2024 Structural characterization of α-zein

Structural characterization of α-zein

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August undefined, 2024

WebThe α -zein fraction is soluble in 40–95% isopropyl alcohol and insoluble in 30% isopropyl alcohol solutions with sodium acetate 30 mM. It constitutes 75–85% of the total zein. … WebNov 28, 2016 · The secondary structural composition of native zein was 44% α-helix, 22% β-sheet and 34% random coil, respectively. ... Structural characterization, formation mechanism and stability of curcumin in zein-lecithin composite nanoparticles fabricated by antisolvent co-precipitation. Dai L ...

Characterization of a 19 kDa α-Zein of High Purity Journal of ...

WebSAXS and light-scattering experiments suggest that in alcohol/water mixtures alpha-zein exists as an oblong structure with an axial ratio of approximately 6:1. Furthermore, … WebBugs MR, Forato LA, Bortoleto-Bugs RK, et al. Spectroscopic characterization and structural modeling of prolamin from maize and pearl millet. Eur ... Izumi Y. Three-dimensional structure of maize α-zein proteins studied by small-angle X-ray scattering. Biochim Biophys Acta - Protein Struct Mol Enzymol. 1997;1339(1):14–22. doi:10.1016 ... helpdesk cominfo

Zein-alpha lipoic acid-loaded nanoparticles to enhance the oral ...

WebJan 25, 2006 · Structural Characterization of α-Zein. A variety of published physical measurements, computational algorithms, and structural modeling methods have been … WebThe use of biodegradable polymers has had excellent results in the development of drug delivery systems for mucosal delivery including oral, intranasal, and pulmonary mechanisms. 14–16 Attractive designs of delivery systems for curcumin have been rapidly developed in this area including the use of zein-hyaluronan-based nanoparticles. 17,18 WebJan 12, 2005 · A highly pure α-zein was extracted from corn flour using ethanol (95%). Subsequently, ion-exchange chromatography was performed, using SP-Sepharose that yielded a highly homogeneous protein. This protein migrated as a single band in 20% SDS−PAGE and in pH gradient gels, showing an isoelectric point of 6.8. Mass … helpdesk companystore.io

Crystals Free Full-Text Structural Characterization of ...

Physicochemical properties of zein films cross-linked with

Web16 hours ago · The CD spectra can be used to characterize the structures of proteins, especially their different types of secondary structure (Wei et al., 2024).Fig. 1 shows the CD spectra of zein during postharvest ripening of two varieties of corns at two temperatures. There were positive peaks at 190–200 nm and negative peaks near 208 and 220 nm, … WebMar 1, 2005 · Despite the large number of studies focused on understanding structural attributes of α-zein (the predominant zein subgroup, comprising approximately 75-85% of the total endosperm protein... helpdesk columbuscatholic.org lamb that takes away the sins of the world

"WebZein, a major corn protein, has an amphiphilic molecule capable of self-assembling into distinctly different structures, i.e., rods, sheets, and spheres. In this work, ultra-small-angle X-ray scattering (USAXS) was applied to investigate the formation of self-assembled zein structures in binary solvent systems of ethanol and water. " - Structural characterization of α-zein

Structural characterization of α-zein

The Interaction between Zein and Lecithin in Ethanol-Water …

WebThe α-zeins, which are made up of polypeptides of 22000 and 19000 Da, are the predominant storage proteins of maize, accounting for about 70% of the total protein. … WebDec 26, 2024 · The interaction of main compounds in both ingredients, that is, cyanidin-3- O -glucoside (C3G) and zein, was characterized via their structural, morphological, thermal stability, and digestible properties using multi-spectroscopic techniques, scanning electron microscopy, high performance liquid chromatography, and in vitro digestion models.

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WebA variety of published physical measurements, computational algorithms, and structural modeling methods have been used to create a molecular model of 19 kDa alpha-zein … WebOct 13, 2024 · α-Zein has received widespread attention owing to its unique solubility, amphipathic, and self-assembly properties, which is because of its high proportion of nonpolar amino acids and unique amino acid sequence. ... The morphological and structural analyses of the self-assembled α-zein showed that the self-assembly process was …

WebJul 25, 2011 · In this paper, the structure and rheological properties of α-zein in acetic acid solutions have been investigated by small-angle X-ray scattering (SAXS), rheology, and … WebWAXS patterns showed two diffuse rings for these samples indicative of noncrystalline structures. Measured d-spacings of ∼ 4.6 {\AA} and ∼ 10.5 {\AA} were found for zein-oleic acid resins and films, consistent with the presence of α-helical segments. The granular zein and zein fibers had ∼ 4.6-{\AA} and ∼ 9.5-{\AA} spacings.

WebAbstract. A variety of published physical measurements, computational algorithms, and structural modeling methods have been used to create a molecular model of 19 kDa α-zein (Z19). Ζeins are water-insoluble storage proteins found in corn protein bodies. WebJan 25, 2006 · A variety of published physical measurements, computational algorithms, and structural modeling methods have been used to create a molecular model of 19 kDa …

WebStructurally the 22 kDa and 19 kDa zeins are composed of nine adjacent, topologically antiparallel helices clustered within a distorted cylinder. The 22 kDa alpha-zeins are encoded by 23 genes; [23] twenty-two of the members are found in a roughly tandem array forming a dense gene cluster.

WebMay 21, 2024 · Since zein contains nearly equal components of α-zein and β-zein, with the low crystallinity, it exhibits the excellent transparency. As the concentration of GDA … help desk common troubleshooting questionsWebZein, a major corn protein, has an amphiphilic molecule capable of self-assembling into distinctly different structures, i.e., rods, sheets, and spheres. In this work, ultra-small-angle … help desk communication skillsWebApr 9, 2024 · X-ray powder diffraction is a vital analytical tool that is used in pharmaceutical science. It is increasingly used to establish the crystal structure of a new pharmaceutical substance, in particular, cocrystal or its polymorphic forms. This review begins with a brief discussion of the reliability of the structural parameters retrieved from powder patterns. … lamb themed nurseryWebDistinct variations in the proportion of α-helix and β-sheet was recorded ... Singh, N.; Kaur, A.; Rana, J.C. Structural and functional characterization of kidney bean and field pea protein isolates: A comparative study. ... Whent, M.; Yu, L.; Wang, Q. Preparation and characterization of zein/chitosan complex for encapsulation of α ... lamb that was slain for usWebApr 13, 2011 · Abstract. Zeins were isolated from corn ethanol coproduct distiller's dried grains (DDG) and fractionated into α- and β γ-rich fractions. The effects of the ethanol production process, such as fermentation type, protease addition, and DDG drying temperature on zein recovery, were evaluated. Yield, purity, and molecular properties of ... helpdesk cmsnextech.comWebAug 1, 2024 · The possible interactions between α-zein and Ca²⁺ in nixtamalization process were analyzed from a multidisciplinary approach, considering the effect of these interactions on the thermal ... helpdesk comparisonWebAug 1, 2024 · Structural characterization and formation mechanism of zein-propylene glycol alginate binary complex induced by calcium ions August 2024 Food Research … help desk communication template