Articles with "nmr combined" as a keyword



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1H NMR combined with chemometrics for the rapid detection of adulteration in camellia oils.

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Published in 2018 at "Food chemistry"

DOI: 10.1016/j.foodchem.2017.09.061

Abstract: Proton nuclear magnetic resonance (1H NMR) and chemometrics were employed to detect the adulteration of camellia oil (CAO) with 3 different cheap vegetable oils. With the intensity of 15 selected 1H NMR signals as input… read more here.

Keywords: adulteration camellia; detection; nmr combined; cao ... See more keywords
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1H NMR combined with PLS for the rapid determination of squalene and sterols in vegetable oils.

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Published in 2019 at "Food chemistry"

DOI: 10.1016/j.foodchem.2019.02.072

Abstract: Proton nuclear magnetic resonance (1H NMR) combined with partial least squares (PLS) was developed for the rapid determination of squalene and sterols (brassicasterol, campesterol, stigmasterol and β-sitosterol) in 119 vegetable oils from 7 different species.… read more here.

Keywords: determination squalene; squalene sterols; nmr combined; vegetable oils ... See more keywords