نتایج جستجو برای: 25 non organic acids
تعداد نتایج: 2021805 فیلتر نتایج به سال:
This article summarizes experimental knowledge of the efficacy, modes of action and applications of herbal extracts and organic acids as feed additives for pigs. Herbal extracts comprise a wide variety of herbs, spices and, most importantly, essential oils. Organic acids, characterized as short-chain weak acids, are widely distributed in nature as normal constituents of herbal or animal tissues...
Pancytopenia in childhood can be caused by a variety of underlying diseases including hematological and non-hematological entities. Phenylketonuria (PKU) is an inborn error of phenylalanine metabolism. No association between PKU and pancytopenia has ever been reported. We report the first case of PKU revealed by a pancytopenia at presentation. The patient was an infant girl born to healthy non-...
For some years now, urinary amino acid screening for inborn errors of metabolism has been routine in many institutions. In the early 1960’s, Cox and White (1) as well as Barness et a!. (2) showed the importance of measuring methylmalonate excretion in the urine of patients suffering from pernicious anemia. Since that time, detection of non-nitrogenous organic acids has taken on an importance si...
Objective: To determine how the balance between mineral base, and carbonic and organic acids is altered to cause metabolic acidosis in preterm infants. Study Design: Mineral balance and arterial blood measurements of 3 groups of preterm infants given 5 different Total Parenteral Nutrition (TPN) regimens were analyzed. Mineral base was measured as the difference between mineral cations and anion...
Low molecular weight organic acids are most predominant in apple juice among these components fumaric acid was not exceed more than 5 ppm. It was thought that the HPLC is the best method of the determination of organic acids in the apple juice. In this study, chromatographic separation of organic acids of apple juice was obtained by preparing a sample and by applying them to acid phase for ...
The nonvolatile orgainic acicls uncloubte(dly play a role in fruit ripening as they (1o in many other metabolic processes. As an approach to definiing this role in the banania fruit, informatioin is needled on the nature of these acids and on the chainges which occur dluring ripening. Earlier reports (23) indicate the presence of nmalic, citric, oxalic, an(l tartaric acids in the banana fruit, ...
The applicability of a sequential process of ozonation and ozone/hydrogen peroxide process for the removal of soluble organic compounds from a pre-coagulated municipal sewage was examined. 6-25% of initial T-CODCr was removed at the early stage of ozonation before the ratio of consumed ozone to removed T-CODCr dramatically increased. Until dissolved ozone was detected, 0.3 mgO3/mgTOC0 (Initial ...
preparing a resin to recognize a target molecule,1 since it needs no precise design for preparing host compounds (supramolecules), such as crown ethers, cryptands, and cyclodextrins. Many imprinted resins have been prepared as sensors2 and for separating herbicides3 and enantio-isomer compounds.4 We have successfully prepared imprinted resins by a surface imprinting method for metal-chelation u...
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