[NMR paper] Water Dynamics in Whey-Protein-Based Composite Hydrogels by Means of NMR Relaxometry
Water Dynamics in Whey-Protein-Based Composite Hydrogels by Means of NMR Relaxometry
Whey-protein-isolate-based composite hydrogels with encapsulated black carrot (Daucus carota) extract were prepared by heat-induced gelation. The hydrogels were blended with gum tragacanth, pectin and xanthan gum polysaccharides for modulating their properties. ¹H spin-lattice relaxation experiments were performed in a broad frequency range, from 4 kHz to 30 MHz, to obtain insight into the influence of the different polysaccharides and of the presence of black carrot on dynamical properties of...
More...
nmrlearner
Journal club
0
09-29-2021 12:23 PM
[NMR paper] EPR and NMR study of molecular components mobility and organization in goat milk under ultrasound treatment
EPR and NMR study of molecular components mobility and organization in goat milk under ultrasound treatment
The effect of ultrasound treatment on molecular mobility and organization of the main components in raw goat milk was studied by EPR and NMR spectroscopies. NMR relaxation studies showed an increase in the spin-lattice T(1) and spin-spin T(2) relaxation times in goat milk products (cream, anhydrous fat) and change in the diffusion of proton-containing molecules during ultrasound treatment. The diffusion became more uniform and could be rather accurately approximated by one effective...
nmrlearner
Journal club
0
07-27-2021 12:27 PM
Heterogeneity of Network Structures and Water Dynamics in ?-Carrageenan Gels Probed by Nanoparticle Diffusometry #DNPNMR
From The DNP-NMR Blog:
Heterogeneity of Network Structures and Water Dynamics in ?-Carrageenan Gels Probed by Nanoparticle Diffusometry #DNPNMR
Kort, Daan W. de, Erich Schuster, Freek J.M. Hoeben, Ryan Barnes, Meike Emondts, Henk M. Janssen, Niklas Lorén, Songi Han, Henk Van As, and John P.M. van Duynhoven. “Heterogeneity of Network Structures and Water Dynamics in ?-Carrageenan Gels Probed by Nanoparticle Diffusometry.” Langmuir 34, no. 37 (September 18, 2018): 11110–20.
https://doi.org/10.1021/acs.langmuir.8b01052.
nmrlearner
News from NMR blogs
0
11-25-2018 06:02 AM
TD NMR as a method to determine and characterize the water-binding capacity of whey protein microparticles
TD NMR as a method to determine and characterize the water-binding capacity of whey protein microparticles
Publication date: Available online 9 October 2015
Source:Food Hydrocolloids</br>
Author(s): Jorien P.C.M. Peters, Frank J. Vergeldt, Henk Van As, Hannemieke Luyten, Remko M. Boom, Atze Jan van der Goot</br>
Water-binding capacity (WBC) is commonly measured with a centrifugation method in which a sample is hydrated in excess water and the pellet weight after centrifugation defines the WBC. When a dispersion is being analyzed, here containing whey...
nmrlearner
Journal club
0
10-10-2015 06:11 AM
Investigation the effects of protein hydration states on the mobility water and fat in meat batters by LF-NMR technique
Investigation the effects of protein hydration states on the mobility water and fat in meat batters by LF-NMR technique
Publication date: Available online 8 October 2015
Source:LWT - Food Science and Technology</br>
Author(s): Jun-Hua Shao, Ya-Min Deng, Li Song, A. Batur, Na Jia, Deng-Yong Liu</br>
The use of LF-NMR technique for assessing the influence of meat protein hydration states on the mobility water and fat in meat batters was investigated. Three relaxation components, T22 (50 ms), T2b and T21 (lower than 10 ms) were found in meat group and fat...
nmrlearner
Journal club
0
10-09-2015 03:05 AM
Milk fraud: Proteins uncover adulteration with cheaper milk - separationsNOW.com
Milk fraud: Proteins uncover adulteration with cheaper milk - separationsNOW.com
http://www.bionmr.com//t0.gstatic.com/images?q=tbn:ANd9GcTF40U0883BE-H9WwYuqsiyxWd6v-rACgPPQqfsM2Xu4KPduIc0_KIf7JCcYSP9v27JytMSTgGI
separationsNOW.com
<img alt="" height="1" width="1" />
Milk fraud: Proteins uncover adulteration with cheaper milk
separationsNOW.com
In particular, NMR and IR spectroscopy, mass spectrometry, capillary electrophoresis, ELISA and the polymerase chain reaction have been successfully employed. A further technique is 2D gel electrophoresis (2-DE) which has been reported recently...
nmrlearner
Online News
0
12-02-2013 09:36 AM
[NMR paper] NMR relaxation and water self-diffusion studies in whey protein solutions and gels.
NMR relaxation and water self-diffusion studies in whey protein solutions and gels.
Related Articles NMR relaxation and water self-diffusion studies in whey protein solutions and gels.
J Agric Food Chem. 2005 Aug 24;53(17):6784-90
Authors: Colsenet R, Mariette F, Cambert M
The changes in water proton transverse relaxation behavior induced by aggregation of whey proteins are explained in terms of the simple molecular processes of diffusion and chemical exchange. The water self-diffusion coefficient was measured in whey protein solutions and...
nmrlearner
Journal club
0
12-01-2010 06:56 PM
[NMR paper] Stability of beta-galactosidase, a model protein drug, is related to water mobility a
Stability of beta-galactosidase, a model protein drug, is related to water mobility as measured by 17O nuclear magnetic resonance (NMR).
Related Articles Stability of beta-galactosidase, a model protein drug, is related to water mobility as measured by 17O nuclear magnetic resonance (NMR).
Pharm Res. 1993 Jan;10(1):103-8
Authors: Yoshioka S, Aso Y, Izutsu K, Terao T
The inactivation of freeze-dried beta-galactosidase during storage was studied, focusing on the effect of water mobility as measured by the spin-lattice relaxation time, T1, of...
Water mobility and microstructure of acidified milk model gels with added whey protein ingredients - ScienceDirect.com
Linear Mode
