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wheat bran

Yongsheng Chen, Ruiting Zhang, Chong Liu, Xueling Zheng, Benguo Liu
The effect of steam flash explosion (SFE), a green processing technology, on the phenolic composition, antioxidant activity and antiproliferation to HepG2 of wheat bran was investigated. Moderate SFE treatment significantly enhanced the total soluble phenolic content of wheat bran. After SFE pretreatment, the free and conjugated ferulic acid content in the wheat bran were significantly increased. Antioxidant activities of SFE treated wheat bran were higher than those untreated wheat bran. The cellular antioxidant and antiproliferative activities of SFE treated wheat bran were also significantly ameliorated...
July 2016: Journal of Food Science and Technology
Taiala Cristina de Jesus Pereira, Mara Lúcia Albuquerque Pereira, Jeruzia Vitória Moreira, José Augusto Gomes Azevêdo, Ronan Batista, Vanderlúcia Fonseca de Paula, Brena Santos Oliveira, Edileusa de Jesus Dos Santos
The objective of this study was to evaluate the effects of alkaloid extracts of Prosopis juliflora (Sw.) D.C. pods obtained by two extraction methods as compared with sodium monensin on the gas production kinetic, mitigation of methane, and rumen fermentation products using wheat bran or Tifton 85 hay as substrates, by the semi-automatic in vitro gas production technique. A completely randomized design was adopted, and two natural additives were tested made from mesquite pod (alkaloid extract I and alkaloid extract II) at three levels (3...
October 18, 2016: Environmental Science and Pollution Research International
Qian Li, Rui Liu, Tao Wu, Min Zhang
Six soluble dietary fiber (SDF) fractions were prepared via stepwise ethanol precipitation from natural and fermented wheat bran. The chemical composition, molecular weight distribution, glycosidic linkage and substitution pattern of the SDF fractions were elucidated by sugar analysis, periodate oxidation and Smith degradation, molecular determination, and 1H nuclear magnetic resonance (NMR) analysis. The impacts of SDF fractions on the rheological properties and morphologies of doughs were investigated by farinography, rheometry and scanning electron microscopy (SEM) to clarify the relationship between the microstructural features of SDF fractions and the macroscopic properties of SDF-containing doughs...
October 17, 2016: Journal of Agricultural and Food Chemistry
Neha Basotra, Baljit Kaur, Marcos Di Falco, Adrian Tsang, Bhupinder Singh Chadha
Mycothermus thermophilus (Syn. Scytalidium thermophilum/Humicola insolens), a thermophilic fungus, is being reported to produce appreciable titers of cellulases and hemicellulases during shake flask culturing on cellulose/wheat-bran/rice straw based production medium. The sequential and differential expression profile of endoglucanases, β-glucosidases, cellobiohydrolases and xylanases using zymography was studied. Mass spectrometry analysis of secretome (Q-TOF LC/MS) revealed a total of 240 proteins with 92 CAZymes of which 62 glycosyl hydrolases belonging to 30 different families were present...
October 8, 2016: Bioresource Technology
Debkumar Chakraborty, Baljinder Kaur, Karthikeyan Obulisamy, Ammaiyappan Selvam, Jonathan W C Wong
Owing to its flavoring, antimicrobial, antioxidant and anticarcinogenic nature, vanillin is widely used in foods, beverages, perfumes and pharmaceutical products. Ferulic acid (FA) is an important precursor of vanillin which is abundant in cereals like maize, rice and wheat and sugar beet. A major drawback of microbial vanillin production from FA is the degradation and biotransformation of toxic vanillin to other phenolic derivatives. The present study is undertaken to explore microbial vanillin production from FA precursor rice bran by employing vanillin-resistant Pediococcus acidilactici BD16, a natural lactic acid bacteria isolate...
October 13, 2016: Environmental Technology
Alex Fernando de Almeida, Kleydiane Braga Dias, Ana Carolina Cerri da Silva, César Rafael Fanchini Terrasan, Sâmia Maria Tauk-Tornisielo, Eleonora Cano Carmona
The aims of this work were to establish improved conditions for lipase production by Candida viswanathii using agroindustrial wastes in solid-state cultivation and to purify and evaluate the application of this enzyme for poultry fat hydrolysis. Mixed wheat bran plus spent barley grain (1 : 1, w/w) supplemented with 25.0% (w/w) olive oil increased the lipase production to 322.4%, compared to the initial conditions. When olive oil was replaced by poultry fat, the highest lipase production found at 40% (w/w) was 31...
2016: Enzyme Research
Niklas Wolters, Christoph Schabronath, Gerhard Schembecker, Juliane Merz
Brewer's spent grain (BSG) and wheat bran (WB) are industrial byproducts that accumulate in millions of tons per year and are typically applied as animal feed. Since both byproducts show a great potential as substrates for fermentation, the approach developed in this study consists of utilizing these lignocellulosic byproducts for biomass production of the medicinal fungus Hericium erinaceus through submerged cultivation. To increase the biological efficiency of the bioconversion, acidic pretreatment was applied yielding a bioconversion of 38...
October 1, 2016: Bioresource Technology
Fabrício Rocha Vieira, Meire Cristina Nogueira de Andrade
In recent years, oyster mushroom (Pleurotus ostreatus) has become one of the most cultivated mushrooms in the world, mainly in Brazil. Among many factors involved in a mushroom production, substrate preparation is the most critical step, which can be influenced by composting management techniques. Looking forward to optimizing the substrate preparation process, were tested different composting conditions (7 and 14 days of composting with or without conditioning), potential raw materials (decumbens grass, brizantha grass and sugarcane straw) and nitrogen supplementation (with or without wheat bran) on oyster mushroom yield and biological efficiency (BE)...
November 2016: World Journal of Microbiology & Biotechnology
Mi Jeong Kim, Won-Jin Yoon, Sang Sook Kim
The purpose of this study was to investigate the phytochemical compositions and antioxidant capacity, cell growth inhibition, and apoptosis induction in extracts of immature wheat bran. Immature wheat bran (IWB) was obtained from immature wheat harvested 10 days earlier than mature wheat. The phytochemical compositions of bran extract samples were analyzed by ultra-high performance liquid chromatography. The total ferulic acid (3.09 mg/g) and p-coumaric acid (75 µg/g) in IWB were significantly higher than in mature wheat bran (MWB, ferulic acid: 1...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Emily F Fleischman, Ryan J Kowalski, Craig F Morris, Thuy Nguyen, Chongjun Li, Girish Ganjyal, Carolyn F Ross
Wheat represents a ubiquitous commodity and although industries valorize 10% of wheat bran, most of this antioxidant-rich byproduct gets fed to livestock. The objective of this study was to incorporate wheat bran into an extruded snack. Bran samples from hard red spring, soft white club cv. Bruehl, and purple wheat lines were added to cv. Waxy-Pen wheat flour (Triticum aestivum L.) at replacement concentrations of 0%, 12.5%, 25%, and 37.5% (w/w; n = 10). Extrudates were evaluated for antioxidant capacity, color, and physical properties...
September 28, 2016: Journal of Food Science
Johnson W McRorie, William D Chey
BACKGROUND: Misconceptions about the effects of dietary fiber and 'functional' fiber on stool parameters and constipation persist in the literature. METHODS: A comprehensive literature review was conducted with the use of the Scopus and PubMed scientific databases to identify and objectively assess well-controlled clinical studies that evaluated the effects of fiber on stool parameters and constipation. RESULTS: The totality of well-controlled randomized clinical studies show that, to exert a laxative effect, fiber must: (1) resist fermentation to remain intact throughout the large bowel and present in stool, and (2) significantly increase stool water content and stool output, resulting in soft/bulky/easy-to-pass stools...
November 2016: Digestive Diseases and Sciences
Rui Tang, Feng Zhang, N'Golopé Kone, Jing-Hua Chen, Fen Zhu, Ri-Chou Han, Chao-Liang Lei, Marc Kenis, Ling-Qiao Huang, Chen-Zhu Wang
Oviposition attractants for the house fly Musca domestica have been investigated using electrophysiological tests, behavioural assays and field tests. Volatiles were collected via head space absorption method from fermented wheat bran, fresh wheat bran, rearing substrate residue and house fly maggots. A Y-tube olfactometer assay showed that the odor of fermented wheat bran was a significant attractant for female house flies. Bioactive compounds from fermented wheat bran for house fly females were identified by electrophysiology and mass spectrophotometry and confirmed with standard chemicals...
September 26, 2016: Scientific Reports
Amparo Jiménez-Quero, Eric Pollet, Minjie Zhao, Eric Marchioni, Luc Averous, Vincent Phalip
The production of high-value chemicals from natural resources as alternative of petroleum-based products is currently expanding in parallel with biorefinery. The use of lignocellulosic biomass as raw material is promising to achieve economic and environmental sustainability. Filamentous fungi, particularly Aspergillus species, are already used industrially to produce organic acid as well as many enzymes. The production of lignocellulose degrading enzymes opens the possibility for direct fungal fermentation towards organic acids as itaconic and fumaric acids...
September 23, 2016: Journal of Microbiology and Biotechnology
Hui-Min Zhao, Xiao-Na Guo, Ke-Xue Zhu
To improve the nutritional, physical and flavor properties of wheat bran, yeast and lactic acid bacteria (LAB) were used for fermenting wheat bran in solid state. Appearance properties, nutritional properties, microstructure, hydration properties and flavor of raw bran and fermented bran were evaluated. After treatments, water extractable arabinoxylans were 3-4 times higher than in raw bran. Total dietary fiber and soluble dietary fiber increased after solid state fermentation. Over 20% of phytic acid was degraded...
February 15, 2017: Food Chemistry
Yang Qiao, Huan He, Zeyu Zhang, Zhangping Liao, Dong Yin, Dan Liu, Bo Yi, Ming He
Ferulic acid is a polyphenolic compound contained in various types of fruits and wheat bran. As a salt of the active ingredient, sodium ferulate (SF) has potent free radical scavenging activity and can effectively scavenge ROS. In this study, we examined the effect of SF on iron-overloaded mice in comparison to a standard antioxidant, taurine (TAU). We determined the protective role of SF against liver injury by examining liver-to-body ratio (%), transaminase and hepatocyte apoptosis in rats supplied with 10% dextrose intraperitoneal injection...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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 28°C (immature stages) and under a greenhouse set at 28°C (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. The maximum reproductive value of females occurred at 54 d...
September 11, 2016: Journal of Economic Entomology
Neelamegam Annamalai, Nallusamy Sivakumar
The increasing global demand for sustainable resources necessitates the complete utilization of feedstock. Wheat bran consists of significant amount of cellulose and hemicellulose which can be used as a renewable resource for production of fermentable sugars. In this study, alkaline pretreated wheat bran was enzymatically hydrolyzed using cellulase of Trichoderma reesei (37 FPU/g) and β - glucosidase of Aspergillus niger (50 CBU/g). Among the nitrogen sources tested, ammonium sulphate was identified as best nitrogen source for the production of polyhydroxybutyrate (PHB)...
November 10, 2016: Journal of Biotechnology
Feng Xu, Zhiming Li, Yu Liu, Chengbo Rong, Shouxian Wang
In this study, the mycelial growth rate, mycelial colonization time, yield, and biological efficiency of the edible mushroom Oudemansiella canarii were determined, and the effects of different substrate combinations on productivity, chemical contents and amino acids were evaluated. Lignocellulosic wastes, such as cottonseed hull, sawdust, corncob, and their combinations supplemented with 18% wheat bran and 2% lime, were used for the cultivation of O. canarii. The biological efficiency (BE) and essential amino acid content of treatment T1, which consisted of 80% cottonseed hull, were the highest among all the tested treatments...
September 2016: Saudi Journal of Biological Sciences
Annabel Nieter, Sebastian Kelle, Diana Linke, Ralf G Berger
Agro-industrial side-streams are abundant and renewable resources of hydroxycinnamic acids with potential applications as antioxidants and preservatives in the food, health, cosmetic, and pharmaceutical industries. Feruloyl esterases (FAEs) from Schizophyllum commune were functionally expressed in Pichia pastoris with extracellular activities of 6000UL(-1). The recombinant enzymes, ScFaeD1 and ScFaeD2, released ferulic acid from destarched wheat bran and sugar beet pectin. Overnight incubation of coffee pulp released caffeic (>60%), ferulic (>80%) and p-coumaric acid (100%) indicating applicability for the valorization of food processing wastes and enhanced biomass degradation...
November 2016: Bioresource Technology
Lizzy A Mwamburi
Beauveria bassiana is the most widely studied and exploited entomopathogen. The development of a suitable formulation for B. bassiana is a critical component in aiding the entomopathogen germinate and infect the host. In addition to being economical to produce, having high residual activity, it is also important that the formulation is easy to handle, stable during storage, and convenient to mix and apply and be consistently effective in controlling the target pest.In this chapter we describe preparation of experimental formulations of conidia of B...
2016: Methods in Molecular Biology
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