Z3625

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Showing 1-30 of 71 results for "Z3625" within Papers

In-vitro degradation and toxicological assessment of pulsed electric fields crosslinked zein-chitosan-poly(vinyl alcohol) biopolymeric films.

Stephen G Giteru et al.

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 135, 111048-111048 (2019-12-13)

We investigated the in vitro degradation and cytotoxic effects of edible films developed from pulsed electric fields (PEF) treated zein-chitosan-poly(vinyl alcohol) dispersions at specific energy 60-70, 385-400, and 620-650 kJ/kg. The degradation was evaluated using both simulated gastro-intestinal electrolyte solutions (SGES)

Nano-hydroxyapatite incorporated gelatin/zein nanofibrous membranes: Fabrication, characterization and copper adsorption.

Lingli Deng et al.

International journal of biological macromolecules, 154, 1478-1489 (2019-11-17)

In this study, the gelatin/zein nanofibrous membranes with incorporation of nano-hydroxyapatite (nHA) were fabricated via electrospinning. The gelatin/zein/nHA solutions as the spinning dispersions showed the viscoelastic property with a shear-thinning non-Newtown behavior. The incorporated nHA particles in the composite nanofibrous

Calendula officinalis extract/PCL/Zein/Gum arabic nanofibrous bio-composite scaffolds via suspension, two-nozzle and multilayer electrospinning for skin tissue engineering.

Zahra Pedram Rad et al.

International journal of biological macromolecules, 135, 530-543 (2019-06-04)

This work investigates the incorporation of the Calendula officinalis (C. officinalis) extract in electrospun fiber scaffolds composed of poly (ε-caprolactone) (PCL), Zein and gum arabic (GA). Three methods of electrospinning were used: suspension electrospinning, in which C. officinalis extract was

Encapsulation of food grade antioxidant in natural biopolymer by electrospinning technique: a physicochemical study based on zein-gallic acid system.

Yun Ping Neo et al.

Food chemistry, 136(2), 1013-1021 (2012-11-06)

Gallic acid was successfully incorporated into zein ultra-fine fibres at different loading amount (5%, 10% and 20%) in order to develop an encapsulating technology for functional ingredient delivery using electrospinning. The produced fibres exhibit diameters ranging from 327 to 387

Aggregation of zein in aqueous ethanol dispersions: Effect on cast film properties.

Lorina Bisharat et al.

International journal of biological macromolecules, 106, 360-368 (2017-08-16)

In this study, we evaluate the influence of zein aggregation in aqueous ethanol dispersions on the properties of zein films. The effects of zein concentration, ethanol content and temperature on transmittance of zein dispersions were investigated. Dynamic light scattering was

The construction of resveratrol-loaded protein-polysaccharide-tea saponin complex nanoparticles for controlling physicochemical stability and in vitro digestion.

Yang Wei et al.

Food & function, 11(11), 9973-9983 (2020-10-30)

The novel zein-propylene glycol alginate (PGA) -tea saponin (TS) ternary complex nanoparticles were fabricated to deliver resveratrol. TS was firstly introduced to modulate the functional attributes, microstructure, molecular interactions and gastrointestinal digestion of the complex nanoparticles. The size of zein-PGA-TS

NMR techniques in drug delivery: application to zein protein complexes.

F F O Sousa et al.

International journal of pharmaceutics, 439(1-2), 41-48 (2012-10-09)

Zein is a protein containing a large amount of nonpolar amino acids, which has shown the ability to form aggregates and entrap solutes, such as drugs and amino acids. NMR techniques were used to detect binding interactions and measure affinity

Influence of the Maillard Reaction on Properties of Air-Assisted Electrospun Gelatin/Zein/Glucose Nanofibers.

Songqi Liu et al.

Foods (Basel, Switzerland), 12(3) (2023-02-12)

To develop biodegradable, sustainable, and environment-friendly functional food-packaging materials, gelatin/zein/glucose nanofibers were fabricated through air-assisted electrospinning and then crosslinked by the Maillard reaction under mild conditions (60 °C and 50% relative humidity) in this study. Compared to traditional electrospinning, air-assisted

Novel route to stabilization of bioactive antioxidants by encapsulation in electrospun fibers of zein prolamine

Fernandez A, et al.

Food Hydrocolloids, 23(5), 1427-1432 (2009)

Preparation and characterisation of zein/polyphenol nanofibres for nerve tissue regeneration.

Amin Monfared et al.

IET nanobiotechnology, 13(6), 571-577 (2019-08-23)

Bridging strategies are required to repair peripheral nerve injuries that result in gaps >5-8 mm. Limitations such as donor-site morbidity and size mismatches with receptor sites for autografts, together with immunological problems associated with allografts and xenografts, have created an increased

Factors affecting the physical properties of edible composite film prepared from zein and wheat gluten.

Xingfeng Guo et al.

Molecules (Basel, Switzerland), 17(4), 3794-3804 (2012-03-29)

The effects of zein ratio, concentration of glycerol, liquid-solid ratio, ethanol concentration, pH and heat-treatment temperature on the properties of zein/wheat gluten composite films were researched. The results showed that elongation (E) increased with an increase in glycerol or ethanol

Tahreem Riaz et al.

Journal of microencapsulation, 36(2), 192-203 (2019-05-12)

The Bifidobacterium bifidum susceptibility in gastrointestinal conditions and storage stability limit its use as potential probiotics. The current study was design to encapsulate B. bifidum using sodium alginate (SA, 1.4% w/v) and different concentration of zein as coating material, that

Coaxial electrospinning with acetic acid for preparing ferulic acid/zein composite fibers with improved drug release profiles.

Jian-Mao Yang et al.

Colloids and surfaces. B, Biointerfaces, 102, 737-743 (2012-10-31)

This study investigated drug/zein composite fibers prepared using a modified coaxial electrospinning process. With unspinnable acetic acid as sheath liquid and an electrospinnable co-dissolving solution of zein and ferulic acid (FA) as core fluid, the modified coaxial process could run

In vitro and in vivo assessment of glucose cross-linked gelatin/zein nanofibrous scaffolds for cranial bone defects regeneration.

Lingli Deng et al.

Journal of biomedical materials research. Part B, Applied biomaterials, 108(4), 1505-1517 (2019-10-15)

The purpose of this study was to evaluate the glucose cross-linked gelatin/zein scaffolds for bone regeneration in vitro and in vivo. The nanofibrous scaffolds exhibited fast mineralization in the concentrated simulated body fluid with the deposited octacalcium phosphate and dicalcium

Detection limits of the strip test and PCR for genetically modified corn in Brazil.

V E Nascimento et al.

Genetics and molecular research : GMR, 11(3), 2497-2505 (2012-07-31)

Brazilian legislation establishes a labeling limit for products that contain more than 1% material from genetically modified organisms (GMOs). We assessed the sensitivity of the lateral flow strip test in detection of the GMO corn varieties Bt11 and MON810 and

Zein: the industrial protein from corn

Shukla R, et al.

Industrial Crops and Products, 13(3), 171-192 (2001)

Opaque1 encodes a myosin XI motor protein that is required for endoplasmic reticulum motility and protein body formation in maize endosperm.

Guifeng Wang et al.

The Plant cell, 24(8), 3447-3462 (2012-08-16)

Myosins are encoded by multigene families and are involved in many basic biological processes. However, their functions in plants remain poorly understood. Here, we report the functional characterization of maize (Zea mays) opaque1 (o1), which encodes a myosin XI protein.

Oral administration of corn zein hydrolysate stimulates GLP-1 and GIP secretion and improves glucose tolerance in male normal rats and Goto-Kakizaki rats.

Noriyuki Higuchi et al.

Endocrinology, 154(9), 3089-3098 (2013-06-27)

We have previously demonstrated that ileal administration of the dietary protein hydrolysate prepared from corn zein (ZeinH) stimulated glucagon-like peptide-1 (GLP-1) secretion and attenuated hyperglycemia in rats. In this study, to examine whether oral administration of ZeinH improves glucose tolerance

Zea mays Taxilin protein negatively regulates opaque-2 transcriptional activity by causing a change in its sub-cellular distribution.

Nan Zhang et al.

PloS one, 7(8), e43822-e43822 (2012-09-01)

Zea mays (maize) Opaque-2 (ZmO2) protein is an important bZIP transcription factor that regulates the expression of major storage proteins (22-kD zeins) and other important genes during maize seed development. ZmO2 is subject to functional regulation through protein-protein interactions. To

Understanding the dissolution of α-zein in aqueous ethanol and acetic acid solutions.

Yunqi Li et al.

The journal of physical chemistry. B, 116(39), 12057-12064 (2012-09-15)

Zein is a corn prolamin that has broad industrial applications because of its unique physical properties. Currently, the high cost of extraction and purification, which is directly related to the dispersion of zein in different solvents, is the major bottleneck

In vitro drug release from acetylated high amylose starch-zein films for oral colon-specific drug delivery.

Lorina Bisharat et al.

International journal of pharmaceutics, 556, 311-319 (2018-12-18)

This study describes the preparation of free films of zein with and without acetylated high amylose maize starch (HAS) and their corresponding coated tablets as a novel approach to colonic drug delivery. We hypothesise that the embedding of a digestible

Technical note: quantification of zeins from corn, high-moisture corn, and corn silage using a turbidimetric method: comparative efficiencies of isopropyl and tert-butyl alcohols.

G Giuberti et al.

Journal of dairy science, 95(6), 3384-3389 (2012-05-23)

Zeins are corn endosperm storage proteins that encapsulate starch granules into a protein matrix, which can act as a barrier to starch accessibility and digestion. Laboratory methods to quantify zein are seldom used because they are considered arduous and time-consuming.

Nanocarriers from GRAS Zein Proteins to Encapsulate Hydrophobic Actives.

Nikolas T Weissmueller et al.

Biomacromolecules, 17(11), 3828-3837 (2016-11-01)

One factor limiting the expansion of nanomedicines has been the high cost of the materials and processes required for their production. We present a continuous, scalable, low cost nanoencapsulation process, Flash Nanoprecipitation (FNP) that enables the production of nanocarriers (NCs)

Optimized zein nanospheres for improved oral bioavailability of atorvastatin.

Fahima M Hashem et al.

International journal of nanomedicine, 10, 4059-4069 (2015-07-08)

This work focuses on the development of atorvastatin utilizing zein, a natural, safe, and biocompatible polymer, as a nanosized formulation in order to overcome the poor oral bioavailability (12%) of the drug. Twelve experimental runs of atorvastatin-zein nanosphere formula were

Mass spectrometric characterization of the zein protein composition in maize flour extracts upon protein separation by SDS-PAGE and 2D gel electrophoresis.

Paula A Postu et al.

Electrophoresis, 40(20), 2747-2758 (2019-06-07)

Highly homogenous α zein protein was isolated from maize kernels in an environment-friendly process using 95% ethanol as solvent. Due to the polyploidy and genetic polymorphism of the plant source, the application of high resolution separation methods in conjunction with

A calibrator plasmid for quantitative analysis of insect resistant maize (Yieldgard MON 810).

Rajashekhar V Ballari et al.

Food chemistry, 140(1-2), 382-389 (2013-04-13)

Real-time PCR (RT-PCR) is the preferred method for the quantification of genetically modified organisms (GMOs) and implementation of labeling regulations. The precision, sensitivity, and reproducibility of RT-PCR data depend on the use of external calibrators. In this investigation, a dual

Fabrication, characterization and antimicrobial activities of thymol-loaded zein nanoparticles stabilized by sodium caseinate-chitosan hydrochloride double layers.

Yaqiong Zhang et al.

Food chemistry, 142, 269-275 (2013-09-05)

Thymol-loaded zein nanoparticles stabilized with sodium caseinate (SC) and chitosan hydrochloride (CHC) were prepared and characterized. The SC stabilized nanoparticles had well-defined size range and negatively charged surface. Due to the presence of SC, the stabilized zein nanoparticles showed a

Natural surface coating to inactivate Salmonella enterica serovar Typhimurium and maintain quality of cherry tomatoes.

Juan Yun et al.

International journal of food microbiology, 193, 59-67 (2014-12-03)

The objective of the present study was to investigate the effectiveness of zein-based coatings in reducing populations of Salmonella enterica serovar Typhimurium and preserving quality of cherry tomatoes. Tomatoes were inoculated with a cocktail of S. Typhimurium LT2 plus three

Regulation of alpha-zein gene expression during maize endosperm development.

M J Aukerman et al.

Results and problems in cell differentiation, 20, 209-233 (1994-01-01)

Structural elements regulating zein gene expression.

G A Thompson et al.

BioEssays : news and reviews in molecular, cellular and developmental biology, 10(4), 108-113 (1989-04-01)

Zeins are a group of alcohol-soluble proteins that are synthesized in the endosperm of developing maize seeds. These proteins are encoded by a large number of genes located on several chromosomes; based upon the number of mutants that have been

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