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Search Results: 1 - 10 of 403782 matches for " Karina Jara M "
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ACEPTABILIDAD DE SOPAS DESHIDRATADAS DE LEGUMINOSAS ADICIONADAS DE REALZADORES DEL SABOR (UMAMI) ACCEPTABILITY OF DEHYDRATED LEGUME SOUPS WITH THE ADDITION OF FLAVOR ENHANCERS (UMAMI)
Fernando Garrido B,Karina Jara M,Emma Wittig de Penna R,Marta Dondero C
Revista Chilena de Nutricíon , 2009,
Abstract: Se evaluó el efecto realzador del sabor del glutamato monosódico (GMS) y su acción sinergista con 5'-ribonucleótidos: inosinato monofosfato (IMP) y guanilato monofosfato (GMP), cuando se adicionaron a sopas deshidratadas de lentejas y arvejas. Se elaboraron 4 formulaciones para cada sopa, la primera formulación correspondió al control con su nivel de GMS original, las siguientes formulaciones contaron con distintas concentraciones y mezclas de estos realzadores (6% GMS; 6% GMS mas 0,26%IMPy 0,6 GMS mas 0,12% IMP-GMP). Se utilizó la evaluación sensorial de Escala Hedónica Gráfica, con una escala de 1 al 5, donde 1: representa "la carita más disgustada" y 5: "la más feliz". Treinta adultos mayores determinaron la formulación más aceptada. La sopa de lentejas con 6% de GMS mas 0,12% de IMP-GMP fue la que tuvo mayor aceptación, mientras que para la sopa de arvejas fue aquella que contenía 6% de GMS más 0,26% de IMP. Por tanto, se pudo demostrar la efectividad de la acción sinergista entre el GMS y los 5'-ribonucleótidos, al mejorar las aceptación de las formulaciones evaluadas. The enhancer effect of glutamate monosodium (MSG) flavor was evaluated and its synergistic action with 5'-ribonucleotides: ionone rib nucleotides 5'-monophosphate (IMP) and guano sine monophosphate (GMP) in dehydrated soups consisting of lentils and peas. Four formulations were developed for both soups: the first was the target with the original level of MSG, the following had different concentrations and mixtures of these enhancers (6% MSG; 6% MSG and 0.26% IMP; 0.6 MSG and 0.12% IMP-GMP). A five-.point Graphic Hedonic Scale test was used, where 1 represented ìthe most upset face and 5 represented ìthe happiest face . The most accepted soup was selected by thirty elderly adults. The lentils soup with 0,6 MSG and 0J2% IMP-GMP and the pea's soup with 6% MSG and 0.26%IMP obtained the greatest level of acceptance. So, the effectiveness of the synergistic action between the MSG and 5'-ribonucleotides was demonstrated, because they can improve the acceptance of the evaluated formulation.
Current and density fluctuations for interacting particle systems with anomalous diffusive behavior
M. Jara
Mathematics , 2009,
Abstract: We prove density and current fluctuations for two examples of symmetric, interacting particle systems with anomalous diffusive behavior: the zero-range process with long jumps and the zero-range process with degenerated bond disorder. As an application, we obtain subdiffusive behavior of a tagged particle in a simple exclusion process with variable diffusion coefficient.
Hydrodynamic limit of particle systems with long jumps
M. Jara
Mathematics , 2008,
Abstract: We consider some interacting particle processes with long-range dynamics: the zero-range and exclusion processes with long jumps. We prove that the hydrodynamic limit of these processes corresponds to a (possibly non-linear) fractional heat equation. The scaling in this case is superdiffusive. In addition, we discuss a central limit theorem for a tagged particle on the zero-range process and existence and uniqueness of solutions of the Cauchy problem for the fractional heat equation.
Hydrodynamic limit for a zero-range process in the Sierpinski gasket
M. Jara
Mathematics , 2008, DOI: 10.1007/s00220-009-0746-z
Abstract: We prove that the hydrodynamic limit of a zero-range process evolving in graphs approximating the Sierpinski gasket is given by a nonlinear heat equation. We also prove existence and uniqueness of the hydrodynamic equation by considering a finite-difference scheme.
ACEPTABILIDAD DE SOPAS DESHIDRATADAS DE LEGUMINOSAS ADICIONADAS DE REALZADORES DEL SABOR (UMAMI)
Garrido B,Fernando; Jara M,Karina; Wittig de Penna R,Emma; Dondero C,Marta; Mendoza G,Silvia; González Z,Stephany;
Revista chilena de nutrición , 2009, DOI: 10.4067/S0717-75182009000400007
Abstract: the enhancer effect of glutamate monosodium (msg) flavor was evaluated and its synergistic action with 5'-ribonucleotides: ionone rib nucleotides 5'-monophosphate (imp) and guano sine monophosphate (gmp) in dehydrated soups consisting of lentils and peas. four formulations were developed for both soups: the first was the target with the original level of msg, the following had different concentrations and mixtures of these enhancers (6% msg; 6% msg and 0.26% imp; 0.6 msg and 0.12% imp-gmp). a five-.point graphic hedonic scale test was used, where 1 represented ìthe most upset face? and 5 represented ìthe happiest face?. the most accepted soup was selected by thirty elderly adults. the lentils soup with 0,6 msg and 0j2% imp-gmp and the pea's soup with 6% msg and 0.26%imp obtained the greatest level of acceptance. so, the effectiveness of the synergistic action between the msg and 5'-ribonucleotides was demonstrated, because they can improve the acceptance of the evaluated formulation.
Regularization by noise and stochastic Burgers equations
M. Gubinelli,M. Jara
Mathematics , 2012,
Abstract: We study a generalized 1d periodic SPDE of Burgers type: $$ \partial_t u =- A^\theta u + \partial_x u^2 + A^{\theta/2} \xi $$ where $\theta > 1/2$, $-A$ is the 1d Laplacian, $\xi$ is a space-time white noise and the initial condition $u_0$ is taken to be (space) white noise. We introduce a notion of weak solution for this equation in the stationary setting. For these solutions we point out how the noise provide a regularizing effect allowing to prove existence and suitable estimates when $\theta>1/2$. When $\theta>5/4$ we obtain pathwise uniqueness. We discuss the use of the same method to study different approximations of the same equation and for a model of stationary 2d stochastic Navier-Stokes evolution.
Revision of constitutive models for repairing bridge columns with fiber polymers
H Hernández, JM Jara, M Jara
International Journal of Engineering, Science and Technology , 2011,
Abstract: Federal Highway Network in Mexico has 7,230 bridges. More than two third parts were built in the period of 1960 to 1970 without considering in their design seismic loads or using design spectra with small amplitudes. The use of Fiber Reinforced Polymers (FRP) is a plausible alternative for retrofitting columns that have suffered some type of damage during a seismic event. In this paper, models of confinement with purpose of application in repairing damage of circular columns of bridges are analyzed. When evaluating different expressions for the confinement thickness of FRP in columns, a great dispersion exists. Each author of the revised models endorses analytically and experimentally its results, but for practical applications it is difficult to determine the appropriate model to be used.
Equilibrium fluctuations for the zero-range process on the Sierpinski gasket
M. D. Jara
Mathematics , 2006,
Abstract: We obtain the equilibrium fluctuations for the empirical density of particles for the zero-range process in the Sierpinski gasket. The limiting process is a generalized Ornstein-Uhlenbeck process generated by the Neumann Laplacian and its corresponding Dirichlet form on the gasket.
Quenched nonequilibrium central limit theorem for a tagged particle in the exclusion process with bond disorder
M. D. Jara,C. Landim
Mathematics , 2006,
Abstract: For a sequence of i.i.d. random variables $\{\xi_x : x\in \bb Z\}$ bounded above and below by strictly positive finite constants, consider the nearest-neighbor one-dimensional simple exclusion process in which a particle at $x$ (resp. $x+1$) jumps to $x+1$ (resp. $x$) at rate $\xi_x$. We examine a quenched nonequilibrium central limit theorem for the position of a tagged particle in the exclusion process with bond disorder $\{\xi_x : x\in \bb Z\}$. We prove that the position of the tagged particle converges under diffusive scaling to a Gaussian process if the other particles are initially distributed according to a Bernoulli product measure associated to a smooth profile $\rho_0:\bb R\to [0,1]$.
Scaling limits for gradient systems in random environment
P. Goncalves,M. D. Jara
Mathematics , 2007, DOI: 10.1007/s10955-008-9509-z
Abstract: For interacting particle systems that satisfies the gradient condition, the hydrodynamic limit and the equilibrium fluctuations are well known. We prove that under the presence of a symmetric random environment, these scaling limits also hold for almost every choice of the environment, with homogenized coefficients that does not depend on the particular realization of the random environment.
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