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Metabolites
Special Issues
Bioactive Compounds in Animal Nutrition Resources and Animal By-Products
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Bioactive Compounds in Animal Nutrition Resources and Animal By-Products

A special issue of Metabolites (ISSN 2218-1989). This special issue belongs to the section "Animal Metabolism".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1189

Special Issue Editors

Dr. Claudia Delgadillo Puga

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Guest Editor
Animal Nutrition Department, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, México
Interests: bioactive compounds in conventional and unconventional resources for animal feed; establishing their relationship on the functional quality of meat, milk, and derivatives; evaluation of nutraceuticals, functional foods, pharmacodynamic exploration (biochemical and physiological) of bioactive compounds of plants and foods; for prevention or intervention on metabolic abnormalities in obesity, murine models, and clinical trials
Dr. Mario Cuchillo Hilario

E-Mail Website
Guest Editor
Animal Nutrition Department，Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, México
Interests: evaluation of bioactive compounds present in foods of animal origin and their impact on human health and nutrition; evaluation of forage resources available for animal feeding and nutrition

Special Issue Information

Dear Colleagues,

Conventional and non-conventional resources for animal nutrition devoted to feed either monogastric or ruminant animals contain a variety of metabolites that exhibit a wide range of biological activities. Bioactive compounds are often investigated for their antioxidant, anti-inflammatory, immunomodulatory, hypoglycemic, anti-hypercholesterolemic, anti-hypertensive, anti-platelet, anti-apoptotic, anti-nociceptive, antibacterial, antiviral, anticancer, hepatoprotective, or neuroprotective properties, among others. Additionally, the use of complete plants, plant fractions, seeds, pods, leaves, flowers, grains, roots, and their corresponding extracts; as well as oils, flours, proteins, polysaccharides, or purified chemical compounds in the diet of animals is under increasing interest. This Special Issue is devoted to investigate the “sources of bioactive compounds in animal nutrition” and the feasible implications on animal health and animal products quality as milk, meat, egg, and others, and their by-products with emphasis on biochemistry, biological function, and molecular mechanisms of bioactive compounds on animal and consumer health. The use of fishmeal, fish oils, insects, crustaceans, aquatic plants, seafood, microalgae, macroalgae, seaweed, and marine invertebrates such as crabs, mollusks, and echinoderms and related sources of conventional and non-conventional sources for animal nutrition is also under consideration. Both reviews and original articles will be considered. 

Dr. Claudia Delgadillo Puga
Dr. Mario Cuchillo Hilario
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. Metabolites is an international peer-reviewed open access monthly 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

  • alternative sources
  • animal nutrition
  • bioactive compounds
  • metabolites
  • animal products
  • consumer health

Published Papers (1 paper)

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Research

23 pages, 2920 KiB  
Article
Physicochemical Characterization of Moroccan Honey Varieties from the Fez-Meknes Region and Their Antioxidant and Antibacterial Properties
by Atika Ailli, Khalid Zibouh, Brahim Eddamsyry, Aziz Drioiche, Dounia Fetjah, Fatima Zahra Ayyad, Ramzi A. Mothana, Mohammed F. Hawwal, Mohamed Radi, Redouane Tarik, Abdelhakim Elomri, Aicha Mouradi and Touriya Zair
Metabolites 2024, 14(7), 364; https://doi.org/10.3390/metabo14070364 - 27 Jun 2024
Viewed by 330
Abstract
Honey, with its varied and extensive characteristics, is a complex and diverse biological substance that has been used since ancient times. The aim of this study is to thoroughly characterize the physicochemical, phytochemical, and biological properties of four floral honey varieties from the [...] Read more.
Honey, with its varied and extensive characteristics, is a complex and diverse biological substance that has been used since ancient times. The aim of this study is to thoroughly characterize the physicochemical, phytochemical, and biological properties of four floral honey varieties from the Fez-Meknes region in Morocco, with the goal of promoting the valorization of Moroccan honey in skincare and cosmetic products. The analyses of their physicochemical characteristics encompass various parameters such as pH, acidity, density, water content, Brix index, conductivity, ash content, hydroxymethylfurfural (HMF) content, and color. The levels of polyphenols range from 22.1 ± 0.4 to 69.3 ± 0.17 mg GAE/100 g of honey, measured using the Folin–Ciocalteu method for polyphenol quantification. Additionally, the estimation of flavonoid quantities in 100 g of honey, conducted using the aluminum trichloride method, reveals values ranging from 3.6 ± 0.2 to 7.2 ± 0.6 mg QE. Furthermore, it is noteworthy that honey exhibits high levels of glucose and relatively low concentrations of proteins. The quantitative evaluation of antioxidant effects, carried out through the 2,2-diphenyl-1-picrylhydrazyl free-radical-scavenging method and the ferric-reducing antioxidant power (FRAP) method, highlights the strong antioxidant capacity of multifloral honey, characterized by low inhibitory concentration values (IC50 = 30.43 mg/mL and EC50 = 16.06 mg/mL). Moreover, all honey varieties demonstrate antibacterial and antifungal properties, with multifloral honey standing out for its particularly pronounced antimicrobial activity. The correlation analyses between phytochemical composition and antioxidant and antibacterial activities reveal an inverse relationship between polyphenols and IC50 (DPPH) and EC50 (FRAP) concentrations of honey. The correlation coefficients are established at R2 = −0.97 and R2 = −0.99, respectively. Additionally, a significant negative correlation is observed between polyphenols, flavonoids, and antifungal power (R2 = −0.95 and R2 = −0.96). In parallel, a marked positive correlation is highlighted between antifungal efficacy, DPPH antioxidant activity (R2 = 0.95), and FRAP (R2 = 0.92). These results underscore the crucial importance of phytochemical components in the beneficial properties of honey, meeting international quality standards. Consequently, honey could serve as a natural alternative to synthetic additives. Full article
(This article belongs to the Special Issue Bioactive Compounds in Animal Nutrition Resources and Animal By-Products)
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