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Analysis and Application of Active Compounds in Bee Products
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Analysis and Application of Active Compounds in Bee Products

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

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 12032

Special Issue Editors

Prof. Dr. Gerson Nakazato

E-Mail Website
Guest Editor
Departamento de Microbiologia, Universidade Estadual de Londrina, Londrina, Brazil
Interests: natural products; antimicrobials; compounds; reactive oxygen species; contamination; therapies; infections
Dr. Renata Katsuko Takayama Kobayashi

E-Mail Website
Guest Editor
Department of Microbiology, Universidade Estadual de Londrina, Londrina, Brazil
Interests: resistance; pharmacy; nanoparticles; bacterial control; in vivo model; resistance to antimicrobials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Compounds from honeys and propolis have a great antibacterial and healing activities. We propose the applications of these substances to control and prevent of infections caused by different microorganisms (e.g., bacteria, fungi, and virus), including multidrug-resistant (MDR) microorganisms. Different bees (Apis mellifera and Meliponini) can be involved in the studies. Analyses must be focused on active molecules from these products with applications in the health field.

Prof. Dr. Gerson Nakazato
Dr. Renata Katsuko Takayama Kobayashi
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

  • honey
  • propolis
  • antimicrobial
  • actives
  • resistance

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Published Papers (3 papers)

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Research

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11 pages, 2117 KiB  
Article
Anti-Biofilm and Anti-Hemolysis Activities of 10-Hydroxy-2-decenoic Acid against Staphylococcus aureus
by Kuankuan Gao, Bei Su, Jing Dai, Piwu Li, Ruiming Wang and Xiaohui Yang
Molecules 2022, 27(5), 1485; https://doi.org/10.3390/molecules27051485 - 22 Feb 2022
Cited by 27 | Viewed by 4323
Abstract
Persistent infections caused by Staphylococcus aureus biofilms pose a major threat to global public health. 10-Hydroxy-2-decenoic acid (10-HDA), a main fatty acid in royal jelly, has been shown to possess various biological activities. The purpose of this study was to explore the effects [...] Read more.
Persistent infections caused by Staphylococcus aureus biofilms pose a major threat to global public health. 10-Hydroxy-2-decenoic acid (10-HDA), a main fatty acid in royal jelly, has been shown to possess various biological activities. The purpose of this study was to explore the effects of 10-HDA on the biofilms and virulence of S. aureus and its potential molecular mechanism. Quantitative crystal violet staining indicated that 10-HDA significantly reduced the biofilm biomass at sub-minimum inhibitory concentration (MIC) levels (1/32MIC to 1/2MIC). Scanning electron microscope (SEM) observations demonstrated that 10-HDA inhibited the secretion of extracellular polymeric substances, decreased bacterial adhesion and aggregation, and disrupted biofilm architecture. Moreover, 10-HDA could significantly decrease the biofilm viability and effectively eradicated the mature biofilms. It was also found that the hemolytic activity of S. aureus was significantly inhibited by 10-HDA. qRT-PCR analyses revealed that the expressions of global regulators sarA, agrA, and α-hemolysin gene hla were downregulated by 10-HDA. These results indicate that 10-HDA could be used as a potential natural antimicrobial agent to control the biofilm formation and virulence of S. aureus. Full article
(This article belongs to the Special Issue Analysis and Application of Active Compounds in Bee Products)
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16 pages, 1137 KiB  
Article
The Profile of Polyphenolic Compounds, Contents of Total Phenolics and Flavonoids, and Antioxidant and Antimicrobial Properties of Bee Products
by Tomasz Sawicki, Małgorzata Starowicz, Lucyna Kłębukowska and Paweł Hanus
Molecules 2022, 27(4), 1301; https://doi.org/10.3390/molecules27041301 - 15 Feb 2022
Cited by 52 | Viewed by 4183
Abstract
This study aimed to characterize bee products (bee bread, bee pollen, beeswax, and multiflorous honey) with the profile of phenolic compounds, total phenolic (TPC) and flavonoid (TFC) contents, and antioxidant and microbiological properties. The TP and TF contents could be ordered as follows: [...] Read more.
This study aimed to characterize bee products (bee bread, bee pollen, beeswax, and multiflorous honey) with the profile of phenolic compounds, total phenolic (TPC) and flavonoid (TFC) contents, and antioxidant and microbiological properties. The TP and TF contents could be ordered as follows: bee pollen > bee bread > beeswax > honey. The UPLC−PDA−MS/MS analysis allowed identifying 20 polyphenols. Sinapic acid dominated in bee pollen, gallic acid in the bee bread and honey, while pinobanksin was the major compound of beeswax. The data showed that bee pollen and bee bread had a stronger antioxidant potential than honey and beeswax. Moreover, the antibacterial activity of the bee products was studied using 14 bacterial strains. Bee bread’s and bee pollen’s antimicrobial activity was higher towards Gram-negative strains. In comparison, honey was more potent in inhibiting Gram-positive bacteria. Our study indicates that bee products may represent valuable sources of bioactive compounds offering functional properties. Full article
(This article belongs to the Special Issue Analysis and Application of Active Compounds in Bee Products)
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Review

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24 pages, 1425 KiB  
Review
Exploring the Chemical Properties and Biological Activity of Four New Zealand Monofloral Honeys to Support the Māori Vision and Aspirations
by Claire Zucchetta, Wally Tangohau, Aaron McCallion, Derrylea J. Hardy and Andrea Clavijo McCormick
Molecules 2022, 27(10), 3282; https://doi.org/10.3390/molecules27103282 - 20 May 2022
Cited by 1 | Viewed by 2841
Abstract
Honey production and export are significant contributors to the Aotearoa New Zealand economy, generating over 400 million dollars in revenue. Its main export is mānuka (Leptospermum scoparium) honey, which has a high commercial value due to its medicinal properties that are [...] Read more.
Honey production and export are significant contributors to the Aotearoa New Zealand economy, generating over 400 million dollars in revenue. Its main export is mānuka (Leptospermum scoparium) honey, which has a high commercial value due to its medicinal properties that are linked to its unique chemical composition. The compound methylglyoxal (MGO) has been identified as the main floral marker and is used as a quality indicator, often labelled as unique mānuka factor (UMF). However, the high demand for mānuka honey creates pressure on beekeepers and may have negative ecological consequences by favouring extensive mānuka monocultures to the detriment of other native species. There are other honeys native to New Zealand, such as kāmahi (Weinmannia racemosa), kānuka (Kunzea ericoides), rātā (Metrosideros robusta) and rewarewa (Knightia excelsa), that also have medicinal properties; however, they are less well known in the local and global market. Indigenous Māori communities envision the production and commercialization (locally and internationally) of these honeys as an opportunity to generate income and secure a sustainable future in alignment with their worldview (Te Ao Māori) and values (tikanga Māori). Diversifying the market could lead to a more sustainable income for beekeepers and reduce pressure on Māori and the conservation land, while supporting indigenous communities to realize their vision and aspirations. This manuscript provides an extensive review of the scientific literature, technical literature and traditional knowledge databases describing the plants of interest and their traditional medicinal uses (rongoā) and the chemical properties of each honey, potential floral markers and their biological activity. For each honey type, we also identify knowledge gaps and potential research avenues. This information will assist Māori beekeepers, researchers, consumers and other stakeholders in making informed decisions regarding future research and the production, marketing and consumption of these native monofloral honeys. Full article
(This article belongs to the Special Issue Analysis and Application of Active Compounds in Bee Products)
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