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https://www.readbyqxmd.com/read/29333864/non-digestible-carbohydrates-in-infant-formula-as-substitution-for-human-milk-oligosaccharide-functions-effects-on-microbiota-and-gut-maturation
#1
Renate Akkerman, Marijke M Faas, Paul de Vos
Human milk (HM) is the golden standard for nutrition of newborn infants. Human milk oligosaccharides (HMOs) are abundantly present in HM and exert multiple beneficial functions, such as support of colonization of the gut microbiota, reduction of pathogenic infections and support of immune development. HMO-composition is during lactation continuously adapted by the mother to accommodate the needs of the neonate. Unfortunately, for many valid reasons not all neonates can be fed with HM and are either totally or partly fed with cow-milk derived infant formulas, which do not contain HMOs...
January 15, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29331820/using-vibrational-molecular-spectroscopy-to-reveal-association-of-steam-flaking-induced-carbohydrates-molecular-structural-changes-with-grain-fractionation-biodigestion-and-biodegradation
#2
Ningning Xu, Jianxin Liu, Peiqiang Yu
Advanced vibrational molecular spectroscopy has been developed as a rapid and non-destructive tool to reveal intrinsic molecular structure conformation of biological tissues. However, this technique has not been used to systematically study flaking induced structure changes at a molecular level. The objective of this study was to use vibrational molecular spectroscopy to reveal association between steam flaking induced CHO molecular structural changes in relation to grain CHO fractionation, predicted CHO biodegradation and biodigestion in ruminant system...
January 5, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29329608/polyphenols-isolated-from-acacia-mearnsii-bark-with-anti-inflammatory-and-carbolytic-enzyme-inhibitory-activities
#3
Jia Xiong, Mary H Grace, Debora Esposito, Slavko Komarnytsky, Fei Wang, Mary Ann Lila
The present study was designed to characterize the polyphenols isolated from Acacia mearnsii bark crude extract (B) and fractions (B1-B7) obtained by high-speed counter-current chromatography (HSCCC) and evaluate their anti-inflammatory and carbolytic enzymes (α-glucosidase and α-amylase) inhibitory activities. Fractions B4, B5, B6, B7 (total phenolics 850.3, 983.0, 843.9, and 572.5 mg·g-1, respectively; proanthocyanidins 75.7, 90.5, 95.0, and 44.8 mg·g-1, respectively) showed significant activities against reactive oxygen species (ROS), nitric oxide (NO) production, and expression of pro-inflammatory genes interleukin-1β (IL-1β) and inducible nitric oxide synthase (iNOS) in a lipopolysaccharide (LPS)-stimulated mouse macrophage cell line RAW 264...
November 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29327229/leopoldia-comosa-prevents-metabolic-disorders-in-rats-with-high-fat-diet-induced-obesity
#4
T Casacchia, F Scavello, C Rocca, M C Granieri, G Beretta, D Amelio, F Gelmini, A Spena, R Mazza, C C Toma, Tommaso Angelone, Giancarlo Statti, T Pasqua
PURPOSE: Obesity is the main feature of a complex illness known as metabolic syndrome. Anti-obesogenic therapies are often associated with side effects and represent a high cost in conventional pharmacological approaches. New strategies based on natural remedies are under continuous investigation. Leopoldia comosa (L.) Parl. (L. comosa) is a spontaneous plant with diuretic, anti-inflammatory and antioxidant properties. Recently, a hypoglycemic activity mediated by inhibition of carbohydrate digestion has been identified...
January 11, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29325042/biochemistry-of-complex-glycan-depolymerisation-by-the-human-gut-microbiota
#5
Didier Ndeh, Harry J Gilbert
The human gut microbiota (HGM) makes an important contribution to health and disease. It is a complex microbial community of trillions of microbes with a majority of its members represented within two phyla, the Bacteroidetes and Firmicutes, although it also contains species of Actinobacteria and Proteobacteria. Reflecting its importance, the HGM is sometimes referred to as an 'organ' as it performs functions analogous to systemic tissues within the human host. The major nutrients available to the HGM are host and dietary complex carbohydrates...
January 9, 2018: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/29316276/crispr-disruption-of-tctp-gene-impaired-normal-development-in-the-silkworm-bombyx-mori
#6
Zu-Lian Liu, Jun Xu, Lin Ling, Ru Zhang, Peng Shang, Yong-Ping Huang
The translationally controlled tumor protein (TCTP) is a highly conserved and multifunctional protein with activities ranging from cytoskeletal regulation to transcription regulation in numerous organisms. In insects, TCTP is essential for cell growth and proliferation. Recently, TCTP has been reported to affect the innate intestinal immune pathway in the Bombyx mori silkworm, a lepidopteran model insect. However, the comprehensive physiological roles of TCTP in the silkworm remain poorly understood. Here, we performed functional analysis of BmTCTP by using a binary transgenic CRISPR/Cas9 (clustered regularly interspaced short palindromin repeats/RNA-guided Cas9 nucleases) system...
January 9, 2018: Insect Science
https://www.readbyqxmd.com/read/29314285/modulation-of-broilers-caecal-microflora-and-metabolites-in-response-to-a-potential-probiotic-bacillus-amyloliquefaciens
#7
G T Cao, X A Zhan, L L Zhang, X F Zeng, A G Chen, C M Yang
Studies have found that a dietary supplement of Bacillus amyloliquefaciens improved the growth performance, increased the nutrient digestibility of hosts and modulated the intestinal microflora. A total of 360 1-day-old Ross broilers were randomly divided into three treatments: a control group with a basal diet, an antibiotic group with a basal diet and added colistin sulphate, and a probiotics group with a basal diet and added Bacillus amyloliquefaciens. The HiSeq high-throughput sequencing analysis of 16S rRNA was used to investigate the differences in birds' caecal microflora, and metabolomics was used to analyse changes in caecal metabolites...
January 3, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29297969/binding-targets-of-termiticidal-lectins-from-the-bark-and-leaf-of-myracrodruon-urundeuva-in-the-gut-of-nasutitermes-corniger-workers
#8
Thâmarah A Lima, Leonardo P Dornelles, Ana Patrícia S Oliveira, Caio C S Guedes, Sueden O Souza, Roberto A Sá, Russolina B Zingali, Thiago H Napoleão, Patrícia M G Paiva
BACKGROUND: Lectins, carbohydrate-binding proteins, from the bark (MuBL) and leaf (MuLL) of Myracrodruon urundeuva are termiticidal agents against Nasutitermes corniger workers, and have been shown to induce oxidative stress and cell death in the midgut of these insects. In this study, we investigated the binding targets of MuBL and MuLL in the gut of N. corniger workers by determining the effects of these lectins on the activity of digestive enzymes. In addition, we used mass spectrometry to identify peptides from gut proteins that adsorbed to MuBL-Sepharose and MuLL-Sepharose columns...
January 3, 2018: Pest Management Science
https://www.readbyqxmd.com/read/29287787/digestibility-and-nutritional-value-of-fresh-and-stored-pollen-for-honey-bees-apis-mellifera-scutellata
#9
Susan W Nicolson, Susana Da Silva Das Neves, Hannelie Human, Christian W W Pirk
Pollen, the main protein source for honey bees, is mixed with regurgitated nectar or honey during collection and then stored as 'bee bread' before its consumption, mainly by young nurse workers. It has been suggested that storage of pollen improves its nutritional value and digestibility, but there is little evidence for such changes. We fed two fresh pollen types of different protein content (aloe and sunflower), and two stored pollen types (sunflower and a mixed pollen), to young caged worker bees. We measured daily consumption of pollen and sucrose solution, and survival after 14 days...
December 26, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/29287431/effect-of-roasted-pea-flour-starch-and-encapsulated-pea-starch-incorporation-on-the-in-vitro-starch-digestibility-of-pea-breads
#10
Zhan-Hui Lu, Elizabeth Donner, Qiang Liu
Oven or microwave roasting and alginate encapsulation of pea flour and starch to produce novel pea ingredients for enrichment of slowly digestible starch (SDS) and resistant starch (RS) content in pea bread were investigated. Pea flour treated either by oven roasting (160°C, 30min) or by microwave roasting (1.1kW, 6min) effectively retained its low starch digestibility similar to its native form (∼25% SDS; ∼60% RS). When oven roasting was applied to pea starch, SDS content increased triply compared to the fully boiled counterpart...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29287339/inter-laboratory-validation-of-the-starch-digestibility-method-for-determination-of-rapidly-digestible-and-slowly-digestible-starch
#11
Klaus Englyst, Aurelie Goux, Alexandra Meynier, Michael Quigley, Hans Englyst, Olivier Brack, Sophie Vinoy
The digestibility of starch in foods, which is influenced by the ingredients, formulation and preparation conditions, is a major determinant of glycaemic response. The terms rapidly digestible starch (RDS) and slowly digestible starch (SDS) along with the associated analytical methodology were developed by Englyst to characterise this nutritionally relevant food attribute. The measurement uncertainty of this starch digestibility method is evaluated here with an inter-laboratory trial. Six laboratories took part in the study testing ten cereal products with mean (range) contents of RDS: 48...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29282051/microbiota-dysbiosis-in-inflammatory-bowel-diseases-in-silico-investigation-of-the-oxygen-hypothesis
#12
Michael A Henson, Poonam Phalak
BACKGROUND: Inflammatory bowel diseases (IBD), which include ulcerative colitis and Crohn's disease, cause chronic inflammation of the digestive tract in approximately 1.6 million Americans. A signature of IBD is dysbiosis of the gut microbiota marked by a significant reduction of obligate anaerobes and a sharp increase in facultative anaerobes. Numerous experimental studies have shown that IBD is strongly correlated with a decrease of Faecalibacterium prausnitzii and an increase of Escherichia coli...
December 28, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29281655/evidence-supporting-oral-sensitivity-to-complex-carbohydrates-independent-of-sweet-taste-sensitivity-in-humans
#13
Julia Y Q Low, Kathleen E Lacy, Robert L McBride, Russell S J Keast
Compared to simple sugars, complex carbohydrates have been assumed invisible to taste. However, two recent studies proposed that there may be a perceivable taste quality elicited by complex carbohydrates independent of sweet taste. There is precedent with behavioural studies demonstrating that rats are very attracted to complex carbohydrates, and that complex carbohydrates are preferred to simple sugars at low concentrations. This suggests that rats may have independent taste sensors for simple sugars and complex carbohydrates...
2017: PloS One
https://www.readbyqxmd.com/read/29278834/sugar-sensing-by-chrebp-mondo-mlx-new-insight-into-downstream-regulatory-networks-and-integration-of-nutrient-derived-signals
#14
REVIEW
Essi Havula, Ville Hietakangas
Animals regulate their physiology with respect to nutrient status, which requires nutrient sensing pathways. Simple carbohydrates, sugars, are sensed by the basic-helix-loop-helix leucine zipper transcription factors ChREBP/Mondo, together with their heterodimerization partner Mlx, which are well-established activators of sugar-induced lipogenesis. Loss of ChREBP/Mondo-Mlx in mouse and Drosophila leads to sugar intolerance, that is, inability to survive on sugar containing diet. Recent evidence has revealed that ChREBP/Mondo-Mlx responds to sugar and fatty acid-derived metabolites through several mechanisms and cross-connects with other nutrient sensing pathways...
December 23, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/29278656/biological-activities-of-camelina-and-sophia-seeds-phenolics-inhibition-of-ldl-oxidation-dna-damage-and-pancreatic-lipase-and-%C3%AE-glucosidase-activities
#15
Md Jiaur Rahman, Priyatharini Ambigaipalan, Fereidoon Shahidi
The free, esterified and insoluble-bound phenolics of defatted meals of camelina and sophia seeds were extracted using an ultrasonic-assisted procedure and alkaline hydrolysis. The antioxidant activities of the extracts were evaluated using DPPH and hydroxyl radical scavenging assays as well as inhibition of bleaching of β-carotene in an oil-in-water system. Moreover, inhibition activity against pancreatic lipase, α-glucosidase, low density lipoprotein (LDL) oxidation and DNA damage induced by peroxyl and hydroxyl radicals were examined for all seed extracts using in vitro systems...
December 26, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29276491/distribution-of-glycan-motifs-at-the-surface-of-midgut-cells-in-the-cotton-leafworm-spodoptera-littoralis-demonstrated-by-lectin-binding
#16
Tomasz Walski, Kristof De Schutter, Kaat Cappelle, Els J M Van Damme, Guy Smagghe
Glycans are involved in many biological phenomena, including signal transduction, cell adhesion, immune response or differentiation. Although a few papers have reported on the role of glycans in the development and proper functioning of the insect midgut, no data are available regarding the localization of the glycan structures on the surface of the cells in the gut of insects. In this paper, we analyzed the spatial distribution of glycans present on the surface of the midgut cells in larvae of the cotton leafworm Spodoptera littoralis, an important agricultural pest insect worldwide...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29273795/fusimonas-intestini-gen-nov-sp-nov-a-novel-intestinal-bacterium-of-the-family-lachnospiraceae-associated-with-diabetes-in-mice
#17
Hiroyuki Kusada, Keishi Kameyama, Xian-Ying Meng, Yoichi Kamagata, Hideyuki Tamaki
Our previous study shows that an anaerobic intestinal bacterium strain AJ110941P contributes to type 2 diabetes development in mice. Here we phylogenetically and physiologically characterized this unique mouse gut bacterium. The 16S rRNA gene analysis revealed that the strain belongs to the family Lachnospiraceae but shows low sequence similarities ( < 92.5%) to valid species, and rather formed a distinct cluster with uncultured mouse gut bacteria clones. In metagenomic database survey, the 16S sequence of AJ110941P also matched with mouse gut-derived datasets (56% of total datasets) with > 99% similarity, suggesting that AJ110941P-related bacteria mainly reside in mouse digestive tracts...
December 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29246110/dna-and-rna-sequence-based-gwas-highlights-membrane-transport-genes-as-key-modulators-of-milk-lactose-content
#18
Thomas J Lopdell, Kathryn Tiplady, Maksim Struchalin, Thomas J J Johnson, Michael Keehan, Ric Sherlock, Christine Couldrey, Stephen R Davis, Russell G Snell, Richard J Spelman, Mathew D Littlejohn
BACKGROUND: Lactose provides an easily-digested energy source for neonates, and is the primary carbohydrate in milk in most species. Bovine lactose is also a key component of many human food products. However, compared to analyses of other milk components, the genetic control of lactose has been little studied. Here we present the first GWAS focussed on analysis of milk lactose traits. RESULTS: Using a discovery population of 12,000 taurine dairy cattle, we detail 27 QTL for lactose concentration and yield, and subsequently validate the effects of 26 of these loci in a distinct population of 18,000 cows...
December 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29241114/understanding-the-impact-of-cationic-polyacrylamide-on-anaerobic-digestion-of-waste-activated-sludge
#19
Dongbo Wang, Xuran Liu, Guangming Zeng, Jianwei Zhao, Yiwen Liu, Qilin Wang, Fei Chen, Xiaoming Li, Qi Yang
Previous investigations showed that cationic polyacrylamide (cPAM), a flocculant widely used in wastewater pretreatment and waste activated sludge dewatering, deteriorated methane production during anaerobic digestion of sludge. However, details of how cPAM affects methane production are poorly understood, hindering deep control of sludge anaerobic digestion systems. In this study, the mechanisms of cPAM affecting sludge anaerobic digestion were investigated in batch and long-term tests using either real sludge or synthetic wastewaters as the digestion substrates...
December 5, 2017: Water Research
https://www.readbyqxmd.com/read/29238885/peanut-cake-can-replace-soybean-meal-in-supplements-for-lactating-cows-without-affecting-production
#20
Carina Anunciação Santos Dias, Adriana Regina Bagaldo, Weiler Giacomaza Cerutti, Analívia Martins Barbosa, Gleidson Giordano Pinto de Carvalho, Emellinne Ingrid Souza Costa, Leilson Rocha Bezerra, Ronaldo Lopes Oliveira
This study evaluated the total replacement of soybean meal with peanut cake in the concentrate supplement of lactating cows grazing. Eight crossbred 5/8 Holstein × 3/8 Zebu cows between the 45th and 60th day of lactation and 507 ± 35 kg BW were distributed in a 4 × 4 double Latin square design with four levels of peanut cake (0, 110, 220, and 330 g/kg of the dry matter-DM) as a replacement of soybean meal in the concentrate supplement. The intake of pasture, total (pasture + concentrate), crude protein (CP), neutral detergent fiber (NDF), total digestible nutrients, and digestibility of the DM, CP, ether extract (EE), and NDF was not affected by the replacement of soybean meal with peanut cake...
December 13, 2017: Tropical Animal Health and Production
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