meant by the term "'problem behaviors." Nowhere was the subject population clearly described. The strategy of allowing each parent to pick items from five different behavioral checklists leads irrevocably to a case study approach; that is, 22 "studies," each with an N of 1. Such an approach precludes the possibility of deriving scientific generalizations. Moreover, each of the behavioral rating...

aims: the synthetic colors are preferred by the food industry because of the variety of shades, intensity, uniformity, excellent solubility and stability. they are used in a variety of food products such as dairy products, beverages, baked products, confections and pet foods. food colors may have toxic effects on the human body. this study aimed to examine the amount of synthetic colors in some...

Betalains are a family of natural pigments found exclusively in the plant order Caryophyllales. All members of this chemical family are biosynthesized through the common intermediate betalamic acid, which is capable of spontaneously condensing with various primary and secondary amines to produce betalains. Of particular interest is the red-violet betanin, most commonly obtained from Beta vulgar...

After potato, tomato (Solanum lycopersicum) is the world?s second-largest vegetable crop. More than 80% of consumption comes from processed products such as ketchup, juice, pickled tomatoes, sauces, paste, pur?e. Samples mild ketchup two different manufacturers (A and B) were selected for analysis content natural food colors E160a E160d. Using a UV-Vis spectrophotometric method Lambert-Beer law...