background & aim: the world production and consumption of essential oils and perfumes are increasing very fast. lippia citriodora h.b.k. is an herbal species mainly used as a spice and medicinal plant. endogenous levels as well exogenous application of plant growth regulators (pgr) could affect essential oil production and chemical compositions. experimental: to study the effect of exogenou...

ferula asafoetida contains coumarins and sesquiterpens compounds that have been traditionally used to treat diseases such as nervous disorders, asthma, gastrointestinal disease and epilepsy. sulfur-containing compounds of asafoetida act as antioxidants. this study aimed to investigate the effect of four levels of water-alcoholic extract of asafoetida on reproductive performance of male wistar r...

background & aim: ziziphora l. genus belongs to the lamiaceae family, which has important medicinal and aromatic plant species. in current study, essential oil chemical compositions of two ziziphora l. species (z. tenuior l. and z. clinopodioides lam.) were investigated. experimental: the flowering branches of z. tenuior and z. clinopodioides were collected in spring and summer 2011. the ae...

the present study was carried out to determine the potential antibacterial effect of essential oil of origanumvulgare against antibiotic resistant e.coli. in this study, the essential oil of origanumvulgare obtained by hydrodistillation was analyzed by gas chromatography coupled to mass spectrometry (gc-ms) in order to determine their chemical composition. the minimum inhibitory concentrations ...

objective: control of weight gain is an important strategy in reducing the diabetes incidence. recently, herbal drugs have been used as a complementary and alternative medicinal care. this study was conducted to determine the effect of ferula asafoetida on weight gain, fat accumulation, liver steatosis and leptin level. materials and methods: all rats of control and treatment groups received da...

abstract in order to evaluate the effects of different organic and biological fertilizers on quantity and quality of essential oil of fennel an experiment was conducted in a completely randomized block design with three replications. the experimental treatments were two organic (compost and vermicompost) and two biological (pseudomonas putida and azotobacter chroococcum ) fertilizers, their all...

since the use of antibiotics in animal feeds has been banned, researches on alternative natural products that modulate ruminal fermentation have been intensified. natural compounds such as plant extracts have been considered to be replaced antibiotics as safe and sustainable alternatives. plant extracts especially essential oils and saponins have strong antimicrobial, antiparasitic, antiprotozo...

this experiment was conducted to determine the effects of dietary myrtle essential oil on small intestinal morphology and microbiology of broiler chickens. two hundred day-old broiler chickens (ross 308) were allocated to 5 treatments, 4 replications with a completely randomized design. the diets were supplemented with: no myrtle essential oil (control), each of myrtle essential oil at levels o...

background & aim: smirnova iranica sabeti is one of the valuable and adapted shrub species native to the sandy fields of central iran and of fabaceae family that in terms of the production of forage and soil conservation and creating a beautiful landscape and medicinal value is critically important. no study has been conducted on this plant essence in iran, so far.  experimental: in the hab...

introduction & aim: plant growth regulators (pgr) have same effect as natural plant's hormones and can change the main components in plant samples. chaerophyllum aureum l. is related to apiaceae family. experimental: in this paper the qualitative and quantitative composition of the volatile oils of ‎chaerophyllum aureum l. were reported after using different concentrations of iaa and naa ‎...