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Wenjing Wan, Baojun Xu
BACKGROUND: We aimed to develop a beverage using beta-glucan and whey protein isolate (WPI). Furthermore, we evaluated the sensory attributes and changes of the physiochemical properties (pH value, total acidity, total soluble solids, sugar-acid ratio, color, viscosity, turbidity, and browning index) of the beverage during 48-hour storage by comparison with the commercial product and blank sample. RESULTS: The developed beverage had similar sweetness, smoothness, and overall acceptance as those of the commercial and blank samples...
March 12, 2018: Journal of the Science of Food and Agriculture
Olena Ivashchenko, Barbara Peplińska, Jacek Gapiński, Dorota Flak, Marcin Jarek, Karol Załęski, Grzegorz Nowaczyk, Zuzanna Pietralik, Stefan Jurga
Micro/nanostructures, which are assembled from various nanosized building blocks are of great scientific interests due to their combined features in the micro- and nanometer scale. This study for the first time demonstrates that ultrasmall superparamagnetic iron oxide nanoparticles can change the microstructure of their hydrocolloids under the action of external magnetic field. We aimed also at the establishment of the physiological temperature (39 °C) influence on the self-organization of silver and ultrasmall iron oxides nanoparticles (NPs) in hydrocolloids...
March 6, 2018: Scientific Reports
Jennifer M Turner, Christine Purslow, Paul J Murphy
OBJECTIVES: To assess the efficacy and effect on clinical signs of a polyvinylsiloxane (Tresident; Shütz Dental Group GmbH, Germany) compared with an irreversible hydrocolloid (Orthoprint; Zhermack SpA, Badia Polesine, Italy) for ocular impression-taking. METHODS: Twenty subjects were recruited (13 female and 7 male), with mean age 31.1±4.6 years (SD) (range 25.8-39.7). Subjects attended for 2 sessions, each of 1-hr duration, on 2 separate days. Each session was scheduled at the same time on each day...
February 28, 2018: Eye & Contact Lens
Vanessa Feitosa Alves, Vanderlúcia Gomes Moreira, Andréia Felix Soares, Luísa Simões de Albuquerque, Helene Soares Moura, Alisson de Oliveira Silva, Fábio Correia Sampaio
OBJECTIVE: To evaluate retention of intraoral fluoride in biofilm and saliva, an experimental dentifrice containing hydrocolloid (tara gum) was used as a controlled-release system for fluoride (F). MATERIALS AND METHODS: In a triple-blind randomized crossover trial with washout, 18 individuals used the following different dentifrices for a week: 100-TGF (sodium fluoride NaF associated with tara gum, 1100 mg/L), 50-TGF (50% NaF associated with tara gum + 50% free NaF, 1100 mg/L), PC (free NaF, 1100 mg/L), TG (with tara gum and without F), and placebo (without F or tara gum)...
February 26, 2018: Clinical Oral Investigations
Dunja Jurić Vukelić, Jelena Jurić
The aim was to analyze relationship between the application of hydrocolloid dressings in the treatment of chronic wounds and relation to the patient quality of life. The study included 33 vascular outpatients. The authors constructed a questionnaire for assessing the level of daily functional impairment and the quality of life. Participants assessed the level of pain, level of decreased independence in daily activities, level of sleep disturbance, difficulties with keeping hygiene, and level of odor caused by a chronic wound...
September 2017: Acta Clinica Croatica
Victoria Guadalupe Aguilar-Raymundo, Jorge Fernando Vélez-Ruiz
Dairy desserts are complex mixtures and matrices including main components such as milk, sugar, starch, hydrocolloids, colorants and flavors, with a proteinaceous structure; they are widely consumed and present a semisolid consistency. In this work, the physicochemical and rheological properties of a dairy dessert with the addition of chickpea flour (raw and cooked, at four concentrations) were studied to determine the effect of the flour. The results indicated that luminosity (L*: 62.75-83.29), pH (6.35-7...
February 18, 2018: Foods (Basel, Switzerland)
Mariam Mir, Murtaza Najabat Ali, Afifa Barakullah, Ayesha Gulzar, Munam Arshad, Shizza Fatima, Maliha Asad
Wounds are of a variety of types and each category has its own distinctive healing requirements. This realization has spurred the development of a myriad of wound dressings, each with specific characteristics. It is unrealistic to expect a singular dressing to embrace all characteristics that would fulfill generic needs for wound healing. However, each dressing may approach the ideal requirements by deviating from the 'one size fits all approach', if it conforms strictly to the specifications of the wound and the patient...
February 14, 2018: Progress in Biomaterials
Jose Alvarez-Ramirez, Samuel Garcia-Diaz, E Jaime Vernon-Carter, L Arturo Bello-Perez
BACKGROUND: Staling of maize tortilla is a major drawback affecting their manufacture, commercialization and consumption. The development of methods that may help retard staling of maize tortilla is an ongoing research topic. In this work a novel, simple, economic and effective method is proposed, based on adding completely gelatinized nixtamalized maize flour dispersion (GMF, g kg-1 ) to the basic masa formulation recipe (water, 600 g kg-1 ; nixtamalized maize flour (NMF), 400 g kg-1 )), in substitution of 50, 100 and 150 g kg-1 of water...
February 13, 2018: Journal of the Science of Food and Agriculture
Oguz Kaan Ozturk, Behic Mert
This study presents the potential of microfluidization as a value adding process to corn gluten meal (CGM), which is often used as animal feed and is underutilized in food industry. In this study, we aimed to improve water holding ability of corn gluten and to investigate possibility of using this zein-rich byproduct as the main ingredient in gluten-free bread formulations. For this reason, microfluidization as a milling process for CGM, and its effects on rheological and textural properties of gluten-free bread formulations were investigated...
March 2018: Food Research International
Tomasz Miłek, Krzysztof Baranowski, Piotr Zydlewski, Piotr Ciostek, Krzysztof Mlosek, Wojciech Olszewski
Introduction: It has been demonstrated that plasma growth factor (PGF) responsible for proliferation of smooth muscle cells and fibroblasts significantly shortens treatment duration. Aim: To determine the role of human growth factor in the healing of ulcers due to ischaemic diabetic foot syndrome (DFS) following previous angioplasty of the blood vessels of the lower leg and foot. Material and methods: The study group included 50 patients with ischaemic diabetic foot complicated by lower leg ulcers in which angioplasty of the stenotic arteries in the distal lower leg and foot was performed...
December 2017: Postȩpy Dermatologii i Alergologii
Davoud Salarbashi, Mohsen Tafaghodi, Bibi Sedigheh Fazly Bazzaz, Behrouz Jafari
This research aims to characterization of soluble soybean polysaccharide (SSPS) and development of a biodegradable SSPS nanocomposites prepared using various concentrations of TiO2 nanoparticles. 13C NMR suggested that backbone of SSPS is rhamnogalacturonan [1→4)-α-GalAp-(1/2)-α Rhap(1→]. Weight average molecular weight, number average molecular weight (Mn) and polydispersity index (PDI) of SSPS were found to be 2.54 × 106 g/mol, 5.54 × 106 g/mol, and 4.5, respectively. The intrinsic viscosity of SSPS (0...
February 1, 2018: International Journal of Biological Macromolecules
Lorena Tarusha, Sergio Paoletti, Andrea Travan, Eleonora Marsich
Chronic non-healing wounds are a clinically important problem in terms of number of patients and costs. Wound dressings such as hydrogels, hydrocolloids, polyurethane films and foams are commonly used to manage these wounds since they tend to maintain a moist environment which is shown to accelerate re-epithelialization. The use of antibacterial compounds is important in the management of wound infections. A novel wound-dressing material based on a blended matrix of the polysaccharides alginate, hyaluronic acid and Chitlac-silver nanoparticles is here proposed and its application for wound healing is examined...
February 2, 2018: Journal of Materials Science. Materials in Medicine
Joseph Lim, Sirichai Adisakwattana, Christiani Jeyakumar Henry
BACKGROUND AND OBJECTIVES: The aim of this study was to investigate (1) the hydrocolloid properties of grass jelly on reducing glycaemic response, (2) the impact of phenolic compounds in Mesona chinensis L. on glycaemic response. METHODS AND STUDY DESIGN: A total of 15 healthy Chinese men were recruited to this study. On each visit, subjects consumed one of the following three treatments, i.e. glucose solution (T1), grass jelly (Mesona chinensis L.) solution with glucose (T2) or grass jelly gel with glucose (T3)...
2018: Asia Pacific Journal of Clinical Nutrition
G H Meletharayil, H A Patel, L E Metzger, C Marella, T Huppertz
Innovative clean label processes employed in the manufacture of acid gels are targeted to modify the structure of proteins that contribute to rheological properties. In the present study, CO2 -treated milk protein concentrate powder with 80% protein in dry matter (TMPC80) was mixed with nonfat dry milk (NDM) in different ratios for the manufacture of acid gels. Dispersions of NDM and TMPC80 that provided 100, 90, 70, and 40% of protein from NDM were reconstituted to 4.0% (wt/wt) protein and 12.0% (wt/wt) total solids...
March 2018: Journal of Dairy Science
Sahar Jazaeri, Abdorreza Mohammadi, Amir Mehrabi Panah Kermani, Gopinadhan Paliyath, Yukio Kakuda
Tomato juice and paste are special type of dispersions, composed of suspended particles (pulp) dispersed in a colloidal liquid medium (serum). The bright red appearance of soluble solid separated by high speed centrifugation denoted the presence of lycopene in this fraction. Since lycopene is a hydrophobic compound it is not expected to appear in the water soluble fraction. HPLC analysis indicated presence of substantial amount of lycopene in soluble fraction which was confirmed by the appearance of lycopene crystals when observed under Transmission Electron Microscope (TEM)...
April 15, 2018: Food Chemistry
Qian Li, Rui Liu, Tao Wu, Min Zhang
The present study assesses the aggregation behavior of wheat bran arabinoxylan-rich soluble dietary fiber (SDF) fractions with diverse molecular weight and substitution in order to provide useful information to prevent the formation of a block network. In the present work, dynamic and static light scattering, diffusing wave spectroscopy, small amplitude dynamic rheology, atomic force microscopy, and the water-holding and swelling capacities were evaluated to assess the SDF aggregation behavior induced by intrinsic and extrinsic factors...
December 2017: Food Research International
Fatemeh Reesi, Mohsen Minaiyan, Azade Taheri
Nanofiber-based wound dressings have attracted much attention in wound care owing to their unique properties such as high aspect ratio and three-dimensional structure. Arginine is a precursor of nitric oxide that plays an important role in the wound-healing process. Therefore, in this study, we have developed a gel which contains lignin nanofibers (Lig-NFs) that were surface modified by arginine molecules via electrostatic interaction (Arg-Lig-NF gel). The effect of pH on the amount of arginine attached on Lig-NF surface was evaluated at three different pH values-5, 6, and 7...
November 20, 2017: Drug Delivery and Translational Research
Su-Jung Park, Richard Leesungbok, Jae-Won Song, Se Hun Chang, Suk-Won Lee, Su-Jin Ahn
PURPOSE: The aim of this study was to investigate dental arch dimensions and to classify arch shape in Korean young adults. MATERIALS AND METHODS: The sample included 50 Koreans with age ranging from 24 to 32 years. Maxillary and mandibular casts were fabricated using irreversible hydrocolloid and type III dental stones. Incisor-canine distance, incisor-1(st) molar distance, incisor-2(nd) molar distance, intercanine distance, inter-1(st) molar distance, and inter-2(nd) molar distance in both the maxillary and mandibular arch were measured using a three-dimensional measuring device...
October 2017: Journal of Advanced Prosthodontics
Ahmed Ghannam, Hossam Murad, Marie Jazzara, Adnan Odeh, Abdul Wahab Allaf
Hydrocolloids from seaweeds (phycocolloids) have interesting functional properties like antiproliferative activity. Marine algae consumptions are linked to law cancer incidences in countries that traditionally consume marine products. In this study, we have investigated water-soluble sulfated polysaccharides isolated from the red seaweed Laurencia papillosa and determined their chemical characteristics and biological activities on the human breast cancer cell line MCF-7. Total polysaccharides were extracted and fractionated from L...
November 4, 2017: International Journal of Biological Macromolecules
R Sreeraj, Vinod Krishnan, Manju V, Krishnakumar Thankappan
PURPOSE: This study compared masticatory and swallowing functional outcomes in maxillectomy patients who underwent surgical and prosthetic rehabilitation or prosthetic rehabilitation only following surgical resection. MATERIALS AND METHODS: This comparative cross-sectional study involved 20 maxillectomy patients and compared their masticatory and swallowing functions following combined surgical and prosthodontic management vs an exclusively prosthodontic approach...
November 2017: International Journal of Prosthodontics
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