bioassays were conducted to assess the contact toxicity of two plant essential oils against adults of sitophilus granarius (l.) and tribolium confusum jacquelin du val. essential oils were extracted from seeds of carum copticum l. and cuminum cyminum l. contact toxicity was assessed by topical application and adult mortality was counted 1, 2, 6 and 24 h after exposure. bioassays were carried ou...

the production of healthy and high-quality meat and meat products in line with consumers’ demand for natural foods has become a major challenge for the meat production industry. herbal extracts and essential oils have shown potentially significant antimicrobial effects against spoilage and pathogenic microorganisms present in meat products; however, they tend to have a limited use due to the in...

dysmenorrhea is among the most common gynecological complaints. there are several mechanisms which initiate dysmenorrhea. therefore, different compounds can be employed to control its symptoms. nsaids such as ibuprofen are highly used in modern medicine to relieve the pain in short-term therapy. this method is not acceptable for long-term therapy due to side effects. our previous data showed th...

background & aim: achillea filipendulina is one of the most important species of the family asteraceae and, it considered as one of the most valuable medicinal and ornamental plants. environmental factors affected on quality and quantity of the essential oil of medicinal and aromatic plants. so, selecting of appropriate season for harvesting can lead to increase quality and quantity yield. ...

background & aim: secondary metabolites with bioactive and functional properties in essence of aromatic plants can be useful for improvement of quality and persistence of food as natural preservative.  the aim of this study was to evaluate the in vitro antibacterial of essential oils of some of the medicinal plants collected from chaharmahal va bakhtiari province, iran. experimental: the e...

To study the effect of chemical and biological fertilizers on growth and essential oil content of lavender (Lavandula angustifolia Mill.), the present work was conducted in 2012-2013 at the experimental field of Alborz Research Station of the Research Institute of Forests and Rangelands, Karaj, Iran. The experiment was conducted in factorial in the form of a randomized complete block design wit...

Purpose: Suitable ratio of essential fatty acids has an important role in maintaining good health. There is no pure oil with an ideal fatty acid composition and oxidative stability. The main goal of the present study was to evaluate the physical, chemical and nutritional properties of oil obtained by blending flaxseed oil as a rich source of ω3 fatty acids with sesame and olive oils. Methods: T...

flaxseed oil is known as a functional oil because of the high content of α-linolenic acid; therefore, the aim of this research was to investigate some physicochemical properties of iranian extra virgin flaxseed oil (evfo) and the impact of the refining stages before deodorization on these properties. fatty acid composition, peroxide and anisidine values, free fatty acids, crystallization point,...

todays, essential oils from aromatic plants have been qualified as natural antioxidants and proposed as potential substitutes of synthetic antioxidants in food products. in this research chemical compositions and antioxidant activity of artimisia essential oil on oxidative stability of frying oil were analyzed. essential oil was extracted by hydro distillation and its chemical composition was d...