نتایج جستجو برای: pullulanase
تعداد نتایج: 277 فیلتر نتایج به سال:
Pullulanase. a debranching enzyme that specifically cleaves a 1.6 linkages in amylopectin and pullulan, differs from a-amylase which hydrolyses the a 1,4 linkages of starch, amylose and amylopectin [ I ] . Pullulanases are inactive against linear a 1,4 linkages and a-amylases do not hydrolyse pullulan. Some novel amylolytic enzymes capable of hydrolysing both starch and pullulan have been disco...
Glycyrrhetic acid (GA)-modified pullulan nanoparticles (GAP NPs) were synthesized as a novel carrier of curcumin (CUR) with a degree of substitution (DS) of GA moieties within the range of 1.2-6.2 groups per hundred glucose units. In the present study, we investigated the physicochemical characteristics, release behavior, in vitro cytotoxicity and cellular uptake of the particles. Self-assemble...
Structure, birefringence and digestibility of spherulites produced from debranched waxy maize starch
The objectives of this study were to debranch waxy maize starch by pullulanase, produce spherulites with different crystalline structures and birefringent properties controlling crystallization conditions determine how their correlated digestibilities. formed in water or 50% ethanol at 4 °C without mixing had a B-type structure. birefringence sign was not uniform for the °C; some displayed nega...
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