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https://www.readbyqxmd.com/read/28494094/effect-of-different-extrusion-parameters-on-dietary-fiber-in-wheat-bran-and-rye-bran
#1
Annica A M Andersson, R Andersson, Anette Jonsäll, Jörgen Andersson, Helena Fredriksson
Wheat bran and rye bran are mostly used as animal feed today, but their high content of dietary fiber and bioactive components are beneficial to human health. Increased use of bran as food raw material could therefore be desirable. However, bran mainly contains unextractable dietary fiber and deteriorates the sensory properties of products. Processing by extrusion could increase the extractability of dietary fiber and increase the sensory qualities of bran products. Wheat bran and rye bran were therefore extruded at different levels of moisture content, screw speed and temperature, in order to find the optimal setting for increased extractability of dietary fiber and positive sensory properties...
May 11, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28488139/optimization-of-lipase-production-by-solid-state-fermentation-of-olive-pomace-from-flask-to-laboratory-scale-packed-bed-bioreactor
#2
Felisbela Oliveira, José Manuel Salgado, Luís Abrunhosa, Noelia Pérez-Rodríguez, José M Domínguez, Armando Venâncio, Isabel Belo
Lipases are versatile catalysts with many applications and can be produced by solid-state fermentation (SSF) using agro-industrial wastes. The aim of this work was to maximize the production of Aspergillus ibericus lipase under SSF of olive pomace (OP) and wheat bran (WB), evaluating the effect on lipase production of C/N ratio, lipids, phenols, content of sugars of substrates and nitrogen source addition. Moreover, the implementation of the SSF process in a packed-bed bioreactor and the improvement of lipase extraction conditions were assessed...
May 9, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28481273/agronomic-approach-of-zinc-biofortification-can-increase-zinc-bioavailability-in-wheat-flour-and-thereby-reduce-zinc-deficiency-in-humans
#3
Dunyi Liu, Yumin Liu, Wei Zhang, Xinping Chen, Chunqin Zou
Zinc (Zn) deficiency is a common disorder of humans in developing countries. The effect of Zn biofortification (via application of six rates of Zn fertilizer to soil) on Zn bioavailability in wheat grain and flour and its impacts on human health was evaluated. Zn bioavailability was estimated with a trivariate model that included Zn homeostasis in the human intestine. As the rate of Zn fertilization increased, the Zn concentration increased in all flour fractions, but the percentages of Zn in standard flour (25%) and bran (75%) relative to total grain Zn were constant...
May 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28464102/effects-of-feeding-different-levels-of-dried-orange-pulp-and-recycled-poultry-bedding-on-the-performance-of-fattening-lambs
#4
Z Tadayon, Y Rouzbehan, J Rezaei
The effects of dietary feeding different levels of recycled poultry bedding (RPB) and dried orange pulp (DOP) on the performance of fattening Shal lambs (initial BW of 28 ± 2.2 kg) were assessed using a factorial experiment (2 × 3) with a completely randomized design. Six diets, containing different levels of RPB (0 or 160 g/kg of DM) and DOP (0, 110, or 220 g/kg of DM), were randomly assigned to 6 groups of 6 lambs each for a 74-d period (14 d for adaptation and 60 d for data collection). Diets were offered as total mixed ration to ensure 10% of orts...
April 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28460904/salivary-concentration-of-n-acylethanolamines-upon-food-mastication-and-after-meal-consumption-influence-of-food-dietary-fiber
#5
Xianghui Kong, Rosalia Ferracane, Lucia De Luca, Paola Vitaglione
The primary objective of this study was to evaluate the impact of the amount and type of food dietary fiber on salivary concentrations of N-acylethanolamines (NAEs) and glucose upon food mastication and in the post-prandial phase. Three types of biscuits enriched with 3% barley β-glucan (βGB) or whole-wheat bran (WWBB) or without dietary fiber (control, CB) were developed. A crossover randomized human study was carried out by collecting saliva samples from eighteen healthy and fasting participants in a resting condition, upon mastication of parafilm and one of the three biscuits...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28456046/maximization-of-monomeric-c5-sugars-from-wheat-bran-by-using-mesoporous-ordered-silica-catalysts
#6
Nuria Sánchez-Bastardo, Esther Alonso
The hydrolysis process of a real fraction of arabinoxylans derived from wheat bran was studied. The influence of catalyst type and loading, reaction time and different metal cations were discussed in terms of the hydrolysis yield of arabinose and xylose oligomers as well as the formation of furfural as degradation product. A high yield of arabinoxylans into the corresponding monomeric sugars (96 and 94% from arabino- and xylo-oligosaccharides, respectively) was obtained at relatively high temperatures (180°C) and short reaction times (15min) with a catalyst loading of 4...
April 20, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28417422/selection-of-an-artificial-diet-for-laboratory-rearing-of-opogona-sacchari-lepidoptera-tineidae-bojer-1856
#7
A Coelho, J M Milanez, R de Andrade Moral, C G B Demétrio, J R P Parra
The banana moth Opogona sacchari (Bojer) (Lepidoptera: Tineidae) is a polyphagous pest that can cause serious damage, in particular to banana crops in southern Brazil. The insect is a quarantine pest in several countries, including Argentina, the main consumer market for bananas from southern Brazil. Little information is available about the biology and ecology of this moth, such as a suitable diet for laboratory rearing. In order to provide support for integrated pest management of the pest, this study furnished data for selecting two diets suitable for continuous laboratory rearing of O...
April 17, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28407589/transport-of-anionic-azo-dyes-from-aqueous-solution-to-gemini-surfactant-modified-wheat-bran-synchrotron-infrared-molecular-interaction-and-adsorption-studies
#8
Yan Zhang, Guohe Huang, Chunjiang An, Xiaying Xin, Xia Liu, Maya Raman, Yao Yao, Wenxia Wang, Mukesh Doble
From the view of economic efficiency and technology sustainability, biomass adsorbent has a high potential for pollution control. In the present study, the performance of gemini 12-2-12 surfactant-modified wheat bran (MWB) for the removal of anionic azo dyes from aqueous solution was investigated. A new insight was gained into the modification mechanism through synchrotron-assisted infrared analysis and molecular interaction simulation. The equilibrium and kinetic studies for the adsorption of Acid Red 18 (AR-18), Acid Orange 7 (AO-7) and Acid Black 1 (AB-1) on MWB were conducted...
October 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28395821/interactions-between-soluble-dietary-fibers-and-wheat-gluten-in-dough-studied-by-confocal-laser-scanning-microscopy
#9
Qian Li, Rui Liu, Tao Wu, Min Zhang
Four soluble dietary fiber (SDF) fractions characterized by major components of AXs, relatively narrow molecular weight distribution, different substituted ratio, and structure-sensitive parameter (ρ) were prepared from wheat bran. The fractions were added to wheat dough to determine the interactions between the dough's network and the SDF fractions relative to their physicochemical characteristics. Furthermore, a comprehensive study focusing on the dough texture characteristic, tensile properties, thermodynamic stability, and the microstructure was conducted by performing texture profile analysis (TPA), differential scanning calorimetry (DSC), and confocal laser scanning microscopy (CLSM) experiments...
May 2017: Food Research International
https://www.readbyqxmd.com/read/28391735/diet-derived-changes-by-sourdough-fermented-rye-bread-in-exhaled-breath-aspiration-ion-mobility-spectrometry-profiles-in-individuals-with-mild-gastrointestinal-symptoms
#10
Kaisa Raninen, Jenni Lappi, Mikko Kolehmainen, Marjukka Kolehmainen, Hannu Mykkänen, Kaisa Poutanen, Olavi Raatikainen
The potential of utilising exhaled breath volatile organic compound (VOC) profiles in studying diet-derived metabolic changes was examined. After a four-week initial diet period with white wheat bread (WW), seven participants received in randomised order high-fibre diets containing sourdough whole grain rye bread (WGR) or white wheat bread enriched with bioprocessed rye bran (WW + BRB), both for 4 weeks. Alveolar exhaled breath samples were analysed with ChemPro(®)100i analyser (Environics OY, Mikkeli, Finland) at the end of each diet period in fasting state and after a standardised meal...
April 9, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28389982/the-assessment-and-the-farmers-perceived-ranking-of-feed-resources-and-coping-strategies-with-feed-scarcity-in-smallholder-dairy-farming-in-selected-district-towns-of-jimma-zone-ethiopia
#11
Belay Duguma, Veronique Dermauw, Geert Janssens
Inadequate quantity and quality of feed resources are major constraints limiting milk production and reproductive performance of dairy cattle in Ethiopia. The aim of this study was to assess dairy cattle feed resources, feeding practices, the farmers' perceived ranking of feed resources, causes of feed shortage, and coping strategies to feed scarcity in smallholder dairy system in selected district towns of Jimma Zone, Ethiopia. Data were obtained by interviewing 52 randomly selected smallholder dairy farmers using structured questionnaires and through direct observations...
April 8, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28367709/the-microbial-fermentation-characteristics-depend-on-both-carbohydrate-source-and-heat-processing-a-model-experiment-with-ileo-cannulated-pigs
#12
Tina Skau Nielsen, Henry Jørgensen, Knud Erik Bach Knudsen, Helle Nygaard Lærke
The effects of carbohydrate (CHO) source and processing (extrusion cooking) on large intestinal fermentation products were studied in ileo-cannulated pigs as a model for humans. Pigs were fed diets containing barley, pea or a mixture of potato starch:wheat bran (PSWB) either raw or extrusion cooked. Extrusion cooking reduced the amount of starch fermented in the large intestine by 52-96% depending on the CHO source and the total pool of butyrate in the distal small intestine + large intestine by on average 60% across diets...
April 2, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28366693/cellulase-production-through-solid-state-tray-fermentation-and-its-use-for-bioethanol-from-sorghum-stover
#13
Ayman Salih Omer Idris, Ashok Pandey, S S Rao, Rajeev K Sukumaran
The production of cellulase by Trichoderma reesei RUT C-30 under solid-state fermentation (SSF) on wheat bran and cellulose was optimized employing a two stage statistical design of experiments. Optimization of process parameters resulted in a 3.2-fold increase in CMCase production to 959.53IU/gDS. The process was evaluated at pilot scale in tray fermenters and yielded 457IU/gDS using the lab conditions and indicating possibility for further improvement. The cellulase could effectively hydrolyze alkali pretreated sorghum stover and addition of Aspergillus niger β-glucosidase improved the hydrolytic efficiency 174%, indicating the potential to use this blend for effective saccharification of sorghum stover biomass...
March 20, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28361237/valorization-of-spent-oyster-mushroom-substrate-and-laccase-recovery-through-successive-solid-state-cultivation-of-pleurotus-ganoderma-and-lentinula-strains
#14
Christina N Economou, Panagiota A Diamantopoulou, Antonios N Philippoussis
Spent mushroom substrate (SMS) of Pleurotus ostreatus was supplemented with wheat bran and soybean flour in various proportions to obtain C/N ratios of 10, 20, and 30, and their effect was evaluated in successive cultivation of Pleurotus ostreatus, Pleurotus pulmonarius, Ganoderma adspersum, Ganoderma resinaceum, and Lentinula edodes strains with respect to mycelium growth rate, biomass concentration, recovery of the enzyme laccase and crude exopolysaccharides, and also with additional fruiting body production...
March 30, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28342612/can-by-products-replace-conventional-ingredients-in-concentrate-of-dairy-goat-diet
#15
M Romero-Huelva, M A Ramírez-Fenosa, R Planelles-González, P García-Casado, E Molina-Alcaide
Intensive dairy goat production in the Mediterranean basin is based on imported conventional ingredients to be included in concentrates. Fourteen Murciano-Granadina goats in the middle of the third lactation were allocated into 2 groups of 7 animals each fed, respectively, a control diet based on alfalfa hay and concentrate in a 40:60 ratio, and a diet in which the concentrate included tomato fruits, citrus pulp, brewer's grain and brewer's yeast (T100CBY) to study the effect of diet on nutrient utilization, ruminal fermentation, purine derivatives excretion in urine, milk yield and composition, and methane emissions...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28339968/optimization-of-dietary-zinc-for-egg-production-and-antioxidant-capacity-in-chinese-egg-laying-ducks-fed-a-diet-based-on-corn-wheat-bran-and-soybean-meal
#16
W Chen, S Wang, H X Zhang, D Ruan, W G Xia, Y Y Cui, C T Zheng, Y C Lin
The aim of this study was to evaluate the effect of zinc supplementation on productive performance and antioxidant status in laying ducks. Five-hundred-four laying ducks were divided into 7 treatments, each containing 6 replicates of 12 ducks. The ducks were caged individually and fed a corn-soybean meal and wheat bran basal diet (37 mg Zn/kg) or the basal diet supplemented with 15, 30, 45, 60, 75, or 90 mg Zn/kg (as zinc sulfate). During the early laying period of 10 d (daily egg production <80%), egg production, daily egg mass, and FCR increased quadratically with increasing dietary Zn levels (P < 0...
March 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/28334872/hplc-dad-fld-method-for-simultaneous-determination-of-mycotoxins-in-wheat-bran
#17
Maria N Irakli, Adriana Skendi, Maria D Papageorgiou
Aflatoxins, deoxynivalenol, ochratoxin A and zearalenone are the most important mycotoxins that everyone on its own, in groups or simultaneously contaminate cereals. The external layers of cereal grains (bran) apart from health promoting ingredients are also the most contaminated part with reference to mycotoxin's presence. Therefore, consumption of a high fiber wheat-based diet represent an increased risk to consumer's health. The objective of this study was to develop a simple and reliable high performance liquid chromatography method for the simultaneous determination of these mycotoxins in wheat bran (WB)...
March 18, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28330332/response-surface-methodology-based-optimization-of-production-media-and-purification-of-%C3%AE-galactosidase-in-solid-state-fermentation-by-fusarium-moniliforme-ncim-1099
#18
Sanjivani B Gajdhane, Prashant K Bhagwat, Padma B Dandge
Response surface methodology was used to enhance the production of α-galactosidase from Fusarium moniliforme NCIM 1099 in solid-state fermentation. Plackett-Burman design was employed for selection of critical media constituents which were optimized by central composite rotatable design. Wheat bran, peptone and FeSO4·7H2O were identified as significant medium components using PB design. Further CCRD optimized medium components as wheat bran; 4.62 μg, peptone; 315.42 μg, FeSO4·7H2O; 9.04 μg. RSM methodological optimization increased the enzyme production from 13...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330308/construction-of-aspergillus-niger-integrated-with-cellulase-gene-from-ampullaria-gigas-spix-for-improved-enzyme-production-and-saccharification-of-alkaline-pretreated-rice-straw
#19
Peizhou Yang, Haifeng Zhang, Lili Cao, Zhi Zheng, Shaotong Jiang
Aspergillus niger is an important microorganism that has been used for decades to produce extracellular enzymes. In this study, a novel Aspergillus niger strain integrated with a eukaryotic expression vector harboring the gpd-Shi promoter of shiitake mushrooms and cellulase gene of Ampullaria gigas Spix was engineered to improve cellulase production for the achievement of highly efficient saccharification of agricultural residues. In one strain, designated ACShi27, which exhibited the highest total cellulase expression, total cellulase, endoglucanase, exoglucanase, and xylanase expression levels were 1...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330274/evaluation-of-some-lignocellulosic-byproducts-of-food-industry-for-microbial-xylitol-production-by-candida-tropicalis
#20
Kubra Eryasar, Seda Karasu-Yalcin
Some lignocellulosic food byproducts such as potato peels, wheat bran, barley bran and chestnut shells were evaluated as potential sources of xylose for microbial xylitol production by yeasts. Potential yeast strains were selected after screening xylitol production of some indigenous yeasts in a defined fermentation medium. Candida tropicalis strains gave the highest results with 83.28 and 54.07 g/L xylitol production from 100 g/L xylose. Lignocellulosic materials were exposed to acid hydrolysis at different conditions...
December 2016: 3 Biotech
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