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Maike Föste, Mario Jekle, Thomas Becker
Bran is a promising ingredient for nutritional fortification in starch-based dough systems. However its incorporation is a technological challenge favoring a shift in dough functionality. The objective of this study was to elucidate the impact of bran on baking performance independent of dough firmness and start of gelatinization. Therefore, corn starch was replaced by quinoa bran (10% to 50%) and water addition (80-110g/100g flour) was standardized on a fixed complex shear modulus (G*) and start of gelatinization (TOnset) based on a corn starch reference dough...
October 15, 2017: Carbohydrate Polymers
Zongqi Shou, Haiping Yuan, Yanwen Shen, Jiayun Liang, Nanwen Zhu, Lin Gu
This study investigated the effect of ferric nitrate on mitigating the inhibition of volatile fatty acids (VFAs) during the initial phase of sewage sludge composting amended with rice bran. During the 34-day lab-scale composting, the supplementation of ferric nitrate enhanced the degradation of VFAs by up to 3 times as compared to the control. The organic matters loss (OML) rate in the treatment reactor was almost doubled with supplementation of ferric nitrate as compared to the control reactor during the initial phase...
August 5, 2017: Bioresource Technology
C J Schneider, B L Nuttelman, A L Shreck, D B Burken, W A Griffin, J L Gramkow, R A Stock, T J Klopfenstein, G E Erickson
Four experiments evaluated the use of a complete starter feed (RAMP; Cargill Corn Milling, Blair, NE) for grain adaptation. In Exp. 1, 229 yearling steers (397 ± 28.4 kg BW) were used to compare a traditional adaptation program (CON) with adapting cattle with RAMP in either a 1- (RAMP-1RS) or 2- (RAMP-2RS) ration system. From d 23 to slaughter, cattle were fed a common finishing diet. In Exp. 2, 390 yearling steers (341 ± 14 kg BW) were used to compare accelerated grain adaptation programs with RAMP with 2 control treatments where RAMP was blended with a finishing diet containing either 25 (CON25) or 47...
August 2017: Journal of Animal Science
T P F Cabral, N C Bellini, K R Assis, C C C Teixeira, A D Lanchote, H Cabral, L A P de Freitas
The aim of this work was to obtain microencapsulated stable Aspergillus niger peptidases by post fermentation spray drying. The enzymatic extract was evaluated before and after spray drying microencapsulation to verify the effects of five different process parameters on the extract enzymatic activity, i.e. air flow, extract feed rate, drying temperature, homogenizing time and weight ratio of extract to encapsulation material. The optimal conditions were determined by desirability functions and experimentally confirmed...
August 14, 2017: Journal of Microencapsulation
Md Mofijur Rahman, Mohammad Golam Rasul, Nur Md Sayeed Hassan, Abul Kalam Azad, Md Nasir Uddin
This paper aims to investigate the effect of the addition of 5% alcohol (butanol) with biodiesel-diesel blends on the performance, emissions, and combustion of a naturally aspirated four stroke multi-cylinder diesel engine at different engine speeds (1200 to 2400 rpm) under full load conditions. Three types of local Australian biodiesel, namely macadamia biodiesel (MB), rice bran biodiesel (RB), and waste cooking oil biodiesel (WCB), were used for this study, and the data was compared with results for conventional diesel fuel (B0)...
August 12, 2017: Environmental Science and Pollution Research International
Jianrong Wu, Jingbo Zhang, Panpan Wang, Li Zhu, Minjie Gao, Zhiyong Zheng, Xiaobei Zhan
Foaming problem and cost of substrate limit the commercial application of rhamnolipids, a potential biosurfactant produced by Pseudomonas aeruginosa. We explored the production of rhamnolipids by a semi-solid-state (SSS) fermentation strategy with glycerol as carbon source and rapeseed/wheat bran as matrix, along with the capacity of the produced rhamnolipids to solubilize lead and cadmium in aqueous solution. Structural analysis by MALDI-TOF MS indicated the increased proportion of mono-rhamnolipids from SSS fermentation...
August 12, 2017: Bioprocess and Biosystems Engineering
L Campos Muñoz, A Fueyo Casado, E López Bran
No abstract text is available yet for this article.
August 9, 2017: Actas Dermo-sifiliográficas
Diana Linke, Stephanie J L Riemer, Silke Schimanski, Annabel Nieter, Ulrich Krings, Ralf G Berger
A decarboxylase (IfPAD) from the ascomycete Isaria farinosa converted ferulic acid to 4-vinylguaiacol (4-VG), a volatile which imparts the distinct "smoke flavor" of pyrolized wood. The activity was enhanced by adding (E)-ferulic acid to the culture medium and peaked with 3.6 U g(-1) mycelium (1 μmol 4-VG min(-1)). The coding sequence of 543 bp was translated into a 25 kDa protein with a homology of 91 % to putative phenolic acid decarboxylases of its teleomorph, Cordyceps militaris, and Beauveria bassiana, the anamorph of Cordyceps bassiana...
September 2017: Fungal Biology
Himanshu S Shukla, Amit Pratap
The present work deals with comparison of microwave assisted extraction to that of conventional solvent extraction for the extraction of rice bran oil (RBO); focusing on extraction yield and oil composition. Microwave assisted extraction act as a green process over other method and proved that it is effective method for extraction of oil. The investigation also focuses on the study of functional group and component present in oil. Natural antioxidant component; its activity was confirmed by DPPH assay. The oryzanol content was also determined by measuring the optical density of the sample at 315 nm in n-heptane using UV visible spectrophotometer...
August 8, 2017: Journal of Oleo Science
Ursula Kehlet, Josephine Kofod, Jens J Holst, Christian Ritz, Margit D Aaslyng, Anne Raben
Background: The development of high-protein, fiber-rich foods targeting appetite control could be an efficient tool in obesity prevention.Objectives: We investigated whether ad libitum energy intake (EI), appetite, and metabolic markers in a meal context were affected by 1) fiber addition (rye bran and pea fiber) to pork meatballs, 2) the food matrix of the fiber (fiber meatballs compared with fiber bread), or 3) the protein source (animal compared with vegetable protein patties).Methods: In a crossover design, 40 healthy men [mean ± SD: body mass index (BMI; in kg/m(2)), 22...
August 9, 2017: Journal of Nutrition
Robert M Kwee, Wouter Am Broos, Boudewijn Brans, Geert Him Walenkamp, Jan Geurts, René E Weijers
Background The diagnosis of infected hip prosthesis is frequently not straightforward yet very important as it changes treatment. Purpose To retrospectively investigate the added value of 18F-FDG PET/CT to conventional tests including radiography, erythrocyte sedimentation rate (ESR)/C-reactive protein (CRP) testing, and joint aspiration, in diagnosing infected hip prosthesis. Material and Methods Seventy-eight hip prostheses of 78 patients (55% men; mean age = 66.5 years; age range = 30-85 years) with non-specific clinical presentation, i...
January 1, 2017: Acta Radiologica
Taeyong Eom, Hyun-Deok Cho, Junghyun Kim, Mihee Park, Jinyoung An, Moosung Kim, Sheen-Hee Kim, Sang Beom Han
A simple and rapid method for the simultaneous determination of eleven mycotoxins-aflatoxins B1, B2, G1, and G2; fumonisins B1, B2, and B3; ochratoxin A; zearalenone; deoxynivalenol; and T-2 toxin-in edible oils was established using liquid chromatography tandem mass spectrometry (LC-MS/MS). In this study, QuEChERS, QuEChERS with dispersive liquid-liquid microextraction, and solvent extraction were examined for sample preparation. Among these methods, solvent extraction with a mixture of formic acid/acetonitrile (5/95, v/v) successfully extracted all target mycotoxins...
August 7, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Jun Xia, Rongqing Li, Aiyong He, Jiaxing Xu, Xiaoyan Liu, Xiangqian Li, Jiming Xu
Poly(β-l-malic acid) (PMA) production by Aureobasidium pullulans HA-4D was carried out through solid-state fermentation (SSF) using agro-industrial residues. Maximum PMA production (75.4mg/g substrate) was obtained from a mixed substrate of sweet potato residue and wheat bran (1:1, w/w) supplemented with NaNO3 (0.8%, w/w) and CaCO3 (2%, w/w), with an initial moisture content of 70% and inoculum size of 13% (v/w) for 8days. Repeated-batch SSF was successfully conducted for 5 cycles with a high productivity...
July 27, 2017: Bioresource Technology
Farhan M Bhat, Charanjit S Riar
The antioxidative compounds were extracted by ultrasonic treatment of bran extracts of seven pigmented (completely) and non pigmented (sparsely) colored rice cultivars followed by assessment of their in vitro antioxidative capacity by LC-MS and oxidation/reduction assay based methods. A total of 40-compounds, 7-phenolic, 9-flavonoids, 9-hydroxycinammic acid derivatives, 3-hydroxybenzoic acid derivatives and other glucosides specifically, pro-anthocyanidin trimer and procyanidin-B1 (dimer) were indentified in completely colored rice cultivars...
December 15, 2017: Food Chemistry
Peng Wu, Renpan Deng, Xuee Wu, Yong Wang, Zhizhong Dong, Sushil Dhital, Xiao Dong Chen
The changes in physical, rheological and enzyme-digestive behaviours of cooked white and brown rice, with similar amylose content, were investigated using a dynamic in vitro rat stomach (DIVRS) model and a static soaking method. The brown rice had a higher resistance on disintegration and lower gastric emptying rate with 53% of the brown rice particles retained in the stomach at the end compared to 32% for the white rice. Furthermore, the release rate of maltose from the starch hydrolysis was higher in the white rice throughout the digestion suggesting the lower glycemic potency of the brown rice...
December 15, 2017: Food Chemistry
Min Min, Craig R Bunt, Susan L Mason, Grant N Bennett, Malik A Hussain
The viability of probiotics in non-dairy food products during storage is required to meet content criteria for probiotic products. This study investigated whether non-dairy foods could be matrices for probiotics. Selected probiotic bacteria were coated on non-dairy foods under two storage conditions, and viabilities were assessed. The non-dairy foods were coated with 5-7 log cfu g(-1) of Lactobacillus acidophilus ATCC4356(T), Lactobacillus plantarum RC30, and Bifidobacterium longum ATCC15707(T). The coated non-dairy foods were stored at 20 °C and 20% relative humidity (RH) or 30 °C and 50% RH...
August 1, 2017: Microorganisms
Cristina Perez-Ternero, Christian M Werner, Alexander G Nickel, Maria Dolores Herrera, Maria-José Motilva, Michael Böhm, Maria Alvarez de Sotomayor, Ulrich Laufs
The aim of the study was to characterize the vascular effects of rice bran enzymatic extract (RBEE). ApoE-/- mice were fed a high-fat/cholesterol diet (HFD) or HFD supplemented with 5% RBEE for 21 weeks. RBEE prevented development of atherosclerotic plaques and oxidative stress in mouse aorta as well as the down-regulation of markers of mitochondrial biogenesis. Analysis of the bioactive components identified ferulic acid (FA) as responsible component. In healthy human volunteers, FA intake reduced NADPH oxidase activity, superoxide release, apoptosis and necrosis in peripheral blood mononuclear cells...
June 24, 2017: Journal of Nutritional Biochemistry
L G Schneider, T J Klopfenstein, Z R Stromberg, G L Lewis, G E Erickson, R A Moxley, D R Smith
Feeding high levels (≥40% dry matter) of distillers grains may increase the risk for cattle to carry enterohemorrhagic Escherichia coli (EHEC) O157. The mechanism for the increased risk is not known nor whether non-O157 EHEC are similarly affected. Our objective was to test whether the fibre content or other components of modified distillers grains plus solubles (MDGS) affects the probability for cattle to carry EHEC serogroups of public health importance. A 2 × 2 plus 1 factorial treatment arrangement within a randomized block design was utilized...
July 28, 2017: Zoonoses and Public Health
Saber Hasani, Abbas Ali Sari, Ali Heshmati, Mostafa Karami
The aim of this study was to analyze the effect of different amounts of barley bran (0.3%, 0.6%, 0.9%, and 1.2%) on the viability of Lactobacillus acidophilus and the physicochemical and sensory properties of low-fat yogurt during storage period (28 days). Results showed that L. acidophilus number and viscosity in samples containing barley bran was significantly higher than the control group (p < .05). High levels of barley bran (1.2%) decreased sensory prosperity scores and led to viscosity increment; although sensory prosperity scores of samples containing 0...
July 2017: Food Science & Nutrition
Ting Shen, Gongcheng Wang, Long You, Liang Zhang, Haiwei Ren, Weicheng Hu, Qian Qiang, Xinfeng Wang, Lilian Ji, Zhengzhong Gu, Xiangxiang Zhao
Wheat bran-derived polysaccharides have attracted particular attention due to their immunomodulatory effects. However, the molecular mechanisms underlying their functions are poorly understood. The current study was designed to examine the effect of wheat bran polysaccharide (WBP) on RAW 264.7 cells and the underlying signaling pathways, which have not been explored. In addition, we also investigated the immuno-enhancement effects of WBP on cyclophosphamide (CTX)-induced immunosuppression in mice. WBP significantly increased the concentrations of intracellular nitric oxide (NO) and cytokines such as prostaglandin E2 (PGE2) and tumor necrosis factor-α (TNF-α) in RAW 264...
2017: Food & Nutrition Research
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