Solvent effects on the molecular properties of pectins.

摘要: Measurements revealed that LiAc/HAc buffer, when compared with other solvents, gave relatively low values of turbidity for five commercial pectins various apparent molar masses and degrees methyl esterification (DE). Therefore, HPSEC on-line light scattering viscosity detection was employed to compare buffer against NaNO3 solution, a commonly used mobile phase measuring the molecular properties these an additional pectin prepared by microwave extraction. Microwave-extracted included in study its higher mass DE pectins. Most samples were more soluble had dissolved than whereas microwave-extracted about same mass. Furthermore, association fragments contained dissociated NaNO3. For studied, weight-average molar...