volatile fatty acids
Utilization of Volatile Fatty Acids from Microalgae for the Production of High Added Value Compounds
... Abstract: Volatile Fatty Acids (VFA) are small organic compounds that have attracted much attention lately, due to their use as a carbon source for microorganisms involved in the production of ...
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Predicting Rumen Microbial Population and Volatile Fatty Acids in Growing Rams Fed Avocado Seeds with Orange Peels Meal as Replacement for Guinea Grass
... rumen volatile fatty acids (VFAs) parameters of growing rams fed avocado seeds with orange peels meal as replacement for guinea ...Total volatile fatty acids was significantly (P ...
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Influence of Polyphosphate Hydrolysis on the Degradation of Volatile Fatty Acids (VFAs) in Anaerobic Digestion
... Energy production by anaerobic digestion of animal slurries, sewage sludge, plant residues or wastewater is a major task for a sustainable future development [1]. Digestion connected with biogas production may play a ...
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Extraction of Volatile Fatty Acids from Leachate via Liquid-liquid Extraction and Adsorption Method
... Abstract: Volatile fatty acids (VFAs) are used in wide range of commercially-important ...butyric acids produced from the fermentation of leachate using Clostridium ...
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The Absorption of Volatile Fatty Acids from the Rumen
... Since the weights of the acids absorbed by the rumen are equal, the proportion of propionic acid formed there must be much greater than is indicated by analyses of the rumen contents, bu[r] ...
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The physiological effect of heavy metals and volatile fatty acids on Methanococcus maripaludis S2
... an uncharacterized protein of 197 amino acids belonging to M. maripaludis. Putative conserved domain on this sequence corresponds to the acetate transporter GPR1/ FUN34/SatP evolutionary family belonging to ...
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Quantitative gas chromatographic analysis of volatile fatty acids in spent culture media and body fluids
... The combination of a Carbowax column and pretreatment of spent culture media by molecular sieving with a Dowex column makes it feasible to present quantitative data on VFA production of [r] ...
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Detection of alcohols and volatile fatty acids by head space gas chromatography in identification of anaerobic bacteria
... 4, head-space chromatograms of the standard solution containing alcohols and fatty acids, using FFAP and Porapak Q as stationary phases, are shown together with chromatograms of C.. On t[r] ...
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The Absorption of Volatile Fatty Acids from the Rumen
... While the manuscript was being prepared, Danielli, Hitchcock, Marshall & Phillipson 1945 described a series of experiments from which it was evident that the lower homologues of the fatt[r] ...
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Repellent Effect of Volatile Fatty Acids on Lesser
... group. Letters indicate statistically different groups, Kruskal-Wallis test p<0,05. 3) indicated that all of tested VFAs, which caused statistically significant. 110[r] ...
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Studies on the absorption of volatile fatty acids in calves : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Nutrition at Massey University of Manawatu
... The post-prandial inorease in the VFA conoentration of portal blood following milk feeding ( table 1 1 , fig. 4) in calves in which the oesophageal groove appeared to be functioning bas no t been reported previously. ...
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Anaerobic Baffled Reactor and Hybrid Anaerobic Baffled Reactor Performances Evaluation in Municipal Wastewater Treatment
... of volatile fatty acids (VFA), which release carbonate and bicarbonate, and the production of S-2, which is generated by sulfate bio-reduction ...
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Using bio adhesive and bio inert surfaces to maximize biogas production and influence microbial growth in anaerobic digesters
... Table 2 Specification of substrates and the methane content after anaerobic digestion.19 Table shows the relationship between the fermentable products: volatile fatty acids and methane c[r] ...
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The Effect of Anthocyanins from Purple-fleshed Sweetpotato on in Vitro Fermentation by Rumen Microbial Cultures.
... Effect of Purple-Fleshed Sweetpotato extract and powder on methane, pH, volatile fatty acids, anthocyanin, and total phenolic concentrations after 24hr incubation with rumen fluid cult[r] ...
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Microbial biopolimerization production from Palm Oil Mill Effluent (POME)
... fermentative volatile fatty acids (VFAs) as carbon source to synthesise PHA by activated sludge was carried out to simultaneously reduce the production cost of PHAs and disposal amount of organic ...
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Transintestinal Acetate Transport in a Herbivorous Teleost: Anion Exchange at the Basolateral Membrane
... A transintestinal transport model for volatile fatty acids is proposed in which specific anion antiporters, located on the brush-border and basolateral poles of the cell, exchange lumina[r] ...
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The effect of oral sodium acetate administration on plasma acetate concentration and acid-base state in horses
... Acetate is produced naturally in the horse by hindgut fermentation, and of all the volatile fatty acids, acetate is produced in the greatest quantity [7]. Acetate is a meta- bolic precursor to ...
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Effect of adding linseed oil on in vitro gas and methane production and some fermentation characteristics
... of volatile fatty acids (acetic, propionic, butyric acids) in the rumen liquid of the 80% alfalfa hay with 20% concentrated feed when added LO oil by 0, 70, 140 and 280 micro liters / kg dry ...
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Ammonia, methane, and nitrous oxide emission from pig slurry applied to a pasture in New Zealand
... Ammonia emission from the slurry amended area during the study ( A ) and cumulative NH 3 loss in Leuning samplers and Ferm ( B ), and volatile fatty acids (VFA) ( C ) in the pasture soil[r] ...
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A fast linear predictive adaptive model of packed bed coupled with UASB reactor treating onion waste to produce biofuel
... Background: Agro‑industrial wastes are an energy source for different industries. However, its application has not reached small industries. Previous and current research activities performed on the acidogenic phase of ...
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