نتایج جستجو برای: amylopectin retrogradation
تعداد نتایج: 1017 فیلتر نتایج به سال:
M embers of the protein tyrosine phosphatase (PTP) family usually catalyze the dephosphorylation of protein substrates. However, some enzymes from a subclass of the PTPs, the dual specificity phosphatases (DSPs), dephosphorylate nonproteinaceous substrates such as lipids and polysaccharides (1–3). In PNAS, Vander Kooi et al. (4) describe the crystal structure of the glucan phosphatase, starch e...
A novel technique for partial separation of amylose and amylopectin using zonal ultracentrifugation is introduced, supported by analytical ultracentrifuge measurements. Starch was first solubilised in 90% DMSO and 5% sucrose and then layered onto a gradient forming solution of 10–30% sucrose in 90% DMSO, with a cushion made up of 36% caesium chloride and 25% sucrose in water. Solutions were the...
UNLABELLED Morphological, viscoelastic, hydration, pasting, and thermal properties of starches separated from 10 different rice cultivars were investigated. Upon gelatinization, the G' values of the rice starch pastes ranged from 37.4 to 2057 Pa at 25 °C, and remarkably, the magnitude depended on the starch varieties. The rheological behavior during gelatinization upon heating brought out diffe...
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