Thin Layer Chromatographic Identification of Preservatives in Food
نویسندگان
چکیده
منابع مشابه
Thin Layer Chromatographic Separation of Benzodiazepine Derivates
abstract: In this paper we describe the thin layer chromatographic separation of eight of the most frequently used benzodiazepine derivates (alprazolam, bromazepam, chlorazepate potassium, chlordiazepoxide, diazepam, nitrazepam, oxazepam) and their degradation products after acid hydrolysis. Our aim was not only to develop a simple, rapid and efficient method for their separation but also the o...
متن کاملThin-layer and gas--liquid chromatographic identification of neutral steroids in human and rat feces.
Natural steroids from rat and human feces were fractionated by sequential thin-layer chromatography (TLC) on Florisil, silica gel, and silver nitrate-impregnated silica gel and analyzed by gas--liquid chromatography (GLC). Cholesterol, coprostanol, and coprostanone accounted for more than 95% of the endogenous neutral steroid in human feces, the remainder being predominantly cholestanol. In add...
متن کاملModeling of thin-layer chromatographic separation of androstane isomers
Modeling of thin-layer chromatographic separation of androstane isomers to find the optimum mobile phase is described in this paper. The isomers of androstane are present in a variety of samples, so achieving their optimum thin-layer chromatographic separation is very important. A mathematical model was developed and tested. The model takes into account the interaction between solvents and uses...
متن کاملFood Additives and Preservatives
A food additive is any substance added to food primarily for preservation purposes and the consumer demands for a variety of safe and tasty, convenient and colourful foods. Additives and preservatives have been used for a very long time and contributed significantly to product development by the food industry. Despite the advances in the field of product development, some consumers have real co...
متن کاملQuantitative Thin-Layer Chromatographic Method for Determination of Amantadine Hydrochloride
A simple and accurate thin-layer chromatographic (TLC) method for quantitative determination of amantadine hydrochloride (AMD) was developed and validated. The method employed TLC aluminum plates pre-coated with silica gel 60F-254 as a stationary phase. The solvent system used for development consisted of n-hexane-methanol-diethylamine (80: 40: 5, v/v/v). The separated spots were visualized as ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of AOAC INTERNATIONAL
سال: 1972
ISSN: 0004-5756
DOI: 10.1093/jaoac/55.6.1223