Quantitative characterization of food products by two-dimensional D– and – distribution functions in a static gradient

Hürlimann, Martin D.; Burcaw, Lauren M.; Song, Yi‐Qiao

doi:10.1016/j.jcis.2005.10.047

Cited by 120 publications

(87 citation statements)

References 23 publications

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“…These types of measurement are valuable to improve the assignment of multiexponential relaxation behaviour, and to study dynamic processes such as chemical exchange or diffusive exchange. For example, T 2 -T 1 correlation and D-T 2 correlation experiments were performed on dairy products such as milk, yoghurt, cream and cheese [80]. For milk samples, a single peak was observed for both experiments and in that case the 2-D relaxation approach did not provide more information than a 1-D relaxation experiment.…”

Section: Multidimensional Nmr Relaxationmentioning

confidence: 99%

Investigations of food colloids by NMR and MRI

Mariette¹

2009

Current Opinion in Colloid & Interface Science

118

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Since the publication of the ISO method for measurement of solid fat content using NMR relaxation at low field, the application of this technique to the characterisation of food composition and food structure on several length scales has expanded considerably.Improvements in the electronic and computational specifications of NMR spectrometers and the use of more sophisticated signal processing methods have led to several new applications, and NMR, previously recognized as a powerful technique to provide information regarding composition, is now widely used for microstructural investigations. Moreover, MRI applications have in recent years been extended from the medical field to food science and this has opened up new opportunities for the understanding of food. We examine here recent developments in these techniques, including NMR relaxation, multidimensional NMR relaxation, diffusion NMR and MRI.

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Section: Multidimensional Nmr Relaxationmentioning

confidence: 99%

Investigations of food colloids by NMR and MRI

Mariette¹

2009

Current Opinion in Colloid & Interface Science

118

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“…Os experimentos mais usados são os que correlacionam T 1 versus T 2 e T 2 versus difusão. Para maiores informações sobre esses experimentos e aplicações, ver Hürlimann et al (2006) 26 e Song et al (2002) 27 .…”

Section: Experimentos Bidimensionais No Domínio Do Tempounclassified

Biotecnologia Aplicada à Agro&Indústria - Vol. 4

Resende¹

2017

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“…A CPMG (Carr, Purcell, Meiboom, Gill) echo train is followed by a PFG-SE sequence -an approach that is similar to diffusion-diffusion and diffusion-relaxation correlation analysis. [58][59][60][61] So far, most of the experiments are carried out on high-field NMR instruments. They usually are based on superconducting magnets and equipped with actively shielded gradients, allowing the measurement of spatially or spectroscopically resolved diffusion properties.…”

Section: Pfg-nmr Approachesmentioning

confidence: 99%

NMR on emulsions: characterisation of liquid dispersed systems

Bernewitz¹,

Guthausen²,

Schuchmann³

2011

Magnetic Reson in Chemistry

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Pulsed field gradient NMR (PFG-NMR) is an important method for the characterisation of emulsions. Apart from its application in quality control and process development, especially high-field NMR methods can be applied to investigate emulsions properties on the molecular level. Meanwhile, complex emulsion structures such as double emulsions have been developed and require analytical tools especially for the determination of droplet size distributions. This contribution provides an overview on the possibilities and methods of PFG-NMR referring to measurement, data processing and interpretation of droplet size distributions. Comparison of techniques and measurements on double emulsions are presented.

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Quantitative characterization of food products by two-dimensional D– and – distribution functions in a static gradient

Cited by 120 publications

References 23 publications

Investigations of food colloids by NMR and MRI

Investigations of food colloids by NMR and MRI

Biotecnologia Aplicada à Agro&Indústria - Vol. 4

NMR on emulsions: characterisation of liquid dispersed systems

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