Mixtures of sorbitol fatty acid esters useful as low calorie fat substitutes are prepared through a direct esterification process. The process entails the direct esterification of sorbitol with free fatty acids, optionally in the presence of an esterification catalyst. The resulting sorbitol esters have an average degree of hydroxyl substitution ranging from about 3 to about 5.5.
Feb 15, 2012· The in vitro deuteroacetylation of histones obtained from biological sources has been used previously in bottom-up mass spectrometry analyses to quantitate the percent of endogenous acetylation of specific lysine sites and/or peptides. In this report, derivatization of unmodified lysine residues on histones is used in combination with high performance mass spectrometry, including …
Solvent-Free Polymerization of Citric Acid and D-Sorbitol KENNETH M. DOLL,1 RANDAL L. SHOGREN,2 J. L. WILLETT,2 GRAHAM SWIFT3 1Food and Industrial Oil Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, United States Department of Agriculture, 1815 North University Street, Peoria, Illinois 61604
The Food and Drug Administration (FDA) is amending the food additive regulations to provide for the safe use of sorbitol anhydride esters, an emulsifier blend of sorbitan monostearate, polyoxyethylene (20) sorbitan monostearate (polysorbate 60) and polyoxyethylene (20) sorbitan monolaurate (polysorbate 20) as an anticorrosive agent in boilers where steam may contact food.
are using combinations of sugar, sorbitol, starch, and anhydrides to get a novel polymer. The following chemical reactions are possible, 1. Sugar will be hydrolyzing to glucose and fructose. 2. Esterification reaction of OH group coming from sugar and sorbitol with acid group of phthalic anhydride, oxalic acid and maleic anhydride. 3.
Dec 19, 2006· What is claimed is: 1. A process for preparing a mixture of sorbitol fatty acid esters and sorbitol anhydride fatty acid esters comprising the step of: reacting a reaction mixture which is essentially free from water, comprising sorbitol and at least one free fatty acid, wherein the molar ratio of free fatty acid to sorbitol is at least 7:1, at a temperature and for a time sufficient to effect .
INTRODUCTION. Malaria remains a significant infectious disease, resulting in hundreds of millions of clinical cases and an estimated 0.8 million to 1.2 million deaths annually ().The lack of a licensed malaria vaccine and the increasing incidence of parasite resistance to current drugs (2, 3) exacerbate the global burden of malaria and hinder efforts to eliminate this disease.