uronic acid pectin

Chem.

Tech., 2015, 50, 1324-1330.Guo X., Meng H., Zhu S., Tang Q., Pan R., Yu S., Stepwise ethanolic precipitation of sugar beet pectin from the acidic extract.

(A) Change in acidic product concentrations in the growth medium after 24-h fermentation of 0.5% apple pectin by monocultures and cocultures of isolated pectin-utilizing bacteria. Sci. The National Forage Testing Association, Omaha, 1993.Sluiter A., Hames B., Ruiz R., Scarlata C., Sluiter J., Templeton D., Determination of Ash in Biomass.

A pectin was extracted from the peel of Citrus tankan with a yield of 2.75%.

Volume 2 (2013) J. Appl.

A detailed description of the separation of HMP hydrothermolysis products is published elsewhere [The gaseous products generated during HMP hydrothermal treatment were not collected, but the gas fractions (Experimental conditions of high methyl ester citrus-apple pectin hydrothermolysis.Uronic acids were isolated from the WS fractions using the ion exchange method. Agric. J. Supercrit.

Uronic acids, particularly D-galacturonic and D-glucuronic acid, are highly valuable chemicals used in the pharmaceutical, cosmetic and food industries as, among other applications, antioxidants, detoxifying and inactivating agents of various substances in the human body [Uronic acids are considered to have enormous potential as platform chemicals that enable their future use in medicine and pharmacy as well as in polymeric materials technology [In recent years, there have been substantial efforts focused on the development of hydrothermal processes, a thermochemical approach involving hydrolysis under subcritical conditions of components contained in waste biomass into useful products [Subcritical water is an environmentally harmless reaction medium (a reactant, a catalyst, and a solvent) whose properties are significantly different from those of water in normal conditions [Another property of water, which changes with temperature and pressure, it is dielectric constant, which decreases as the temperature of water rises [The effectiveness of the processes in subcritical water is ensured without the use of any additional substances and the preliminary, often energy-intensive, preparation (e.g., drying, grinding, briquetting) of the raw material for conversion.

Chardonnay grape pomace was evaluated as a source of pectin by acid extraction.Conditions for highest yield and uronic acid: pH 2, liquid:solid 35 ml/g, 135 min.The polysaccharide obtained was purified by enzymatic treatment and characterized.The pectic fraction had 56% HG, 35% RG-I, DM = 18.1% and MChardonnay grape pomace was evaluated as a source of pectin.

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Rev., 2018, 81, 1742-1770.Cansell F., Rey S., Beslin P., Thermodynamic aspects of supercritical fluids processing: application to polymers and wastes treatment. J., 2017, 14, 611-626.Kruse A., Dinjus E., Hot compressed water as reaction medium and reactant.