabuleni being promotion on sandy soils. So, folllowin with therapeutic value was studied: Salvia officinalis, Lavandula angustifolia, Calendula Hyssopus officin...

PURPOSE In eye care field, contact lenses (CL) have a great impact on improving vision, but their use can be limited by ocular infection. CL- associated infections can be reduced by good attention to CL storage case practice. CL-care solutions should be able to control microbial growth on CL. The aim of the study was to evaluate and compare the efficacy of CL-care solutions (found in Egyptian m...

Chemical mutagenesis is an efficient tool used in mutation-breeding programs to improve the vital characters of the floricultural crops. This study aimed to estimate the effects of different concentrations of two chemical mutagens; sodium azide (SA) and diethyl sulfate (DES). The vegetative growth and flowering characteristics in two generations (M1 and M2) of calendula plants were investigated...