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Improvement of Potato Starch by Conjugating with ε-Poly(L-Lysine) through the Maillard Reaction
starch functional change ε-poly(L-lysine) conjugate antibacterial activity
2008/4/20
Slightly acid-treated potato starch (ATS) granules were conjugated with ε-poly(L-lysine) (PL) by using the Maillard reaction. Coomassie Brilliant Blue staining indicated the conjugation of PL to ATS. ...
Identification and Manipulation of Subsite Structure and Starch Granule Binding Site in Plant α-Amylase
α-amylase subsite starch granule
2008/4/20
In germinating plant seeds, α-amylases degrade starch accumulated in seeds, and that requires two functions: catalysis itself and starch granule binding ability. All plant α-amylases belong to the α-a...
Current Understanding on Starch Granule Structures
starch granule structure amylose amylopectin
2008/4/20
Starch is synthesized in semi-crystalline granular structures. Starches of different botanical origins possess different granular sizes, morphology, polymorphism and enzyme digestibility. These charac...
Determination and Analysis of the Starch Binding Domain of Streptococcus bovis 148 Raw-Starch-Hydrolyzing α-Amylase
Streptococcus bovis α-amylase linker starch binding domain CBM26
2008/4/20
We analyzed the functional structure of Streptococcus bovis 148 α-amylase (AmyA) to determine the starch binding domain (SBD) of this enzyme. Several derivative AmyAs and putative SBD segments were co...
Occurrence of Multiple Forms for Starch Synthase II Isozyme in Developing Seeds of Kidney Bean
diversity kidney bean starch biosynthesis starch synthase
2008/4/20
Starch synthases contribute to the elongation of glucan chains during starch synthesis, and therefore their characteristics are one of the dominant factors influencing the fine structure of starch. To...
Physical Modification of Waxy Maize Starch by Dry Heating with Ionic Gums
starch dry heating gums modification
2008/4/20
As an alternative process to the chemical modifications commonly practiced for food starches, dry heating of a starch with a presence of ionic gums such as sodium alginate, sodium carboxymethylcellulo...
Physico-chemical Properties and Digestibility of Pulse Starch after Four Different Treatments
Adzuki bean kidney bean starch resistant starch dietary fiber
2008/4/20
In these studies, we found that the average starch particle size of Adzuki beans, and tebou var. and kintoki var. kidney beans was approximately 30-40 μm. In addition, these particles were globular wi...
Plant α-Glucosidase: Molecular Analysis of Rice α-Glucosidase and Degradation Mechanism of Starch Granules in Germination Stage
α-glucosidase starch granules starch granule-binding sit
2008/4/20
In germination of plant seeds, storage starch is principally degraded by the combination of amylolytic enzymes. As starch is an insoluble granule, a conventional view of the degradation pathway is tha...
Effect of Multi-Treatment of Freeze-Thaw or Low Temperature on Wheat Starch Gel
furunori wheat starch gel freeze-thaw treatment
2008/4/20
We investigated the effect of multiple treatments (10, 20 and 30 times, one cycle of treatment: 24 h) of freeze-thaw (-30°C) or low temperature (4°C) on wheat starch gel for elucidation of the formati...
Effects of Sodium Dodecyl Sulfate on the Pasting Properties of Waxy Corn Starch Dispersed in Amylose Solution as Measured with the Rapid Visco-Analyzer
amylose waxy corn strach Rapid Visco-Analyzer sodium dodecyl sulfate
2008/4/20
Effects of sodium dodecyl sulfate (SDS) on the pasting properties of waxy corn starch (WCS) dispersed in amylose solution were studied by using a Rapid Visco-Analyzer. At an amylose/WCS ratio of 20/80...
New Preparation Method and Its Physico-chemical Properties of Foxtail Millet (Setaria italica Beauv.) Starch
foxtail millet starch differential scanning calorimeter gelatinization retrogradation gel properties
2008/4/20
Two isolation methods, the Matsunaga et al. method and the improved Matsunaga method, were compared for the purpose of isolating high quality foxtail millet starch in a short period of time. Using the...
Starch-ε-poly(L-lysine)-fatty Acylated Saccharide and ε-Poly(L-lysine)-fatty Acylated Saccharide Conjugates Exhibit Emulsifying Ability, Antibacterial Activity and Controlling Ability of Thermal Behavior of Potato Starch
control of starch thermal behavior ε-poly(L-lysine) fatty acylated saccharide emulsifying ability antibacterial activity
2008/4/20
Acid-treated potato starch (ATS), ε-poly(L-lysine) (PL) and glucose/fructose stearic acid monoester (GE/FE) were conjugated by the Maillard reaction to prepare ATS-PL-GE/FE and PL-GE/FE conjugates hav...
Starch granules are synthesized in a semicrystalline structure and have characteristic morphology and properties depending on the botanical origin and the organ of the plant. Surface gelatinization st...
Studies on Functional Analysis of Plant Starch Biosynthetic Enzymes
starch biosynthesis starch branching enzyme starch synthase subcellular localization
2008/4/20
About three centuries have already passed since Antoni van Leeuwenhoek observed the gelatinization of starch granule under a microscope in 1719. Now, many people know not only the word “starch,” but a...
Studies on Physicochemical Properties of Various Starch Granules
Scanning Electron Micrograph average granular size amylose content
2008/4/20
1. Developmental changes in starch properties of 9 plant species. Developmental changes in starch properties of 9 plant species (taro, Chinese yam, arrowhead, kiwi fruit, potato, squash, chestnut, Chi...