The interaction of chromium oxide with Alz03, TiOz and SiO? supports is investigated with Raman spectroscopy. The influence of the nature of the oxide support, calcination temperature and chromium oxide loading upon the molecular state of the supported chromium oxide is determined. The Raman studies reveal that the oxide supports stabilize the chromium oxide as Cr(V1) in tetrahedral coordinatio...

Basic chromium sulphate is the most versatile and common tanning agent in the leather industry. Under certain circumstances, the oxidation of the trivalent chromium salts into the hexavalent compounds, which are used in leather manufacture, is a crucial issue. In this study, different proportions of basic chromium sulphate were used in tanning and re-tanning processes according to a commonly us...

Description Creatine is a naturally occurring amin (~1 g/day-1 [~0.04 oz.]) occurs in the glycine, arginine, and methionine. Cr daily requirement of ~2 to 3 g [~0.1 o Approximately 3 to 5 g [~0.1 to 0.2 o uncooked meat or fish. Dietary creat enters the bloodstream. Most (95 pe muscle. Sixty to seventy percent of s phosphocreatine (PCr), which is effe the anaerobic production of adenosin g [~4 o...

We previously showed that carcinogenic nickel, arsenic, and chromium(VI) compounds induced anchorage independence (AI) in diploid human fibroblastic cells (HFC) derived from foreskins (K. A. Biedermann and J. R. Landolph, Cancer Res., 47: 3815-3823, 1987). To elucidate the role of the valence state of chromium and solubility of chromium compounds in inducing AI, we studied the ability of solubl...

Abstract The amino acid l -methionine is an essential and commonly used as a feed supplement in terrestrial animals. It less suitable for marine organisms because it readily excreted. also highly water soluble this results loss of the eutrophication water. To address these problems, dipeptide dl -methionyl- (trade name: AQUAVI Met-Met) has been developed dedicated methionine source aquaculture....

The objective of this research was to determine the effect different starters consisted dried whey and soy proteins with low anti-nutritive factors (ANFs) + amino acids (lysine methionine) on body measurements, biochemical parameters, feed consumption early-weaned female Holstein calves. Based starter, calves were divided into four groups: i) control (control starter), ii) E1 (starter added dry...

Chromium supplements are thought to be the second most commonly taken nutritional supplement, used by an estimated 10 million Americans (1). Chromium is an essential element in humans, and deficiency is associated with the development of diabetes, which was first noted in patients receiving long-term parenteral nutrition before the advent of routine chromium supplementation (2,3). In these pati...

To investigate the effect of dietary chromium (Cr) as Cr methionine (CrMet) on growth performance, carcass traits, pork quality, meat colour and expression of meat colour-related genes in growing-finishing pigs, 189 crossbred Duroc×(Landrace×Yorkshire) growing-finishing pigs (male, castrated, average initial BW 74.58±1.52 kg) were selected and randomly allocated into four groups. Dietary treatm...

Chromium is a naturally occurring, toxic heavy metal used in many industrial processes. The U.S. Department of Labor's Occupational Safety and Health Administration has established specific limits for occupational exposure levels of chromium and guidelines for medical surveillance of individuals who have been exposed to chromium. The author presents a case in which a 54-year-old man who had bee...