The removal of plant pigments such as ?-carotene is an aspect vegetable oil processing often desired by the food and pharmaceutical industries. Adsorption to acid-activated clay (AAC) a well-established method for purification. Despite this, mechanism not well understood. UPLC-MS/MS analysis surface compounds extracted from ?-carotene-AAC (BC-AAC) complexes show that AAC acts oxidiser. Oxidatio...

In present communication a novel series of benzodiazepine derivatives were synthesized from α, β-unsaturated ketones and evaluated for their antimicrobial activities. The α, β-unsaturated ketones were prepared by ClaisenSchimidt Condensation of Indan-1-one with different aldehydes in presence bleaching earth clay and PEG400 as Greener reaction solvent. A novel benzodiazepine derivatives were sy...

Bentonitic material from South Aswan, Egypt was evaluated in terms of mineral-ogy and chemical composition as bleaching clay in refining of transformer oil before and after acid activation and thermal treatment followed by acid leaching using HCl and H2SO4 for different contact times. Structural modification and refining power of bento-nite were investigated during modification by means of X-ra...

Considering the importance of bleaching earth with activated carbon in reduction of impurities in vegetable oils, this study was conducted to investigate the effects of bleaching process on physicochemical properties of the bleached soybean oil. The bleaching process was carried out with bleaching earth (1 % w/w) containing different concentrations of activated carbon (0.1 % up to 0.5 % w/w). T...

The article substantiates the improved technology of two-stage alkaline refining oils obtained from low-grade cotton seeds using caustic soda and sodium silicate. On basis technological scheme, norms modes have been developed. In pilot production conditions Karshiyog-extraction JSC, we tested developed ultrahigh-frequency radiation. makes it possible to significantly reduce color, acid, peroxid...