In infant formulae the precision instruments
navigation: information, food research-association, diets general, solution, bbw plump , emu, hot fat girls , fat ugly girls , plump and perky turkey , fatty acid analysis , ahrq, accurate, plump rump , titration, food association, plump mom , phytochemicals, fat girls having sex , instruments, microbial identification, health & fitness / diets, time: current, biochemistry, The procedure based on sodium methoxide was found to result in a satisfactory (about 90%) conversion of formula lipids and a reliable content precision of all individual fatty acids. Due to a possibly high amount of free fatty acids in human milk, which are not methylated by sodium-methoxide, caution is expressed about the use of this reagent for fatty acid analysis of mothers milk. It is concluded that accurate fatty acid precision analysis of infant formulae and human milk requires a careful and quantitative derivatization of both polar and nonpolar lipid classes. Sodium precision methoxide seems to be a reliable and time-saving method for routine fatty acid analysis of infant formulae, which should be validated by interlaboratory comparison.
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In infant formulae the low transesterification of instruments triglycerides (up to only 37%) could result in an 100%-overestimation of the relative amount instruments of LCP, if these fatty acids primarily derive from phospholipids. This is the case in infant formulae containing egg lipids as raw materials. In formula containing fish oils and in human milk the efficacy of esterification results in incorrect absolute amounts of instruments fatty acids, but has no remarkable effect on the relative fatty acid distribution. This is due to the fact that in these samples LCP are primarily bound to triglycerides. Furthermore, in formulae based on butterfat the derivatization procedure should be designed in such a way that losses of short-chain fatty acids due to evaporation steps can be avoided.
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