This paper reports on the difficulties encountered when developing an analytical method for ultra-trace determination, in a complex matrix, of plastic additive residues which are ubiquitous laboratory. The simultaneous qualitative and quantitative determination antioxidant (2,6-di-tert-butyl-4-methyl-phenol, BHT), UV stabilizer (benzophenone, BP), plasticizer (diisobutyl phthalate, DiBP), relea...

Green coffee is one of health-promoting supplements of the diet, applied in the form of either preparations or enriched food products. Its positive impact is manifested by mitigation of the development of certain tumors, e.g., in the colon and liver, and type 2 diabetes. Many studies proved that chlorogenic acids are the main active substances in green coffee. The bioavailability of these compo...

the present research with an emphasis on coffee houses at qajar age has recognized motives and effect of social and political factors such as conditional event in formation of art traditions in coffee house so as to examine the communication function of coffee house painting at this space. coffee house at qajar age has been found as a place for people’s gathering which had communicative-cultura...

milk-based espresso coffee is one of the most popular beverages. foam is an essential quality characteristic for this beverage. foam formation and stability is mainly related to the milk composition. in this study the influence of three different concentrations of xanthan gum (0.05, 0.1 and 0.2 g dm-3) and three different temperatures (50, 60 and 70 °c) on foam stability were examined and exper...