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wheat bran

Jiahuang Li, Junfei Sun, Bin Wu, Bingfang He
To decrease d-Lactate production cost, wheat bran, a low-cost waste of milling industry, was selected as the sole feedstock. First, the nutrients were recovered from wheat bran by acid protease hydrolysis. Then, cellulosic hydrolysates were prepared from protease-treated samples after acid pretreatment and enzymatic saccharification. The combined use of nutrients and hydrolysates as nitrogen and carbon sources for fermentation by S. inulinus YB1-5 resulted in d-Lactate levels of 99.5g/L, with an average production efficiency of 1...
December 30, 2016: Bioresource Technology
Induck Choi, Chon-Sik Kang, Choon-Kee Lee, Sun-Lim Kim
Whole grain wheat flour (WGWF) is the entire grain (bran, endosperm, and germ) milled to make flour. The WGWF of 31 Korean wheat (Triticum aestivum L.) cultivars were analyzed for the chemical compositions, and classified into groups by hierarchical cluster analysis (HCL). The average composition values showed a substantial variation among wheat varieties due to different wheat varieties. Wheat cv. Shinmichal1 (waxy wheat) had the highest ash, lipid, and total dietary fiber contents of 1.76, 3.14, and 15.49 g/100 g, respectively...
December 2016: Preventive Nutrition and Food Science
Takenobu Ogawa, Shuji Adachi
Cracks are formed during the drying process of spaghetti production, which reduces its commercial value and quality; hence, it is very important to detect the cracks during the manufacturing process of dried spaghetti. However, the presence of mottles, originating from wheat bran, hinders automatic identification of cracks. In this study, we developed a simple method to detect the cracks induced in spaghetti using a digital camera. The cracks and mottles were distinguished by pixelating the transmission light image of the spaghetti and analyzing the image based on the geometric characteristics in the histogram consisting of all the pixels...
January 9, 2017: Bioscience, Biotechnology, and Biochemistry
Yibo Yao, Tao Suo, Roland Andersson, Yongqing Cao, Chen Wang, Jingen Lu, Evelyne Chui
BACKGROUND: This is an update of the Cochrane review published in 2002.Colorectal cancer (CRC) is a major cause of morbidity and mortality in industrialised countries. Experimental evidence has supported the hypothesis that dietary fibre may protect against the development of CRC, although epidemiologic data have been inconclusive. OBJECTIVES: To assess the effect of dietary fibre on the recurrence of colorectal adenomatous polyps in people with a known history of adenomatous polyps and on the incidence of CRC compared to placebo...
January 8, 2017: Cochrane Database of Systematic Reviews
Abdalla Ali Salim, Sanja Grbavčić, Nataša Šekuljica, Andrea Stefanović, Sonja Jakovetić Tanasković, Nevena Luković, Zorica Knežević-Jugović
Study on potential of different agro-industrial waste residues for supporting the growth of newly isolated Bacillus sp. TMF-1 strain under solid-state fermentation (SSF) was conducted aiming to produce several industrially valuable enzymes. Since the feasibility of the initial study was confirmed, further objectives included evaluation of several pretreatments of the studied agricultural by-products (soybean meal, sunflower meal, maize bran, maize pericarp, olive oil cake and wheat bran) on the microbial productivity as means of enhancing the yields of produced proteases, α-amylases, cellulases and pectinases...
December 24, 2016: Bioresource Technology
K Vermeulen, J Verspreet, C M Courtin, F Haesebrouck, R Ducatelle, F Van Immerseel
Feed additives, including prebiotics, are commonly used alternatives to antimicrobial growth promoters to improve gut health and performance in broilers. Wheat bran is a highly concentrated source of (in)soluble fiber which is partly degraded by the gut microbiota. The aim of the present study was to investigate the potential of wheat bran as such to reduce colonization of the cecum and shedding of Salmonella bacteria in vivo. Also, the effect of particle size was evaluated. Bran with an average reduced particle size of 280μm decreased levels of cecal Salmonella colonization and shedding shortly after infection when compared to control groups and groups receiving bran with larger particle sizes...
January 2017: Veterinary Microbiology
Simon Lachance, Justine Shiell, Michele T Guerin, Cynthia Scott-Dupree
Poultry barns provide an ideal breeding environment for Musca domestica L. (Diptera: Muscidae) owing to the controlled temperatures and litter (manure plus bedding material) accumulation. Management techniques that render the litter less suitable for immature stage development, such as the addition of naturally occurring insecticidal substances, could reduce fly infestations. The effectiveness of acetic, boric, and citric acids; diatomaceous earth; and hydrated lime at restricting female landing and growth of house flies in duck litter was evaluated...
December 28, 2016: Journal of Economic Entomology
Johanna Rytioja, Kristiina Hildén, Marcos Di Falco, Miaomiao Zhou, Maria Victoria Aguilar-Pontes, Outi-Maaria Sietiö, Adrian Tsang, Ronald P de Vries, Miia R Mäkelä
The ability to obtain carbon and energy is a major requirement to exist in any environment. For several ascomycete fungi (post-)genomic analyses have shown that species that occupy a large variety of habitats possess a diverse enzymatic machinery, while species with a specific habitat have a more focused enzyme repertoire that is well-adapted to the prevailing substrate. White-rot basidiomycete fungi also live in a specific habitat, as they are found exclusively in wood. In this study, we evaluated how well the enzymatic machinery of the white-rot fungus Dichomitus squalens is tailored to degrade its natural wood substrate...
December 28, 2016: Environmental Microbiology
Peng Hui Cheng, Juan Boo Liang, Yin Bao Wu, Yan Wang, Vincenzo Tufarelli, Vito Laudadio, Xin Di Liao
Native Lantang and commercial Duroc pigs were used as animal models to evaluate the differences existing in dietary fiber utilization ability between breeds. Animals were fed the same diet from weaning (4 weeks) to 4 months of age. Neutral detergent fiber (NDF) from wheat bran (as substrate) and fecal samples from the two breeds (as inoculum) were used in an in vitro gas production trial. Results showed that cumulative and maximum gas productions were higher in inocula from Lantang than those from the Duroc breed (P < 0...
December 27, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
Natalia V Beloglazova, Kinga Graniczkowska, Emmanuel Njumbe Ediage, Olga Averkieva, Sarah De Saeger
An easy-to-operate membrane-based flow-through test for multiplex screening of four mycotoxins (zearalenone, deoxynivalenol, aflatoxin B1, and ochratoxin A) in a variety of cereal based feed ingredients and compound feed, such as wheat, barley, soybean, wheat bran, rice, rice bran, maize, rapeseed meal, sunflower meal and various types of complete feed (ducklings feed, swine feed, broiler feed, piglet feed) was developed and validated. First, the antibodies were evaluated by enzyme-linked immunosorbent assay, then employed in the membrane rapid test...
December 25, 2016: Journal of Agricultural and Food Chemistry
Kamila de Sousa Gomes, Gabriela P Maitan-Alfenas, Lorena G A de Andrade, Daniel Luciano Falkoski, Valéria Monteze Guimarães, Acelino C Alfenas, Sebastião Tavares de Rezende
Xylanases from the pathogen fungus Chrysoporthe cubensis were produced under solid state fermentation (SSF) using wheat bran as carbon source. The enzymatic extracts were submitted to ion exchange (Q Sepharose) and gel filtration chromatography methods (Sephadex S-200) for purification. The xylanases were divided into three groups: P1 showed better performance at 60 °C and pH 4.0, P2 at 55 °C and pH 3.0, and P3 at 80 °C and pH 3.0. Oat spelt xylan was the best substrate hydrolyzed by P1 and P3, while beechwood xylan was better degraded by P2...
December 24, 2016: Applied Biochemistry and Biotechnology
Xiaolong Han, Wenxia Song, Guodong Liu, Zhonghai Li, Piao Yang, Yinbo Qu
Medium optimization and repeated fed-batch fermentation were performed to improve the cellulase productivity by P. oxalicum RE-10 in submerged fermentation. First, Plackett-Burman design (PBD) and central composite design (CCD) were used to optimize the medium for cellulase production. PBD demonstrated wheat bran and NaNO3 had significant influences on cellulase production. The CCD results showed the maximum filter paper activity (FPA) production of 8.61U/mL could be achieved in Erlenmeyer flasks. The maximal FPA reached 12...
March 2017: Bioresource Technology
Takumi Kawaguchi, Takato Ueno, Yoichi Nogata, Masako Hayakawa, Hironori Koga, Takuji Torimura
Whole-wheat intake is known to reduce the risk of metabolic syndrome. However, the active component remains unclear. Recently, we identified bioactive peptides [leucine-arginine-proline (LRP) and leucine-glutamine‑proline (LQP)] from wheat bran autolytic hydrolysate. The present study aimed to investigate the effects of LRP and LQP on non-alcoholic steatohepatitis (NASH) in a mouse model. We also evaluated the effects of these peptides on oxidative stress and on the AMP-activated protein kinase (AMPK) signaling pathway, two major pathogenic factors of NASH...
December 14, 2016: International Journal of Molecular Medicine
Rwivoo Baruah, Ndegwa H Maina, Kati Katina, Riikka Juvonen, Arun Goyal
Weissella cibaria RBA12 isolated from pummelo from Northeast India produces a dextran composed of 97% α-(1→6) linkages in the main chain and 3% α-(1→3) branched linkages. The in vitro prebiotic activity of dextran-RBA12 was explored. Dextran-RBA12 displayed enhanced growth of probiotic Bifidobacterium and Lactobacillus spp., and controlled growth of non-probiotic enteric bacteria. Dextran-RBA12 showed superior resistance to physiological barriers with a maximum hydrolysis of 0.51%, 0.31% and 0.24% by artificial gastric juice, α-amylase and intestinal fluid, respectively, whereas compared to maximum hydrolysis of 25...
February 2, 2017: International Journal of Food Microbiology
Manel Boudabbous, Ines Ben Hmad, Walid Saibi, Mariem Mssawra, Hafedh Belghith, Ali Gargouri
An extracellular β-glucosidase from Fusaruim solani cultivated on wheat bran was purified by only two chromatographic steps. The purified enzyme exhibited optimal temperature and pH at 60 °C and pH 5, respectively. The purified β-glucosidase behaves as a very large protein due to its high degree of glycosylation. More interestingly, the endoglycosidase H (Endo H) treatment led to 97.55% loss of its initial activity after 24 h of treatment. Besides, the addition of Tunicamycin (nucleoside antibiotic blocking the N-glycosylation first step) during the culture of the fungus affected seriously the glycosylation of the enzyme...
December 17, 2016: Bioprocess and Biosystems Engineering
Ying Liang, Li Zhu, Han Ding, Minjie Gao, Zhiyong Zheng, Jianrong Wu, Xiaobei Zhan
A coupled fermentation system of Agrobacterium sp. ATCC 31749 and Trichoderma harzianum GIM 3.442 (AT-CFS) with wheat bran as the optimal nitrogen source was established for producing low-molecular-weight curdlan with high production, which can potentially reduce the cost of low-molecular-weight curdlan biosynthesis. The initial inoculate ratio, pH and the fermentation time were optimized. Compared with the curdlan from the single fermentation system of Agrobacterium sp. ATCC 31749 (A-SFS), the molecular weight (Mw) of the curdlan produced from AT-CFS decreased by 34...
February 10, 2017: Carbohydrate Polymers
Ana Clariza Samayoa, Wei-Ting Chen, Shaw-Yhi Hwang
: The black soldier fly, Hermetia illucens (L.) (Diptera: Stratiomyidae), was reared on artificial diet (wheat bran and chicken feed) in the laboratory at 28ºC (immature stages) and under a greenhouse set at 28ºC (adults). Data were collected and analyzed based on an age-stage, two-sex life table. The intrinsic rate of increase (r), finite rate of increase (λ), net reproduction rate (R0), and mean generation time (T) were 0.0759 (d(-1)), 1.0759 (d(-1)), 68.225 offspring, and 55.635 d, respectively...
December 2016: Journal of Economic Entomology
Caleigh M Sawicki, Diane L McKay, Nicola M McKeown, Gerard Dallal, C -Y Oliver Chen, Jeffrey B Blumberg
While dietary fiber plays an important role in the health benefits associated with whole grain consumption, other ingredients concentrated in the outer bran layer, including alkylresorcinols, lignans, phenolic acids, phytosterols, and tocols, may also contribute to these outcomes. To determine the acute bioavailability and pharmacokinetics of the major phytochemicals found in barley and oats, we conducted a randomized, three-way crossover trial in 13 healthy subjects, aged 40-70 years with a body mass index (BMI) of 27-35...
December 15, 2016: Nutrients
Sirma Yegin
An extracellular xylanase from Aureobasidium pullulans NRRL Y-2311-1 produced on wheat bran was purified by a single-step chromatographic procedure. The enzyme had a molecular weight of 21.6kDa. The optimum pH and temperature for xylanase activity were 4.0 and 30-50°C, respectively. The enzyme was stable in the pH range of 3.0-8.0. The inactivation energy of the enzyme was calculated as 218kJmol(-1). The xylanase was ethanol tolerant and kept complete activity in the presence of 10% ethanol. Likewise, it retained almost complete activity at a concentration range of 0-20% NaCl...
April 15, 2017: Food Chemistry
Maura N Laus, Mario Soccio, Michela Alfarano, Antonella Pasqualone, Marcello S Lenucci, Giuseppe Di Miceli, Donato Pastore
Effectiveness in improving serum antioxidant status of two functional pastas was evaluated by the novel Antioxidant/Oxidant Balance (AOB) parameter, calculated as Antioxidant Capacity (AC)/Peroxide Level ratio, assessed here for the first time. In particular, Bran Oleoresin (BO) and Bran Water (BW) pastas, enriched respectively with either lipophilic (tocochromanols, carotenoids) or hydrophilic/phenolic antioxidants extracted from durum wheat bran, were studied. Notably, BO pasta was able to improve significantly (+65%) serum AOB during four hours after intake similarly to Lisosan G, a wheat antioxidant-rich dietary supplement...
April 15, 2017: Food Chemistry
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