Optimization of nuclear magnetic resonance and gas chromatography-mass spectrometry-based fingerprinting methods to characterize goat milk powder

Sanchez, Lorraine Jane; Zhu, Dan; Frew, Russell; Kebede, Biniam

doi:10.3168/jds.2020-18467

Cited by 14 publications

(2 citation statements)

References 34 publications

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“…Бұл ЯМР сигналының шу мен кедергіден ω m резонансы арқылы бөлінуін жеңілдету үшін жасалады. М магниттелу проекциясына пропорционал және В р өрісіне перпендикуляр болып келетін қабылдап отыратын катушкадағы ЯМР сигналдарын алу үшін В р өрісіне перпендикулярлы ҚАЗАҚСТАН-БРИТАН ТЕХНИКАЛЫҚ УНИВЕРСИТЕТІНІҢ ХАБАРШЫСЫ № 1(68) 2024 түрде бағытталған ωр резонансты жиілікте болатын айналмалы магнит өрісімен сұйықтыққа әсерін тигізу керек [9]. Магнит өрісін тудырушы катушкаларды екі бөлек қолданған кезде, сұйық ағып жатқан құбырды қоршап тұрғаны қабылдауыш, ал бірінші аталған өріс пен өрістің В р индукциясына перпендикуляр бағытталып тұрғаны қоздырғыш рөлін атқарады [10].…”

Section: материалдар мен әдістерunclassified

Technology for Control and Management of Milk Quality Using Magnetic Field

Aldibekova

2024

jour

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In production, various methods are used to control the quality of manufactured products due to physical and chemical effects. In recent years, the principle of the phenomenon of nuclear magnetic resonance (NMR) has been increasingly used in the management and control of technological processes in food production. This paper examines the possibility of using the phenomenon of nuclear magnetic resonance for the purpose of automated control of milk quality by a magnetic field. By studying the isotopes of the NMR spectra of the specified product, it is possible to determine whether the product is natural or artificial, that is, its cost and quality. This work also provides a block diagram of the technological process and explains the expressions for receiving NMR signals and processing them with the creation of a magnetic field using electromagnets in an automated control system. This method allows not only to control the process, but also to determine the physical properties of milk and dairy products, contributing to changes in quality. To do this, it is necessary to maintain the optimal value of the generated magnetic field with very high accuracy.

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Section: материалдар мен әдістерunclassified

Technology for Control and Management of Milk Quality Using Magnetic Field

Aldibekova

2024

jour

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“…The metabolites corresponding to weak signals, such as lactic acid and equuric acid, were strongly associated with breast infection. These metabolites are very important in identifying GMP quality and characteristics (Sanchez et al, 2021).…”

Section: Dairymentioning

confidence: 99%

Application of nuclear magnetic resonance in food analysis

Jin

2022

Food Sci. Technol

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Nuclear magnetic resonance (NMR) spectroscopy is one of the most powerful techniques to analyze sample components, determine the structures of compounds and study chemical reaction processes. NMR is a rapid and noninvasive analytical method that was initially used to study moisture in food. The structural composition of food can be determined by analyzing the components of oil, protein and carbohydrates. The combination of NMR and multivariate statistical data has become increasingly popular in the field of food science. However, due to its low sensitivity and imperfect technical knowledge, NMR still has great development potential in the field of food science and very bright prospects. This review focuses on the application of NMR in food analysis, including oil, red wine, honey, milk, fruits and vegetables. NMR can quickly identify various compounds, distinguish the geographical origin of species, assess food quality, reveal various fraud behaviors, and predict the shelf life of food.

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Improving quality of analysis by suppression of unwanted signals through band-selective excitation in NMR spectroscopy for metabolomics studies

Singh,

Al-Nemi,

Alahmari

et al. 2023

Metabolomics

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Nuclear Magnetic Resonance (NMR) spectroscopy stands as a preeminent analytical tool in the eld of metabolomics. Nevertheless, when it comes to identifying metabolites present in scant amounts within various complex mixtures of plants, honey, milk, and biological specimens, NMR-based metabolomics presents a formidable challenge. This predicament arises primarily from the fact that the signals emanating from metabolites existing in low concentrations tend to be overshadowed by the signals of highly concentrated metabolites within NMR spectra. To tackle the issue of intense sugar signals overshadowing the desired metabolite signals, an optimal pulse sequence with band-selective excitation has been proposed for the suppression of sugar's moiety signals (SSMS). This sequence serves the crucial purpose of suppressing unwanted signals, with a particular emphasis on mitigating the interference caused by sugar moieties' signals. We have implemented this comprehensive approach to various NMR techniques, including 1D 1 H presaturation (presat), 2D J-resolved (RES), 2D 1 H-1 H Total Correlation Spectroscopy (TOCSY), and 2D 1 H-13 C Heteronuclear Single Quantum Coherence (HSQC) for the samples of dates-esh, honey, a standard stock solution of glucose, and nine amino acids, and fetal bovine serum.The outcomes of this approach have been signi cant. The suppression of the high-intensity sugar signals has considerably enhanced the visibility and sensitivity of the signals emanating from the desired metabolites. This, in turn, enables the identi cation of a greater number of metabolites. Additionally, it streamlines the experimental process, reducing the time required for the comparative quanti cation of metabolites in statistical studies in the eld of metabolomics.

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Optimization of nuclear magnetic resonance and gas chromatography-mass spectrometry-based fingerprinting methods to characterize goat milk powder

Cited by 14 publications

References 34 publications

Technology for Control and Management of Milk Quality Using Magnetic Field

Technology for Control and Management of Milk Quality Using Magnetic Field

Application of nuclear magnetic resonance in food analysis

Improving quality of analysis by suppression of unwanted signals through band-selective excitation in NMR spectroscopy for metabolomics studies

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