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Molecules
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Application of NMR Spectroscopy to Nutraceuticals Characterization
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Application of NMR Spectroscopy to Nutraceuticals Characterization

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Analytical Chemistry".

Deadline for manuscript submissions: closed (31 July 2020)

Special Issue Editors

Dr. Roberto Consonni

E-Mail Website
Guest Editor
Institute for Macromolecular Studies, National Research Council, Milan, Italy
Interests: macromolecules; metabolite profiling; NMR; chemometrics; materials; food characterization and authentication; plants extracts
Dr. Laura Ruth Cagliani

E-Mail Website
Guest Editor
Institute for Macromolecular Studies, National Research Council, Milan, Italy
Interests: NMR; metabolomics; chemometrics; food characterization and authentication; plants extracts

Special Issue Information

Dear Colleagues,

The potentiality of NMR spectroscopy is already well established, and in recent years has been applied to several fields of interest, particularly food science and health. The capability of NMR spectroscopy to detect and structurally characterize new compounds and derivatives has consolidated its pivotal role in the “omics” era. In this context, NMR represents a powerful technique for the analysis of nutraceuticals, compounds with a wide range of biological properties and health benefits. This Special Issue entitled “Application of NMR Spectroscopy to Nutraceuticals Characterization” aims to cover new advances in the application of different NMR techniques (high resolution, solid state, and hyphenated NMR techniques) to nutraceuticals identification and characterization. Original research manuscripts, review articles, or short communication concerning the analysis of molecules with nutraceutical properties of different origins (secondary metabolites from plants, bioactive molecules naturally present in foods, antioxidants and prebiotics from natural source, etc.) will be considered.

Dr. Roberto Consonni
Dr. Laura Ruth Cagliani
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • NMR
  • Nutraceuticals
  • Bioactive compounds
  • Secondary metabolites
  • Prebiotic

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Published Papers (3 papers)

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Research

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10 pages, 2106 KiB  
Article
Large-Scale Evaluation of Major Soluble Macromolecular Components of Fish Muscle from a Conventional 1H-NMR Spectral Database
by Feifei Wei, Minoru Fukuchi, Kengo Ito, Kenji Sakata, Taiga Asakura, Yasuhiro Date and Jun Kikuchi
Molecules 2020, 25(8), 1966; https://doi.org/10.3390/molecules25081966 - 23 Apr 2020
Cited by 9 | Viewed by 2948
Abstract
Conventional proton nuclear magnetic resonance (1H-NMR) has been widely used for identification and quantification of small molecular components in food. However, identification of major soluble macromolecular components from conventional 1H-NMR spectra is difficult. This is because the baseline appearance is [...] Read more.
Conventional proton nuclear magnetic resonance (1H-NMR) has been widely used for identification and quantification of small molecular components in food. However, identification of major soluble macromolecular components from conventional 1H-NMR spectra is difficult. This is because the baseline appearance is masked by the dense and high-intensity signals from small molecular components present in the sample mixtures. In this study, we introduced an integrated analytical strategy based on the combination of additional measurement using a diffusion filter, covariation peak separation, and matrix decomposition in a small-scale training dataset. This strategy is aimed to extract signal profiles of soluble macromolecular components from conventional 1H-NMR spectral data in a large-scale dataset without the requirement of re-measurement. We applied this method to the conventional 1H-NMR spectra of water-soluble fish muscle extracts and investigated the distribution characteristics of fish diversity and muscle soluble macromolecular components, such as lipids and collagens. We identified a cluster of fish species with low content of lipids and high content of collagens in muscle, which showed great potential for the development of functional foods. Because this mechanical data processing method requires additional measurement of only a small-scale training dataset without special sample pretreatment, it should be immediately applicable to extract macromolecular signals from accumulated conventional 1H-NMR databases of other complex gelatinous mixtures in foods. Full article
(This article belongs to the Special Issue Application of NMR Spectroscopy to Nutraceuticals Characterization)
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12 pages, 2799 KiB  
Article
NMR Lipid Profile of Milk from Alpine Goats with Supplemented Hempseed and Linseed Diets
by Antonella Caterina Boccia, Erica Cusano, Paola Scano and Roberto Consonni
Molecules 2020, 25(7), 1491; https://doi.org/10.3390/molecules25071491 - 25 Mar 2020
Cited by 9 | Viewed by 3496
Abstract
The supplementation of goat diets with natural products to obtain milk with nutraceutical components is a common practice. In these last years, the influence of supplementation of specifically designed diets has been studied with different analytical tools in order to explore possible beneficial [...] Read more.
The supplementation of goat diets with natural products to obtain milk with nutraceutical components is a common practice. In these last years, the influence of supplementation of specifically designed diets has been studied with different analytical tools in order to explore possible beneficial effects in human consumption of animal milk and milk-derived products. In this study, the lipid fraction of milk from Alpine goats undergoing different dietary regimens was studied by 1H-NMR spectroscopy. Alpine goats were fed with linseed or hempseed supplements, and after 14 weeks of treatment, milk was collected and analyzed. Results showed that feeding diets supplemented with seeds positively affected the fatty acid composition with a pronounced increase in unsaturated fatty acids for both diets compared to a control diet. Specifically, linolenic acid content was more than doubled for linseed diet compared with the hempseed and control groups, while linoleic acid greatly increased only upon hempseed supplementation. However, a number of conjugated linoleic acid (CLA) isomers and higher levels of fatty acids with trans configuration were found in supplemented diets, particularly in the linseed diet. Full article
(This article belongs to the Special Issue Application of NMR Spectroscopy to Nutraceuticals Characterization)
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Review

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22 pages, 1066 KiB  
Review
NMR-Based Plant Metabolomics in Nutraceutical Research: An Overview
by Giovanna Valentino, Vittoria Graziani, Brigida D’Abrosca, Severina Pacifico, Antonio Fiorentino and Monica Scognamiglio
Molecules 2020, 25(6), 1444; https://doi.org/10.3390/molecules25061444 - 23 Mar 2020
Cited by 29 | Viewed by 5954
Abstract
Few topics are able to channel the interest of researchers, the public, and industries, like nutraceuticals. The ever-increasing demand of new compounds or new sources of known active compounds, along with the need of a better knowledge about their effectiveness, mode of action, [...] Read more.
Few topics are able to channel the interest of researchers, the public, and industries, like nutraceuticals. The ever-increasing demand of new compounds or new sources of known active compounds, along with the need of a better knowledge about their effectiveness, mode of action, safety, etc., led to a significant effort towards the development of analytical approaches able to answer the many questions related to this topic. Therefore, the application of cutting edges approaches to this area has been observed. Among these approaches, metabolomics is a key player. Herewith, the applications of NMR-based metabolomics to nutraceutical research are discussed: after a brief overview of the analytical workflow, the use of NMR-based metabolomics to the search for new compounds or new sources of known nutraceuticals are reviewed. Then, possible applications for quality control and nutraceutical optimization are suggested. Finally, the use of NMR-based metabolomics to study the impact of nutraceuticals on human metabolism is discussed. Full article
(This article belongs to the Special Issue Application of NMR Spectroscopy to Nutraceuticals Characterization)
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