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32 articles for “Glucan”
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Research ArticleOpen accessEvery word in the titleCyclodextrin Glucanotransferase Activity of Microbial Strains Isolated from Yam-Cultivation Soils in Northwestern BeninCyrille Alode Vodounon, Ténor Dias-Mendel Allode et al.β-Cyclodextrin, an industrially important oligosaccharide, is produced by microbial enzymes such as cyclodextrin glucanotransferase (CGTase). This study investigated ways to optimize the enzymatic activity of CGTase from Bacillus cereus, Bacillus pumilus, Bacillus brevis, and Bacillus subtilis strains isolated from soils in north-western Benin. Cyclization activity of CGTase and the influence of pH, temperature, and metal ions were assessed using conventional … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 3 · 21 Sep 2026 · 652 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGlucans and the Poultry Immune SystemJacqueline Jacob, Anthony PescatoreWith the reduced availability of antibiotics, poultry producers are looking for feed additives to stimulate the immune system of their birds. Some beta-glucans have been shown to improve gut health in poultry subjected to a bacterial challenge, to increase the flow of new immunocytes into the various lymphoid organs, to increase macrophage function, to increase antibody titers after a vaccination … …American Journal of Immunology, Vol. 13, Issue 1 · 12 Apr 2017 · 12,367 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleβ-Glucans and ProbioticsMattia Pia Arena, Giuseppe Spano, Daniela FioccoIn the recent decades, several health-promoting features have been ascribed to β-glucans. Biological properties such as anti-cancer, anti-inflammatory and immune-modulating activity have been claimed for these polysaccharides. Moreover, when β-glucans were used in association with probiotic bacteria, prebiotic effects have been demonstrated, due to their ability to enhance growth, metabolism and/or beneficial activities of probiotics. This review shall present an … …American Journal of Immunology, Vol. 13, Issue 1 · 12 Apr 2017 · 9,145 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDynamic Mathematical Modelling of Reaction Kinetics for Cyclodextrins Production from Different Starch Sources Using Bacillus macerans Cyclodextrin GlucanotransferaseSyahinaz Shahrazi, Suryani Saallah, Mohd Noriznan Mokhtar et al.This study relates to the mathematical modelling of enzymatic production of Cyclodextrins (CDs) by Cyclodextrin Glucanotransferase (CGTase) from Bacillus macerans. The experiments were carried out in batch mode using different starch sources and the results were used to estimate unknown parameters using linearization and dynamic simulation methods. α- and β-CD produced from tapioca were found to give the highest Michaelis-Menten … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 2 · 20 Jun 2013 · 7,909 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInfluence of Dietary Beta-1,3/1,6-Glucans on Clinical Signs of Canine Osteoarthritis in a Double-Blind, Placebo-Controlled TrialA.C. Beynen, E. LegersteeProblem statement: There are indications for a beneficial effect of beta-1,3/1,6-glucans on the clinical signs of dogs with osteoarthritis. Data from a controlled trial were necessary to prove or disprove the indications. Approach: A double-blind, placebo-controlled trial with privately owned dogs was carried out to assess the efficacy of a preparation of beta-1,3/1,6-glucans in the treatment of osteoarthritis. With the … …American Journal of Animal and Veterinary Sciences, Vol. 5, Issue 2 · 30 Jun 2010 · 10,105 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleExocellular (1→6)-β-D-Glucan (Lasiodiplodan): Carboxymethylation, Thermal Behavior, Antioxidant and Antimicrobial ActivityThais Vanessa Theis, Gabrielle Cristina Calegari, Vidiany Aparecida Queiroz Santos et al.β-Glucans are biomacromolecules of industrial interest for its biological and technological properties, including ability to modify the rheology of food systems and different biological functionalities. In this study, lasiodiplodan an exocellular polysaccharide of the (1→6)-β-D-glucan type produced by the fungus Lasiodiplodia theobromae MMPI was obtained in a bench-scale bioreactor operated in discontinuous mode. Lasiodiplodan produced was derivatized by carboxymethylation and … …American Journal of Immunology, Vol. 13, Issue 1 · 29 Mar 2017 · 8,326 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIN VITRO TESTING OF MODIFIED COLLAGEN/ HYALURONAN/BETA-GLUCAN SCAFFOLDJan Vojtassak, Dusan Bakos, Martin Bohac et al.Cells and scaffolds belong to main components of tissue engineering. In this study we have performed in vitro cytotoxicity and biocompatibility testing of modified collagen/hyaluronan/beta-glucan scaffold. We used direct contact assay as well as MTT test. Human adipose tissue-derived stem cells were used as biological model. According to obtained results, we can summarize, that modified collagen/hyaluronan/beta-glucan scaffold is non-toxic and … …OnLine Journal of Biological Sciences, Vol. 13, Issue 2 · 12 Jun 2013 · 7,214 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDietary β-glucan Leads to Increased TNF-α Production in the LungRadiah C. Minor, Melody L. Robinson-Wright, Morika Williams, Steven L. HurleyProblem statement: Beta (β)-glucan is notable for its ability to stimulate the immune system and as such β-glucan and products containing β-glucan are used as dietary supplements for livestock and companion animals. β-glucan has been shown to activate macrophages and neutrophils and modulate the production of certain cytokines, including the pro-inflammatory cytokine, Tumor Necrosis Factor Alpha (TNF-α). Because TNF-α is … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 2 · 11 Jun 2012 · 7,507 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn In Vitro Approach to Assess Nutrient Utilization of Brewers Dried Grains and Effects of Supplemental β-Glucanase on Swine Feed IngredientsBessem Mariette Akonjuen, Hyunjun Choi, Beob Gyun KimTwo experiments were conducted to determine In Vitro Dry Matter Disappearance (IVDMD) of Brewers Dried Grains (BDG) and corn Distillers Dried Grains with Solubles (DDGS) and to investigate effects of supplemental β-glucanase on the IVDMD in barley, BDG and corn DDGS for pigs. In experiment 1, the IVDMD in corn DDGS and two BDG sources produced from Cameroon and Republic … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 4 · 8 Nov 2019 · 7,679 accessesView PDFCite
Review ArticleOpen accessEvery word in the titlePromising Effects of Beta-Glucans on Metabolism and on the Immune Responses: Review ArticleViviam de Oliveira Silva, Natália Oliveira de Moura, Larissa Jahnel Rodrigues de Oliveira et al.A public health issue, Diabetes mellitus, affects millions of people around the globe. Ingestion of foods with a low glycemic index - fiber-rich meals-such as beta-glucans, is increasing as an important alternative for diabetes control. These compounds act reducing parameters such as blood glucose, cholesterol and triglycerides, by decreasing the absorption of glucose and lipids by enterocytes and eventually promote … …American Journal of Immunology, Vol. 13, Issue 1 · 29 Mar 2017 · 12,684 accessesView PDFCite