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Ali Sedaghat Doost, Koen Dewettinck, Frank Devlieghere, Paul Van der Meeren
Cinnamaldehyde nanoemulsions were formulated to enable its application in an aqueous environment. The pure cinnamaldehyde nanoemulsions, stabilized by polysorbate 80 (at concentrations >0.5%), had both a higher stability and smaller droplet size, whereas the emulsions containing hydrophobically modified inulin (HMI) formed a colloidal dispersion with larger particle size. Incorporation of sunflower oil (SO) allowed postponement of Ostwald ripening for a sufficiently long period of time (at least 60 days)...
August 30, 2018: Food Chemistry
Whee-Soo Kim, Jun-Yeong Lee, Bijay Singh, Sushila Maharjan, Liang Hong, Sang-Mok Lee, Lian-Hua Cui, Ki-June Lee, GiRak Kim, Cheol-Heui Yun, Sang-Kee Kang, Yun-Jaie Choi, Chong-Su Cho
One of the most challenging aspects of probiotics as a replacement for antibiotics is to enhance their antimicrobial activity against pathogens. Given that prebiotics stimulate the growth and/or activity of probiotics, we developed phthalyl inulin nanoparticles (PINs) as prebiotics and observed their effects on the cellular and antimicrobial activities of Pediococcus acidilactici (PA). First, we assessed the internalization of PINs into PA. The internalization of PINs was largely regulated by glucose transporters in PA, and the process was energy-dependent...
April 12, 2018: Scientific Reports
Yang Cao, Zheng Feei Ma, Hongxia Zhang, Yifan Jin, Yihe Zhang, Frank Hayford
The human gut is densely populated with diverse microbial communities that are essential to health. Prebiotics and fiber have been shown to possess the ability to modulate the gut microbiota. One of the plants being considered as a potential source of prebiotic is yacon. Yacon is an underutilized plant consumed as a traditional root-based fruit in South America. Yacon mainly contains fructooligosaccharides (FOS) and inulin. Therefore, it has bifidogenic benefits for gut health, because FOS are not easily broken down by digestive enzymes...
April 12, 2018: Foods (Basel, Switzerland)
Shweta Tewari, Kriti Kumari Dubey, Rekha S Singhal
Ready-to-drink (RTD) ice tea is a ready prepared tea, produced from green and black tea originating from same plant Camellia sinensis . The objective of this study was to determine the effect of prebiotics [galacto-oligosaccharide (GOS), fructo-oligosaccharide (FOS), and inulin] or synbiotic ingredients (GOS, FOS, inulin, and Lactobacillus acidophilus ) on the sensory properties and consumer acceptability of RTD. The quality of green tea extract (GTE) and black tea extract (BTE) was improved with pretreatment of cellulase and pectinase enzymes...
April 2018: Journal of Food Science and Technology
Marion Vallet, Acil Jaafar, Pierre-Yves Charles, Ivan Tack
INTRODUCTION: Estimation of volemic status can be useful in the diagnosis of some hydro-electrolytic disorders such as hyponatremia and dyskalemia. As a matter of fact, clinical examination and classical biological parameters are not discriminant enough. The aim of this study was to determine the biological parameters that are better correlated to volemic status. METHOD: Volemic status was established using extracellular fluid volume, measured by apparent distribution of inuline, in non-edematous patients and without cardiac or hepatic insufficiency...
April 2018: Néphrologie & Thérapeutique
Qijuan Sun, Lin Luan, Muhammad Arif, Jiaxin Li, Quan-Jiang Dong, Yuanyuan Gao, Zhe Chi, Chen-Guang Liu
The purpose of this study was to develop an oral nanocarrier as budesonide delivery system and to evaluate its therapeutic potential for inflammatory bowel disease (IBD). The nanoparticles (NPs) based on an amphiphilic inulin polymer with 4-aminothiophenol (ATP) grafted onto carboxymethyl inulin (CMI) were prepared. The particle sizes were about 210.18 nm and had the obvious pH/redox sensitive swelling transitions. The drug-release study of NPs <-- >in vitro showed a low release rate (about 45 wt%) in GSH-free media, whereas high release rate (about 80 wt%) in the media containing 20 mM GSH, exhibiting a redox-responsive property...
June 1, 2018: Carbohydrate Polymers
Merve Tomas, Jules Beekwilder, Robert D Hall, Carmen Diez Simon, Osman Sagdic, Esra Capanoglu
The effect of the addition of inulin (5 and 10%) on the phenolic content and in vitro gastrointestinal digestion of tomato sauces has been investigated. Results have shown that the addition of inulin to tomato sauce significantly decreased the total phenolic content (57-68%), total flavonoid content (48-60%), and total antioxidant capacity (49-61%). Similarly, all assays of the sauce containing both 5% and 10% inulin, showed a slight decrease during in vitro gastrointestinal digestion of tomato sauces. Higher levels of inulin added to tomato sauce resulted in the greatest decrease in phenolic content, probably because of the interaction between inulin and phenolic compounds...
April 2018: Food Research International
Fereshteh Alaei, Mohammad Hojjatoleslamy, Seyyed Majid Hashemi Dehkordi
Due to its high thermal resistance and compatibility with the sausage emulsion system, the long-chain inulin can be used as a fat substitute in the formulation of this product. This study was conducted to investigate the effect of inulin on the physicochemical, textural, and sensory properties of chicken sausages. The study included treatments of 25%, 50%, 75%, and 100% substitution. After preparing the samples, their physicochemical, textural, calorimetric, and sensory properties were evaluated. The treatment of 100% substitution of inulin had the maximum amount of sugar (29...
March 2018: Food Science & Nutrition
Yuan Chen, Wenqiang Tan, Qing Li, Fang Dong, Guodong Gu, Zhanyong Guo
Inulin is a kind of renewable and biodegradable carbohydrate with good water solubility and numerous physiological functions. For further utilization of inulin, chemical modification can be applied to improve its bioactivities. In this paper, five novel inulin derivatives were synthesized via chemical modification with quaternary phosphonium salt. Their antifungal activity against three kinds of plant pathogens including Colletotrichum lagenarium, Phomopsis asparagi, and Fusarium oxysporum was assessed with radial growth assay in vitro...
March 13, 2018: International Journal of Biological Macromolecules
Homa Torabizadeh, Asieh Mahmoudi
Inulinase can produce a high amount of fructose syrup from inulin in a one-step enzymatic process. Inulinase from Aspergillus niger was immobilized covalently on Fe3 O4 magnetic nanoparticles functionalized with wheat gluten hydrolysates (WGHs). Wheat gluten was enzymatically hydrolyzed by two endopeptidases Alcalase and Neutrase and related nanoparticles were prepared by desolvation method. Magnetite nanoparticles were coated with WGHs nanoparticles and then inulinase was immobilized onto it using glutaraldehyde as crosslinking agent...
March 2018: Biotechnology Reports
Marco Mattonai, Erika Ribechini
Reactive pyrolysis is a technique that provides mechanistic information by performing pyrolysis of the substrate in a sealed glass capsule at elevated temperature and pressure for relatively long time. This technique has already shown great potential for the analysis of biomass, favouring the formation of only the most thermostable compounds. In this work, both fast and reactive pyrolysis with on-line gas chromatography-mass spectrometry analysis (Py-GC/MS) are used to study fructose, inulin and Jerusalem artichoke tubers (Heliantus tuberosus)...
August 9, 2018: Analytica Chimica Acta
Mansooreh Samimi, Adeleh Dadkhah, Hamed Haddad Kashani, Maryam Tajabadi-Ebrahimi, Elahe Seyed Hosseini, Zatollah Asemi
Data on the effects of synbiotic supplementation on glycemic control, lipid profiles, and atherogenic index of plasma (AIP) of women with polycystic ovary syndrome (PCOS) are limited. The purpose of this study was to assess the effects of synbiotic supplementation on glycemic control and lipid profiles in women with PCOS. A prospective, randomized, double-blind, placebo-controlled trial was done at the Naghavi Hospital affiliated to Kashan University of Medical Sciences, Kashan, Iran, between April 2017 and June 2017...
March 12, 2018: Probiotics and Antimicrobial Proteins
Sophie A Poeker, Annelies Geirnaert, Laura Berchtold, Anna Greppi, Lukasz Krych, Robert E Steinert, Tomas de Wouters, Christophe Lacroix
Consumption of fermentable dietary fibers (DFs), which can induce growth and/or activity of specific beneficial populations, is suggested a promising strategy to modulate the gut microbiota and restore health in microbiota-linked diseases. Until today, inulin and fructo-oligosaccharides (FOS) are the best studied DFs, while little is known about the gut microbiota-modulating effects of β-glucan, α-galactooligosaccharide (α-GOS) and xylo-oligosaccharide (XOS). Here, we used three continuous in vitro fermentation PolyFermS model to study the modulating effect of these DFs on two distinct human adult proximal colon microbiota, independently from the host...
March 12, 2018: Scientific Reports
Zhaojuan Zheng, Qianqian Xu, Peng Liu, Fan Zhou, Jia Ouyang
In order to find an alternative for commercial inulinase, a strain XL01 identified as Penicillium sp. was screened for inulinase production. The broth after cultivated was centrifuged, filtered, and used as crude enzyme for the following saccharification. At pH 5.0 and 50 °C, the crude enzyme released 84.9 g/L fructose and 20.7 g/L glucose from 120 g/L inulin in 72 h. In addition, simultaneous saccharification and fermentation of chicory flour for D-lactic acid production was carried out using the self-produced crude inulinase and Lactobacillus bulgaricus CGMCC 1...
March 10, 2018: Applied Biochemistry and Biotechnology
Asad Nawaz, Allah Bakhsh Javaid, Sana Irshad, Seyed Hossein Hoseinifar, Hanguo Xiong
The gut immune system is, the main option for maintaining host's health, affected by numerous factors comprising dietary constituents and commensal bacteria. These dietary components that affect the intestinal immunity and considered as an alternative of antibiotics are called immunosaccharides. Fructooligosaccharide (FOS), Galactooligosaccharide (GOS), inulin, dietary carbohydrates, and xylooligosaccharide (XOS) are among the most studied prebiotics in human as well as in aquaculture. Although prebiotics and probiotics have revealed potential as treatment for numerous illnesses in both human and fish, a comprehensive understanding of the molecular mechanism behind direct and indirect effect on the intestinal immune response will help more and perhaps extra effective therapy intended for ailments...
March 3, 2018: Fish & Shellfish Immunology
Qian Zhang, Hongyue Yu, Xinhua Xiao, Ling Hu, Fengjiao Xin, Xiaobing Yu
Background & Aims: Accumulating research has addressed the linkage between the changes to gut microbiota structure and type 2 diabetes (T2D). Inulin is one type of soluble dietary fiber that can alleviate T2D. As a prebiotic, inulin cannot be digested by humans, but rather is digested by probiotics. However, whether inulin treatment can benefit the entire gut bacteria community remains unknown. In this study, we evaluated the differences in gut microbiota composition among diabetic, inulin-treated diabetic, normal control, and inulin-treated normal control rats...
2018: PeerJ
Audrey Rivière, Marija Selak, Annelies Geirnaert, Pieter Van den Abbeele, Luc De Vuyst
Inulin-type fructans (ITF) and arabinoxylan-oligosaccharides (AXOS) are broken down to different extents by various bifidobacterial strains present in the human colon. To date, phenotypic heterogeneity in the consumption of these complex oligosaccharides at strain level remains poorly studied. To examine mechanistic variations in ITF and AXOS constituent preferences present in one individual, ITF and AXOS consumption by bifidobacterial strains isolated from the simulator of the human intestinal microbial ecosystem (SHIME®), inoculated with feces from one healthy individual, was investigated...
March 2, 2018: Applied and Environmental Microbiology
Chunjuan He, Yirui Yang, Renfei Zhao, Jingyao Qu, Lan Jin, Lili Lu, Li Xu, Min Xiao
Levansucrases, which belong to the glycoside hydrolase family 68 (GH68), synthesize β (2-6)-linked fructan levan with sucrose as substrate. We described the use of a levansucrase (Bl_SacB) from Bacillus licheniformis 8-37-0-1 for catalysis of fructosyl transfer to obtain high levan yield previously. In the present study, six variants (Y246A, N251A, K372A, R369A, R369S, and R369K) were constructed through sequence alignment and structural analysis to explore the synthesis mechanism of Bl_SacB. The selected residues were predicted to localize to the substrate-entering channel of the active cavity and close to or remote from the catalytic triad...
March 1, 2018: Applied Microbiology and Biotechnology
Osamu Uemura, Naoyuki Iwata, Takuhito Nagai, Satoshi Yamakawa, Satoshi Hibino, Masaki Yamamoto, Masaru Nakano, Kazuki Tanaka
To determine the optimal method of evaluating kidney function in patients with thyroid dysfunction, this study compared the estimated glomerular filtration rate derived from serum creatinine, cystatin C, or β2-microglobulin with inulin or creatinine clearance in two pediatric patients, one with hypothyroidism and the other with hyperthyroidism. It was observed that the kidney function decreased in a hypothyroid child and enhanced in a hyperthyroid child, with their kidney function becoming normalized by treatment with drugs, which normalized their thyroid function...
February 28, 2018: CEN Case Reports
Korrie Pol, Cees de Graaf, Diederick Meyer, Monica Mars
Oligofructose is a prebiotic dietary fibre obtained from chicory root inulin. Oligofructose supplementation may affect satiety, food intake, body weight and/or body composition. The aim was to examine the efficacy of oligofructose-supplemented granola bars on the following weight management outcomes: satiety, energy intake, body weight and body composition in overweight or obese adults. In all, fifty-five adults with overweight or obesity (thirty-six females/nineteen males; age: 41 (sd 12) years; 90·6 (sd 11·8) kg; BMI: 29·4 (sd 2·6) kg/m2) participated in a parallel, triple-blind, placebo-controlled intervention...
March 1, 2018: British Journal of Nutrition
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