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2D-Cross Correlation Spectroscopy Coupled with Molecular Fluorescence Spectroscopy for Analysis of Molecular Structure Modification of Camel Milk and Cow Milk Mixtures during Coagulation

Abstract : Synchronous fluorescence spectroscopy (SFS) coupled with two-dimensional correlation spectroscopy (2DCOS) was employed to monitor, at the molecular level, the coagulation of five mixture ratios of camel's milk (CaM) and cow's milk (CM) (100% CaM, 75% CaM:25% CM, 50% CaM:50% CM, 25% CaM:75% CM and 100% CM). The dissimilarities among the different formulations are highlighted on the synchronous 2DCOS-SFS. In addition, according to the cross-peak symbols in synchronous and asynchronous spectra, the rate of response modification in riboflavin, protein and vitamin A matched with common coagulation phenomena usually reported during chymosin coagulation (hydrolysis of κ-casein, destabilization of casein micelles and aggregation). This study demonstrated that 2DCOS-SFS is a successful strategy to discriminate milk mixtures and to monitor molecular structure modifications during coagulation process.
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https://hal-vetagro-sup.archives-ouvertes.fr/hal-03081570
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Soumis le : vendredi 18 décembre 2020 - 11:18:43
Dernière modification le : jeudi 20 mai 2021 - 16:47:00
Archivage à long terme le : : vendredi 19 mars 2021 - 20:37:51

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Oumayma Boukria, El Mestafa El Hadrami, Shaxnoza Sultanova, Jasur Safarov, Françoise Leriche, et al.. 2D-Cross Correlation Spectroscopy Coupled with Molecular Fluorescence Spectroscopy for Analysis of Molecular Structure Modification of Camel Milk and Cow Milk Mixtures during Coagulation. Foods, MDPI, 2020, 9 (6), pp.724. ⟨10.3390/foods9060724⟩. ⟨hal-03081570⟩

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