In this paper the effect of whiteness attribute of white substrates on blackness property of black coated fabrics is investigated. To this aim, four cotton fabrics with different whiteness and tint attributes are used as white substrates. To prepare a set of black samples, various concentrations of four color pigments, i.e., red, green, blue and yellow, were mixed with the black one and applied...

Background: Essential Oils (EOs) of spices may serve as a potential source of antibacterial and antioxidant agents due to the presence of a diverse group of phytochemicals. In the present investigation, an attempt has been made to seek EOs from five commonly used spices that have both strong antibacterial and antioxidant potential to shed some light on these important aspects. Methods: In vitr...

the present study aimed at evaluating the effect of aerobic exercise in carbon black particulates air pollution on tlr4 and tnf-α gene expression in male rats. 24 male wistar rats (mean body mass 279.29+26.97 gr) were randomly divided into 4 groups: a) control, b) aerobic exercise, c) pollution, d) exercise+pollution. a particulates injector and falounak chamber were used to expose the rats to ...

This article describes free radical-scavenging activities of extracts of several plants harvested in Sri Lanka through the 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay. These plants have traditionally been used in the indigenous systems of medicine in Sri Lanka, such as Ayurveda, as described below. (English name, "local name in Sri Lanka," (scientific name)). bougainvillea plant, "bouganvilla," ...

Ayurveda, which is the oldest health system in the world, appreciates and uses amla to treat a host of diseases and promote positive health. Amla [Emblica officinalis, or emblic myrobalan], is called amalaki in Sanskrit. It is extensively used as a rejuvenator in ayurveda. It is also used widely in combination with other two [chebulic and belleric] myrobalans [fruit-bearing plant species] as tr...

Tea might be considered as the most popular drink in Iran as well as some other parts of theworld. Its popularity to some extent depends on its flavor and some other constituents present in its leaves orextract. Black tea samples from various agro climatic zones of northeast of Iran were evaluated for the chemicalconstituents, polyphenols and metal analysis that determine the quality perception...

the enhanced dispersion of organophilic layered silicates improves the mechanical properties of polymer/ silicate composites. in this work, a hybrid filler system consisting of cloisite 15a organoclay (oc) and carbon black (cb) was used to improve the properties of the tire tread compounds. the physical and mechanical properties of compounds were assessed by measurement of their cure properties...

ABSTRACT: Tea is one of the most popular beverages in the world and contains several important essential micro nutrients, that are beneficial to human health. The contamination of tea leaves by heavy metals may pose serious problems to human health, because they are not biodegradable and remain in the environment and might enter the food chain. In this study, the concentration of heavy metals; ...

Introduction: In this study, the effects of black tea extract of Iranian tea plant (Camellia sinensis var sinensis) and its polyphenolic pigment thearubigins were investigated on mice intestinal transit time. Method: Thearubigins were isolated by liquid-liquid fraction method. The effects of black tea extract and isolated thearubigins on intestinal propulsion were measured by charcoal propulsio...