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Scope of droplet size measurements in food emulsions by pulsed field gradient NMR at low field
Author(s) -
van Duynhoven J. P. M.,
Goudappel G. J. W.,
van Dalen G.,
van Bruggen P. C.,
Blonk J. C. G.,
Eijkelenboom A. P. A. M.
Publication year - 2002
Publication title -
magnetic resonance in chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.483
H-Index - 72
eISSN - 1097-458X
pISSN - 0749-1581
DOI - 10.1002/mrc.1115
Subject(s) - chemistry , equivalence (formal languages) , scope (computer science) , pulsed field gradient , emulsion , instrumentation (computer programming) , field (mathematics) , analytical chemistry (journal) , process engineering , biological system , chromatography , molecule , computer science , organic chemistry , philosophy , linguistics , mathematics , pure mathematics , engineering , programming language , operating system , biology
Low‐field NMR instrumentation offers a user‐friendly and cost‐effective means for assessment of water and oil droplet size measurements in food emulsions. Examples are given of major food application areas, and these are supported with validation data in terms of precision and equivalence to other methods. The NMR method gives the same results as other techniques, such as microscopy, laser diffraction and electric sensing, but with similar or better precision. NMR distinguishes itself by a simple and non‐perturbing sample preparation procedure (in addition to the aforementioned advantages). For reliable results, the NMR parameters should be properly chosen and adjusted. A survey is given of experimental NMR parameters than can have an impact on the performance of water and oil droplet size determination. Copyright © 2002 John Wiley & Sons, Ltd.

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