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Resistant starch

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https://www.readbyqxmd.com/read/28914314/the-impact-of-extrusion-on-the-nutritional-composition-dietary-fiber-and-in-vitro-digestibility-of-gluten-free-snacks-based-on-rice-pea-and-carob-flour-blends
#1
C Arribas, B Cabellos, C Sánchez, C Cuadrado, E Guillamón, M M Pedrosa
Consumers and the food industry are demanding healthier products. Expanded snacks with a high nutritional value were developed from different rice, pea and carob flour blends. The proximate composition, starch (total and resistant), amylose and amylopectin, dietary fiber (soluble and insoluble) contents, and the in vitro protein digestibility of different rice-legume formulations, were evaluated before and after the extrusion process. Compared with the corresponding non-extruded blends (control), the extrusion treatment did not change the total protein content, however, it reduced the soluble protein (61-86%), the fat (69-92%) and the resistant starch contents (100%)...
September 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28903068/the-influence-of-hydroalcoholic-media-on-the-performance-of-grewia-polysaccharide-in-sustained-release-tablets
#2
E I Nep, M H Mahdi, A O Adebisi, C Dawson, K Walton, P J Bills, B R Conway, A M Smith, K Asare-Addo
Co-administration of drugs with alcohol can affect the plasma concentration of drugs in patients. It is also known that the excipients used in the formulation of drugs may not always be resistant to alcohol. This study evaluates effect of varying alcohol concentrations on theophylline release from two grades of Grewia mollis polysaccharides. X-ray microtomography showed that native polysaccharide formulation compacts were not homogenous after the mixing process resulting in its failure in swelling studies. Removal of starch from the native polysaccharide resulted in homogenous formulation compacts resistant to damage in high alcoholic media in pH 6...
September 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28886439/chronic-high-sucrose-diet-increases-fibroblast-growth-factor-21-production-and-energy-expenditure-in-mice
#3
Ryuya Maekawa, Yusuke Seino, Hidetada Ogata, Masatoshi Murase, Atsushi Iida, Kaori Hosokawa, Erina Joo, Norio Harada, Shin Tsunekawa, Yoji Hamada, Yutaka Oiso, Nobuya Inagaki, Yoshitaka Hayashi, Hiroshi Arima
Excess carbohydrate intake causes obesity in humans. On the other hand, acute administration of fructose, glucose or sucrose in experimental animals has been shown to increase the plasma concentration of anti-obesity hormones such as glucagon-like peptide 1 (GLP-1) and Fibroblast growth factor 21 (FGF21), which contribute to reducing body weight. However, the secretion and action of GLP-1 and FGF21 in mice chronically fed a high-sucrose diet has not been investigated. To address the role of anti-obesity hormones in response to increased sucrose intake, we analyzed mice fed a high-sucrose diet, a high-starch diet or a normal diet for 15 weeks...
July 25, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28878591/mutations-in-the-gene-of-the-g%C3%AE-subunit-of-the-heterotrimeric-g-protein-are-the-cause-for-the-brachytic1-semi-dwarf-phenotype-in-barley-and-applicable-for-practical-breeding
#4
Ilka Braumann, Christoph Dockter, Sebastian Beier, Axel Himmelbach, Finn Lok, Udda Lundqvist, Birgitte Skadhauge, Nils Stein, Shakhira Zakhrabekova, Ruonan Zhou, Mats Hansson
BACKGROUND: Short-culm mutants have been widely used in breeding programs to increase lodging resistance. In barley (Hordeum vulgare L.), several hundreds of short-culm mutants have been isolated over the years. The objective of the present study was to identify the Brachytic1 (Brh1) semi-dwarfing gene and to test its effect on yield and malting quality. RESULTS: Double-haploid lines generated through a cross between a brh1.a mutant and the European elite malting cultivar Quench, showed good malting quality but a decrease in yield...
2018: Hereditas
https://www.readbyqxmd.com/read/28873621/exploitation-of-alfalfa-seed-medicago-sativa-l-flour-into-gluten-free-rice-cookies-nutritional-antioxidant-and-quality-characteristics
#5
Gianluca Giuberti, Gabriele Rocchetti, Samantha Sigolo, Paola Fortunati, Luigi Lucini, Antonio Gallo
In an effort to increase the nutritional value of common gluten-free (GF) cereal-based foods, GF cookies using alfalfa seed flour (ASF), at different substitution levels to common rice flour (0% as control, 15%, 30% and 45% w/w), were produced. Crude protein, total dietary fibre, total polyunsaturated, total n-3 and n-6 fatty acid contents increased linearly (p<0.05) by raising the substitution levels of rice with ASF. The hardness, the total phenolic content, the in vitro antioxidant capacity and the resistant starch increased linearly (p<0...
January 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28873572/implications-of-hydration-depletion-in-the-in-vitro-starch-digestibility-of-white-bread-crumb-and-crust
#6
Mario M Martínez, Laura Román, Manuel Gómez
The objective of this study was to provide understanding about the efficacy of decreasing dough hydration to slow down starch digestibility in white bread. Breads were made with 45 (low hydration bread, LHB), 60 (intermediate hydration bread, IHB) and 75% (high hydration bread, HHB) water (flour basis). A hydration depletion down to 45%, which is close to the minimum hydration found in commercially available white bread, did not prevent the starch in the crumb from complete gelatinization. However, LHB and IHB crumbs were more resistant to physical breakdown during in vitro digestion than HHB crumbs, resulting in a 96...
January 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28873571/production-of-rs4-from-rice-starch-and-its-utilization-as-an-encapsulating-agent-for-targeted-delivery-of-probiotics
#7
Bilal Ahmad Ashwar, Asir Gani, Adil Gani, Asima Shah, Farooq Ahmad Masoodi
The research reported in this article is based on the hypothesis that crosslinking of starch can make it a potential wall material for targeted delivery of probiotics by altering its digestion. Three probiotic strains namely Lactobacillus casei, Lactobacillus brevis and Lactobacillus plantarum were microencapsulated with resistant starch. Encapsulation yield (%) of resistant starch microspheres was in the range of 43.01-48.46. The average diameter of resistant starch microparticles was in the range of 45.53-49...
January 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28873570/effective-production-of-resistant-starch-using-pullulanase-immobilized-onto-magnetic-chitosan-fe3o4-nanoparticles
#8
Jie Long, Bao Zhang, Xingfei Li, Xiaobei Zhan, Xueming Xu, Zhengjun Xie, Zhengyu Jin
In this study, pullulanase was firstly immobilized by covalent bonding onto chitosan/Fe3O4 nanoparticles or encapsulation in sol-gel after bonding onto chitosan/Fe3O4 nanoparticles, and then the immobilized pullulanase was used for the effective production of resistant starch (RS). The highest RS content (35.1%) was obtained under the optimized condition of pH 4.4, enzyme concentration of 10ASPU/g and hydrolysis time of 12h when debranched by free pullulsanase, indicating that RS content was significantly (p<0...
January 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28871268/xylem-vessel-diameter-affects-the-compartmentalization-of-the-vascular-pathogen-phaeomoniella-chlamydospora-in-grapevine
#9
Jérôme Pouzoulet, Elia Scudiero, Marco Schiavon, Philippe E Rolshausen
Fungal wilt diseases are a threat to global food safety. Previous studies in perennial crops showed that xylem vessel diameter affects disease susceptibility. We tested the hypothesis that xylem vessel diameter impacts occlusion processes and pathogen compartmentalization in Vitis vinifera L. We studied the interaction between four grape commercial cultivars with the vascular wilt pathogen Phaeomoniella chlamydospora. We used qPCR and wood necrotic lesion length to measure fungal colonization coupled with histological studies to assess differences in xylem morphology, pathogen compartmentalization, and fungal colonization strategy...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28867106/application-of-dietary-fiber-method-aoac-2011-25-in-fruit-and-comparison-with-aoac-991-43-method
#10
Eric de C Tobaruela, Aline de O Santos, Ligia B de Almeida-Muradian, Elias da S Araujo, Franco M Lajolo, Elizabete W Menezes
AOAC 2011.25 method enables the quantification of most of the dietary fiber (DF) components according to the definition proposed by Codex Alimentarius. This study aimed to compare the DF content in fruits analyzed by the AOAC 2011.25 and AOAC 991.43 methods. Plums (Prunus salicina), atemoyas (Annona x atemoya), jackfruits (Artocarpus heterophyllus), and mature coconuts (Cocos nucifera) from different Brazilian regions (3 lots/fruit) were analyzed for DF, resistant starch, and fructans contents. The AOAC 2011...
January 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28867097/nutritional-composition-in-relation-to-glycemic-potential-of-popular-indian-rice-varieties
#11
V S S Prasad, A Hymavathi, V Ravindra Babu, T Longvah
Diabetes, a chronic hyperglycemic disorder, is a public health concern in India. High glycemic carbohydrate foods are linked to higher risk of diabetes. The chemical composition and in vivo glycemic potential of popular Indian rice varieties namely Jaya, Lalat, NDR-97, PR-113, Salivahana, Sasyasree, Savithri, Tellahamsa, Triguna, Varalu and one hybrid DRRH-3, having wide agronomical and grain morphological features were studied. Nutrient composition varied prominently among different varieties. Resistant starch (RS) content (2...
January 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28860611/impact-of-immunosuppression-on-the-metagenomic-composition-of-the-intestinal-microbiome-a-systems-biology-approach-to-post-transplant-diabetes
#12
M Bhat, E Pasini, J Copeland, M Angeli, S Husain, D Kumar, E Renner, A Teterina, J Allard, D S Guttman, A Humar
Solid organ transplantation (SOT) outcomes have continued to improve, although long-term use of immunosuppressants can lead to complications such as diabetes, compromising post-transplant outcomes. In this study, we have characterized the intestinal microbiome (IM) composition at the metagenomic level in the context of hyperglycemia induced by immunosuppressants. Sprague-Dawley rats were subjected to doses of tacrolimus and sirolimus that reliably induce hyperglycemia and an insulin-resistant state. Subsequent exposure to probiotics resulted in reversal of hyperglycemia...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28833406/effect-of-age-and-dietary-carbohydrate-profiles-on-glucose-and-insulin-dynamics-in-horses
#13
S I Jacob, R J Geor, P S D Weber, P A Harris, M E McCue
BACKGROUND: Glucose and insulin dynamics may be different in adult and aged horses. OBJECTIVES: To determine the effects of age and dietary carbohydrates on glucose and insulin dynamics in healthy horses. STUDY DESIGN: Balanced Latin square with four isocaloric diets: CONTROL (hay plus restricted-starch-and-sugar fortified pellets), STARCH (control plus kibbled corn), FIBER (control plus unmolassed sugar beet pulp/soybean hull pellets) and SUGAR (control plus dextrose powder)...
August 18, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28831226/antibiotic-and-heavy-metal-resistance-of-aeromonas-hydrophila-and-edwardsiella-tarda-isolated-from-red-hybrid-tilapia-oreochromis-spp-coinfected-with-motile-aeromonas-septicemia-and-edwardsiellosis
#14
S W Lee, W Wendy
AIM: The aim of this study is to identify antibiogram and heavy metal resistance pattern of Aeromonas hydrophila and Edwardsiella tarda isolated from red hybrid tilapia (Oreochromis spp.) coinfected with motile aeromonas septicemia and edwardsiellosis in four commercial fish farms. MATERIALS AND METHODS: A. hydrophila and E. tarda were isolated using glutamate starch phenol red and xylose lysine deoxycholate (Merck, Germany) as a selective medium, respectively. All the suspected bacterial colonies were identified using conventional biochemical tests and commercial identification kit (BBL Crystal, USA)...
July 2017: Veterinary World
https://www.readbyqxmd.com/read/28821103/effect-of-dual-modification-by-annealing-and-ultrahigh-pressure-on-properties-of-starches-with-different-polymorphs
#15
Shujun Wang, Peng Guo, Fengjuan Xiang, Jinrong Wang, Jinglin Yu, Shuo Wang
The effects of dual modification by annealing (ANN) and ultrahigh pressure (UHP) on properties of wheat, yam, and potato starches were investigated. Compared with the single UHP treatment (400MPa), ANN-UHP (400MPa) treatment did not alter significantly the ordered structures of wheat starch, indicating that ANN treatment enhanced the stability and resistance of starch granules to the subsequent UHP treatment. In contrast, UHP (400MPa)-ANN treatment resulted in more severe disruption of ordered structures of wheat starch than did the single UHP treatment, showing that UHP-treated starch was more vulnerable to the subsequent ANN treatment...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28809808/combination-of-poly-lactic-acid-and-starch-for-biodegradable-food-packaging
#16
REVIEW
Justine Muller, Chelo González-Martínez, Amparo Chiralt
The massive use of synthetic plastics, in particular in the food packaging area, has a great environmental impact, and alternative more ecologic materials are being required. Poly(lactic) acid (PLA) and starch have been extensively studied as potential replacements for non-degradable petrochemical polymers on the basis of their availability, adequate food contact properties and competitive cost. Nevertheless, both polymers exhibit some drawbacks for packaging uses and need to be adapted to the food packaging requirements...
August 15, 2017: Materials
https://www.readbyqxmd.com/read/28802982/reducing-of-salivary-%C3%AE-amylase-inhibition-by-using-bovine-serum-albumin-and-calcium-chloride-for-forensic-saliva-screening
#17
Jun Ohta, Masako Ohmura
Inhibiting salivary α-amylase is a critical issue of forensic saliva identification using the catalytic method. This study aims to identify human α-amylase inhibitors in forensic saliva screening by using a blue starch amylase test and to measure the extent of enzyme inhibition. Thus, in order to demonstrate the presence of inhibitors, we prepared positively charged metal ion sources or chelators that were mixed into the saliva stains. The results of this study show that ferric chloride (FeCl3), magnesium chloride, ethylenediaminetetraacetic acid, and citric acid significantly decrease the α-amylase activity of saliva stains...
September 2017: Legal Medicine
https://www.readbyqxmd.com/read/28802846/effect-of-domestic-cooking-on-the-starch-digestibility-predicted-glycemic-indices-polyphenol-contents-and-alpha-amylase-inhibitory-properties-of-beans-phaseolis-vulgaris-and-breadfruit-treculia-africana
#18
E Chinedum, S Sanni, N Theressa, A Ebere
The effect of processing on starch digestibility, predicted glycemic indices (pGI), polyphenol contents and alpha amylase inhibitory properties of beans (Phaseolis vulgaris) and breadfruit (Treculia africana) was studied. Total starch ranged from 4.3 to 68.3g/100g, digestible starch ranged from 4.3 to 59.2 to 65.7g/100g for the raw and processed legumes; Resistance starch was not detected in most of the legumes except in fried breadfruit and the starches in both the raw and processed breadfruit were more rapidly digested than those from raw and cooked beans...
August 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28790981/determination-of-resistant-starch-assimilating-bacteria-in-fecal-samples-of-mice-by-in-vitro-rna-based-stable-isotope-probing
#19
Elena Herrmann, Wayne Young, Douglas Rosendale, Ralf Conrad, Christian U Riedel, Markus Egert
The impact of the intestinal microbiota on human health is becoming increasingly appreciated in recent years. In consequence, and fueled by major technological advances, the composition of the intestinal microbiota in health and disease has been intensively studied by high throughput sequencing approaches. Observations linking dysbiosis of the intestinal microbiota with a number of serious medical conditions including chronic inflammatory disorders and allergic diseases suggest that restoration of the composition and activity of the intestinal microbiota may be a treatment option at least for some of these diseases...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28782617/dual-enzyme-modified-oat-starch-structural-characterisation-rheological-properties-and-digestibility-in-simulated-gi-tract
#20
Asima Shah, F A Masoodi, Adil Gani, Bilal Ashwar
Oat starches from three different varieties were treated with combination of β-amylase and transglucosidase and their structural, rheological, thermal, and digestibility through simulated GI tract conditions were investigated. By dual enzyme modification, the granules form a discontinuous compact fibrous structure with many surface cracks. The transformation from A-type to A+V type pattern with decrease in crystallinity was observed in dual enzyme modified starches. The ratio of intensity, 1047/1022cm(-1) and 995/1022cm(-1) of enzyme modified starches were reduced compared to their native ones as revealed from FTIR spectra...
August 4, 2017: International Journal of Biological Macromolecules
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