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Molecules
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Natural Compounds Derived from Microorganisms: Development, Application and Challenge
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Natural Compounds Derived from Microorganisms: Development, Application and Challenge

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

Deadline for manuscript submissions: 30 June 2024 | Viewed by 1166

Special Issue Editors

Dr. Ce Shi

E-Mail Website
Guest Editor
School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
Interests: natural products; essential oils; antimicrobial activity; antioxidant; food preservation
Dr. Hongxun Tao

E-Mail Website
Guest Editor
School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
Interests: edible medicinal botanicals; functional foods; natural products; pharmacology

Special Issue Information

Dear Colleagues,

Microorganisms are a promising source of many natural products, and have proven their value in nutrition, agriculture and healthcare. These products are largely involved in bioactivities as antimicrobial agents, antiparasitic agents, antitumor, enzyme inhibitors, immunosuppressives, etc. For these reasons, some bioactive compounds derived from microorganisms are currently considered as promising therapeutical or food alternatives, such as nisin produced by lactic acid bacteria.

Thus, within the scope of the proposed research topic, we aim to publish articles on the identification and characterization of microbial primary or secondary metabolites, bioactivities of the natural metabolites, and their potential applications in various fields, such as food, feed, pharmacological industries as well as the challenges. We encourage submissions of original research articles, short communications, reviews, methods articles, perspectives and opinions that make a considerable and efficient contribution to the scientific community.

Dr. Ce Shi
Dr. Hongxun Tao
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

  • microorganisms
  • metabolites
  • food and feeding industry
  • pharmacology
  • healthcare

Published Papers (1 paper)

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Research

18 pages, 3774 KiB  
Article
Effect of Novel Processing Techniques on the Carotenoid Release during the Production of Red Guava Juice
by Xiaoxue Zheng, Ziting Chen, Ziming Guo, Mengting Chen, Bijun Xie, Zhida Sun and Kai Hu
Molecules 2024, 29(2), 487; https://doi.org/10.3390/molecules29020487 - 18 Jan 2024
Viewed by 882
Abstract
Red guava, distinguished by its elevated lycopene content, emerges as a promising natural source of carotenoids. This study systematically evaluates the impact of diverse processing techniques on the efficient release of carotenoids. The primary objective is to facilitate the transfer of carotenoids into [...] Read more.
Red guava, distinguished by its elevated lycopene content, emerges as a promising natural source of carotenoids. This study systematically evaluates the impact of diverse processing techniques on the efficient release of carotenoids. The primary objective is to facilitate the transfer of carotenoids into the juice fraction, yielding carotenoid-enriched juice seamlessly integrable into aqueous-based food matrices. The untreated guava puree exhibited a modest release of carotenoids, with only 66.26% of β-carotene and 57.08% of lycopene reaching the juice. Contrastly, both high-pressure homogenization (HPH) at 25 MPa and enzyme (EM) treatment significantly enhanced carotenoid release efficiency (p < 0.05), while high hydrostatic pressure (HHP) at 400 MPa and pulsed electric field (PEF) of 4 kV/cm did not (p > 0.05). Notably, HPH demonstrated the most substantial release effect, with β-carotene and lycopene reaching 90.78% and 73.85%, respectively. However, the stability of EM-treated samples was relatively poor, evident in a zeta-potential value of −6.51 mV observed in the juice. Correlation analysis highlighted the interactions between pectin and carotenoids likely a key factor influencing the stable dissolution or dispersion of carotenoids in the aqueous phase. The findings underscore HPH as a potent tool for obtaining carotenoid-enriched guava juice, positioning it as a desirable ingredient for clean-label foods. Full article
(This article belongs to the Special Issue Natural Compounds Derived from Microorganisms: Development, Application and Challenge)
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