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wheat bran

Audrey M Neyrinck, Sophie Hiel, Caroline Bouzin, Vicenta Garcia Campayo, Patrice D Cani, Laure B Bindels, Nathalie M Delzenne
BACKGROUND: Non-digestible carbohydrates present in cereals such as fructans and arabinoxylans represent promising prebiotic nutrients to prevent the development of obesity and related metabolic disorders. OBJECTIVE AND DESIGN:  The aim of this study was to determine the corrective effects of wheat bran-derived arabinoxylan oligosaccharides in obese mice fed a western diet (WD). WD was given for 4 weeks before wheat bran extract (WBE) supplementation (5%) for an additional 4 weeks, whereas a control group received the standard diet...
March 7, 2018: Nutrition & Diabetes
El-Sayed M Abdel-Aal, Pierre Hucl, Iwona Rabalski
Demands for anthocyanin-rich ingredients are steadily growing due to their positive functions in human health and food coloration. Commercially available purple wheat was evaluated as a source of functional ingredients based on anthocyanin composition and antioxidant properties. Anthocyanins were concentrated in the bran fraction by about 2-fold and then the bran was further processed into anthocyanin-rich powder using ethanol extraction and column purification. Batch studies showed that anthocyanin concentration factor increased by about 81- to 135-fold in the powder depending on batch size...
July 15, 2018: Food Chemistry
Huaxing Wu, Nor Adila Mhd Omar, Niclas Håkansson, Alicja Wolk, Karl Michaëlsson, Rikard Landberg
OBJECTIVE: Wheat and rye, the most consumed whole grains (WG) in the Nordic countries, contain alkylresorcinols (AR) in their bran. AR concentrations in human adipose tissue might reflect long-term WG rye and wheat intake. We aimed to evaluate AR concentrations in adipose tissue biopsies as a long-term biomarker of WG wheat and rye intake in free-living Swedish men and women. DESIGN: Cross-sectional study. AR concentrations in adipose tissue biopsies were analysed and compared with long-term WG intake assessed by three FFQ (repeated over a period of 14 years in men, 17 years in women) and with plasma AR concentrations...
March 16, 2018: Public Health Nutrition
Davood Mazaheri, Seyed Abbas Shojaosadati, Seyed Morteza Zamir, Seyyed Mohammad Mousavi
In this work, mathematical modelling of ethanol production in solid-state fermentation (SSF) has been done based on the variation in the dry weight of solid medium. This method was previously used for mathematical modelling of enzyme production, however, the model should be modified to predict the production of a volatile compound like ethanol. The experimental results of bioethanol production from the mixture of carob pods and wheat bran by Zymomonas mobilis in SSF were used for the model validation. Exponential and logistic kinetic models were used for modelling the growth of microorganism...
March 6, 2018: Preparative Biochemistry & Biotechnology
Daniele Merli, Barbara Mannucci, Federico Bassetti, Federica Corana, Marco Falchetto, Anna R Malacrida, Giuliano Gasperi, Francesca Scolari
The Mediterranean fruit fly (medfly) Ceratitis capitata is a polyphagous pest of fruits and crops with a worldwide distribution. Its ability to use different larval hosts may have multiple effects, including impacts on adult reproductive biology. The male sex pheromone, which plays a key role in attracting both other males to lekking arenas and females for mating, is a mixture of chemical compounds including esters, acids, alkanes and terpenes known to differ between laboratory strains and wild-type populations...
March 5, 2018: Journal of Chemical Ecology
S Hemdane, N A Langenaeken, P J Jacobs, J Verspreet, J A Delcour, C M Courtin
This study investigates the effect of the physical presence and water binding of wheat bran during bread making, and the possible mechanisms behind this effect. Regular bran, pericarp-enriched bran and synthetic bran-like particles with different water binding capacities and particle sizes were used. Incorporation of regular and pericarp-enriched bran in dough (15% dm) led to a lower oven rise than the control dough. Bread volumes decreased with 11% and 30%, respectively. Dough with synthetic bran, having a low water binding capacity, displayed a near to normal leavening and oven rise and resulted in a bread volume decrease of only 5% compared to the control...
July 1, 2018: Food Chemistry
Lin Lei, Jingnan Chen, Yuwei Liu, Lijun Wang, Guohua Zhao, Zhen-Yu Chen
Rice bran oil (RBO) possesses a plasma cholesterol-lowering activity, while effect of wheat bran oil (WBO) on plasma cholesterol remains unknown. The present study compared the cholesterol-lowering activity of WBO with that of RBO in hamsters. Fifty-four male hamsters were divided into seven groups fed either a noncholesterol diet (NCD) or one of six high-cholesterol diets, namely HCD diet (0.2% cholesterol +9.5% lard), HCD+C diet (0.2% cholesterol +9.5% lard +0.5% cholestyramine), WL diet (0.2% cholesterol +4...
March 9, 2018: Journal of Agricultural and Food Chemistry
Denbela Hidosa, Adugna Tolera, Ajebu Nurfeta
An experiment was conducted to evaluate the effect of lablab and pigeon pea leaf supplementation on feed intake, digestibility, weight gain, and carcass characteristics of goats fed a basal diet of haricot bean haulms. Thirty-two yearling intact male goats with an average initial body weight of 14.4 ± 1.04 kg (Means ± SD) were assigned to one of the four treatments in a randomized complete block design. The dietary treatments were 17.5% lablab + 17.5% pigeon pea leaf + 63% wheat bran (T1), 35% pigeon leaf + 63% wheat bran (T2), 35% lablab leaf + 63% wheat bran (T3), and 88% wheat bran + 10% noug seed cake (T4)...
March 2, 2018: Tropical Animal Health and Production
Sayed Saad Smuda, Sobhy Mohamed Mohsen, Karsten Olsen, Mohamed Hassan Aly
The present study was performed to evaluate the phytochemicals profiles of some cereal milling by-products such as wheat (bran, germ and shorts), rice (bran, germ and husk) and corn (bran, germ and germ meal) to assess their potentiality as bioactive compounds sources. Distilled water, ethanol, methanol, and acetone separately were used as solvents for the extraction of phytochemicals compounds. The antioxidant activity (AOA), total phenolics content (TPC), and total flavonoids content (TFC) of the extracts were investigated using various in vitro assays...
March 2018: Journal of Food Science and Technology
Mariana B Osuna, Ana M Romero, Carmen M Avallone, María A Judis, Nora C Bertola
The improvement of fatty acids (FA) profile of bread made with bovine fat (BF) and a mixture of flours completely replacing fat with canola oil (CO), or olive oil (OO) was evaluated. Technological and sensory characteristics and overall acceptability of the fortified breads were also studied. The results showed a decrease in saturated FA and a relative increase in monounsaturated and polyunsaturated FA compared to bread made with BF. Regarding CO, this caused the higher increase in n3 FA. This effect was maximized in bread made from the mixture of wheat flour (WF) + flaxseed flour (FF) + soybean flour (SF)...
March 2018: Journal of Food Science and Technology
Nancy Coconi Linares, Francisco Fernández, Achim M Loske, Miguel A Gómez-Lim
Ligninolytic enzyme production and lignin degradation are typically the rate-limiting steps in the biofuel industry. To improve the efficiency of simultaneous bio-delignification and enzyme production, Phanerochaete chrysosporium was transformed by shock wave-induced acoustic cavitation to co-overexpress 3 peroxidases and 1 laccase and test it on the degradation of sugarcane bagasse and wheat bran. Lignin depolymerization was enhanced by up to 25% in the presence of recombinant fungi in comparison with the wild-type strain...
February 27, 2018: Journal of Molecular Microbiology and Biotechnology
Antonia Terpou, Loulouda Bosnea, Maria Kanellaki, Stavros Plessas, Argyro Bekatorou, Eugenia Bezirtzoglou, Athanasios A Koutinas
In this study, a novel potential probiotic strain Lactobacillus paracasei K5, previously isolated from traditional Greek Feta cheese and kefir grains, was evaluated as an adjunct culture for industrial white brined cheese production. Targeting industrial applications, apart from free cell cultures, a novel ready-to-use freeze-dried immobilized biocatalyst was prepared. The biocatalyst composed of L. paracasei K5 cells immobilized on delignified wheat bran prebiotic carrier and was freeze-dried without cryoprotectants...
February 23, 2018: Journal of Food Science
Karolina Oszust, Jacek Panek, Giorgia Pertile, Anna Siczek, Marta Oleszek, Magdalena Frąc
Although fungi that belong to Petriella genus are considered to be favorable agents in the process of microbial decomposition or as plant endophytes, they may simultaneously become plant pests. Hence, nutrition factors are supposed to play an important role. Therefore, it was hypothesized that Petriella setifera compost isolates, precultured on three different waste-based media containing oak sawdust, beet pulp (BP) and wheat bran (WB) will subsequently reveal different metabolic properties and shifts in genetic fingerprinting...
2018: Frontiers in Microbiology
Tesfaye Negewo, Solomon Melaku, Bimrew Asmare, Adugna Tolera
The experiment was conducted using 20 yearling intact male Arsi-Bale sheep with a mean body weight of 20.56 ± 0.45 (mean ± SD) to investigate the performance and economic benefit of graded levels of concentrate supplementation to urea-treated maize cob (UTMC)-based diet. The experiment consisted of 7 days of digestibility trial and subsequent 90 days of feeding trial. Before the commencement of the experiment, sheep were vaccinated against common infectious diseases, dewormed, and disinfected against internal and external parasites, respectively...
February 21, 2018: Tropical Animal Health and Production
Sindhu Mathew, Anna Aronsson, Eva Nordberg Karlsson, Patrick Adlercreutz
Xylooligosaccharides (XOS) and arabinoxylooligosaccharides (AXOS) were produced from the insoluble arabinoxylan fraction of pretreated wheat bran by endoxylanases. The glycoside hydrolase (GH) family 10 xylanases GsXyn10A from Geobacillus stearothermophilus and RmXyn10A-CM from Rhodothermus marinus produced the AXOS A 3 X, A 2 XX and A 2 + 3 XX in addition to XOS. RmXyn10A-CM also produced XA 2 + 3 XX due to its non-conserved aglycone region accommodating additional arabinose substitutions in subsite +2. The GH11 enzymes, Pentopan from Thermomyces lanuginosus and NpXyn11A from Neocallimastix patriciarum had minor structural differences affecting hydrogen bonds in subsites -3 and +3, with similar hydrolysis profiles producing XA 3 XX as major AXOS and minor amounts of XA 2 XX but different ratios of X 3 /X 2 ...
February 14, 2018: Applied Microbiology and Biotechnology
Long Chen, Wei Gu, Hai-Yan Xu, Gui-Lian Yang, Xiao-Feng Shan, Guang Chen, Chun-Feng Wang, Ai-Dong Qian
Bacillus velezensis 157 was isolated from the bark of Eucommia ulmoides , and exhibited antagonistic activity against a broad spectrum of pathogenic bacteria and fungi. Moreover, B. velezensis 157 also showed various lignocellulolytic activities including cellulase, xylanase, α-amylase, and pectinase, which had the ability of using the agro-industrial waste (soybean meal, wheat bran, sugarcane bagasse, wheat straw, rice husk, maize flour and maize straw) under solid-state fermentation and obtained several industrially valuable enzymes...
February 2018: 3 Biotech
Michael Reisinger, Özge Tirpanalan, Suwattana Pruksasri, Wolfgang Kneifel, Senad Novalin
BACKGROUND: The disintegration of destarched wheat bran in water and sulphuric acid (pH 3) under subcritical conditions (275-300 °C) and at short reaction times (1-4 min) was investigated. A cascade process comprising a stepwise separation of the liquid was applied to reduce the formation of undesired degradation products. RESULTS: The highest degree of biomass disintegration (67% dry mass solubilization) was achieved by application of a cascade process at 275 °C (pH 3)...
February 10, 2018: Journal of the Science of Food and Agriculture
Kevin D'hoe, Lorenza Conterno, Francesca Fava, Gwen Falony, Sara Vieira-Silva, Joan Vermeiren, Kieran Tuohy, Jeroen Raes
Wheat bran fibers are considered beneficial to human health through their impact on gut microbiota composition and activity. Here, we assessed the prebiotic potential of selected bran fractions by performing a series of fecal slurry anaerobic fermentation experiments using aleurone as well as total, ultrafine, and soluble wheat bran (swb) as carbon sources. By combining amplicon-based community profiling with a fluorescent in situ hybridization (FISH) approach, we found that incubation conditions favor the growth of Proteobacteria such as Escherichia and Bilophila...
2018: Frontiers in Microbiology
Verônica S Nishida, Roselene F de Oliveira, Tatiane Brugnari, Rúbia Carvalho G Correa, Rosely A Peralta, Rafael Castoldi, Cristina G M de Souza, Adelar Bracht, Rosane M Peralta
In this work, a β-glucosidase of Aspergillus awamori with a molecular weight of 180 kDa was produced in solid-state cultures using a mixture of pineapple crown leaves and wheat bran. Maximum production of the enzyme (820 ± 30 U/g substrate) was obtained after 8 days of culture at 28 °C and initial moisture of 80%. The crude enzyme was efficiently immobilized on glutaraldehyde cross-linked commercial gelatin. Immobilization changed the kinetics of the enzyme, whose behavior could no longer be described by a saturation function of the Michaelis-Menten type...
February 2, 2018: International Journal of Biological Macromolecules
Chengfei Huang, Ping Li, Xiao Kang Ma, Neil William Jaworski, Hans Henrik Stein, Chang Hua Lai, Jin Biao Zhao, Shuai Zhang
Objective: An experiment was conducted to investigate the effects of different diet formulations: F1 (Two complicated basal diets containing different CP levels plus tested feedstuff) vs F2 (A simple corn soybean meal basal diet plus tested feedstuff) combined with total collection (TC) or chromic oxide (Cr2O3) marker or acid-insoluble ash (AIA) marker method, and freeze-dry (FD) or oven-dry (OD) technique on estimation of nutrient digestibility in diets fed to growing pigs. Methods: In F1, twelve barrows were allocated to two 6 × 4 Youden Squares...
January 26, 2018: Asian-Australasian Journal of Animal Sciences
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