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Cucu AA, Urcan AC, Bobiș O, Bonta V, Cornea-Cipcigan M, Moise AR, Dezsi Ș, Pașca C, Baci GM, Dezmirean DS. Preliminary Identification and Quantification of Individual Polyphenols in Fallopia japonica Plants and Honey and Their Influence on Antimicrobial and Antibiofilm Activities. PLANTS (BASEL, SWITZERLAND) 2024; 13:1883. [PMID: 38999722 PMCID: PMC11244575 DOI: 10.3390/plants13131883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 07/05/2024] [Accepted: 07/06/2024] [Indexed: 07/14/2024]
Abstract
Fallopia japonica (FJ), an invasive plant species known for its rich bioactive compounds, has been used for centuries in traditional Chinese medicine. Despite its significant beekeeping potential, this aspect of FJ remains underexplored. This research aims to investigate the antimicrobial and antibiofilm properties of FJ plants and honey. Notably, this study is the first to identify individual phenolic compounds in both FJ plant tissues and FJ honey, highlighting resveratrol as a marker of FJ honey. The study tested inhibitory activity against seven bacterial strains: Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Bacillus cereus, Salmonella enteritidis, and the yeast Candida albicans. Disk diffusion and microdilution methods were used to assess antimicrobial activity, while the crystal violet staining test evaluated antibiofilm activity. Results showed that FJ plant tissues and honey exhibited strong inhibition, particularly against Gram-negative bacterial strains. The most significant inhibition of biofilm formation, by both FJ plant tissues and honey, was observed against Staphylococcus aureus and Escherichia coli. A significant positive correlation was found between antimicrobial activity and individual polyphenols, especially resveratrol. The antibacterial and antibiofilm potential of FJ plant tissues and honey suggests promising applications in sustainable beekeeping. Further research is necessary to evaluate the bioactive compounds found in FJ honey and their health effects.
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Affiliation(s)
- Alexandra-Antonia Cucu
- Faculty of Animal Science and Biotechnology, University of Animal Sciences and Veterinary Medicine Cluj Napoca, 400372 Cluj-Napoca, Romania
| | - Adriana Cristina Urcan
- Department of Microbiology and Immunology, Faculty of Animal Science and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Otilia Bobiș
- Faculty of Animal Science and Biotechnology, University of Animal Sciences and Veterinary Medicine Cluj Napoca, 400372 Cluj-Napoca, Romania
| | - Victorița Bonta
- Faculty of Animal Science and Biotechnology, University of Animal Sciences and Veterinary Medicine Cluj Napoca, 400372 Cluj-Napoca, Romania
| | - Mihaiela Cornea-Cipcigan
- Department of Horticulture and Landscaping, Faculty of Horticulture, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Adela Ramona Moise
- Faculty of Animal Science and Biotechnology, University of Animal Sciences and Veterinary Medicine Cluj Napoca, 400372 Cluj-Napoca, Romania
| | - Ștefan Dezsi
- Faculty of Geography, Babeş-Bolyai University, 400084 Cluj-Napoca, Romania
| | - Claudia Pașca
- Faculty of Animal Science and Biotechnology, University of Animal Sciences and Veterinary Medicine Cluj Napoca, 400372 Cluj-Napoca, Romania
| | - Gabriela-Maria Baci
- Faculty of Animal Science and Biotechnology, University of Animal Sciences and Veterinary Medicine Cluj Napoca, 400372 Cluj-Napoca, Romania
| | - Daniel Severus Dezmirean
- Faculty of Animal Science and Biotechnology, University of Animal Sciences and Veterinary Medicine Cluj Napoca, 400372 Cluj-Napoca, Romania
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Tang M, Wang Z, Luo J, Zhu T, Song F, Chen H. Preparation, chemical profiles, antioxidative activities, and angiotensin-converting enzyme 2 inhibitory effect of date fruit vinegar. J Food Sci 2024; 89:684-700. [PMID: 38010752 DOI: 10.1111/1750-3841.16782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 11/29/2023]
Abstract
Date palm (Phoenix dactylifera L.) is an important commercial crop extensively consumed as a staple food and has been applied in many ethnomedical systems. Fruit vinegar is a preservative, condiment, and beverage with a spectrum of health benefits. Studies about the preparation, chemical profiles, and bioactivities of date fruit vinegar (DFV) are fundamental requirements for industrialization production. This study focused on the lab-scaled producing conditions, chemical profiles of DFV, and its bioactivities in vitro. According to the results, a date wine containing 9.75% methanol was obtained by yeast fermenting the enzyme-hydrolyzed date juice with 23.11% ± 0.39% of total sugar content. The optimized acidic fermentation conditions were an inoculation amount of 0.02%, a fermentation temperature of 31.14°C, and an initial alcohol content of 7.78%. Total acidity and total phenolic contents of the DFV were 7.74% ± 0.29% and 1.44 mg gallic acid equivalent/mL, respectively. In total, 32 organic acids were quantitated in the unaged DFV, with acetic, L-malic, and oxoglutaric acids as the predominant compounds. A total of 930 volatiles were identified in the DFV, including 186 esters, 177 terpenoids, and 148 heterocyclic compounds. There are 18 phenolic acids presented in the DFV. In addition, 42 flavonoids were quantitated in the DFV, including catechin, taxifolin, and cynaroside. The results of free radical scavenging activities and reducing power demonstrated that the DFV displayed good antioxidant properties. The DFV also acted well on angiotensin-converting enzyme 2 inhibition. These results suggest that the DFV can be industrially developed as a dietary supplement.
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Affiliation(s)
- Minmin Tang
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang, Hainan, P. R. China
| | - Zhihuang Wang
- College of Food Science and Technology, Hainan University, Hainan, China
| | - Jiaxin Luo
- Department of Food Science and Engineering, School of Food Science and Engineering, Hainan Tropical Ocean University, Sanya, China
| | - Tingting Zhu
- Department of Food Science and Engineering, School of Food Science and Engineering, Hainan Tropical Ocean University, Sanya, China
| | - Fei Song
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang, Hainan, P. R. China
| | - Hua Chen
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang, Hainan, P. R. China
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Díaz-Galiano FJ, Heinzen H, Gómez-Ramos MJ, Murcia-Morales M, Fernández-Alba AR. Identification of novel unique mānuka honey markers using high-resolution mass spectrometry-based metabolomics. Talanta 2023; 260:124647. [PMID: 37172434 DOI: 10.1016/j.talanta.2023.124647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/02/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023]
Abstract
Mānuka honey is a valuable commodity produced by bees foraging the flowers of Leptospermum scoparium, a bush native to New Zealand and Australia. Due to its high value and proven health benefits, authenticity fraud in the sale of this food is a significant risk, as recounted in the literature. Four compulsory natural products must be present at minimum concentrations to authenticate mānuka honey (3-phenyllactic acid, 2'-methoxyacetophenone, 2-methoxybenzoic acid, and 4-hydroxyphenyllactic acid). However, spiking other kinds of honey with these compounds and/or the dilution of mānuka honey with other varieties may result in fraud going undetected. In this work, liquid chromatography coupled with high-resolution mass spectrometry and a metabolomics-based strategy has allowed us to tentatively identify 19 natural products -putative mānuka honey markers-, nine of which are reported for the first time. Chemometric models applied to these markers allowed the detection of both spiking and dilution fraud attempts of mānuka honey, even at 75% mānuka honey purity. Thus, the herein-reported methodology can be employed in the prevention and detection of mānuka honey adulteration even at low levels, and the tentatively identified markers presented in this work proved valuable for mānuka honey authentication procedures.
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Affiliation(s)
- Francisco José Díaz-Galiano
- University of Almería, Department of Physics and Chemistry, Agrifood Campus of International Excellence (ceiA3), Ctra. Sacramento s/n, La Cañada de San Urbano, 04120, Almería, Spain
| | - Horacio Heinzen
- Pharmacognosy & Nat. Products, DQO, Facultad de Química Universidad de la República, Gral. Flores 2124, Montevideo, Uruguay
| | - María José Gómez-Ramos
- University of Almería, Department of Physics and Chemistry, Agrifood Campus of International Excellence (ceiA3), Ctra. Sacramento s/n, La Cañada de San Urbano, 04120, Almería, Spain
| | - María Murcia-Morales
- University of Almería, Department of Physics and Chemistry, Agrifood Campus of International Excellence (ceiA3), Ctra. Sacramento s/n, La Cañada de San Urbano, 04120, Almería, Spain
| | - Amadeo R Fernández-Alba
- University of Almería, Department of Physics and Chemistry, Agrifood Campus of International Excellence (ceiA3), Ctra. Sacramento s/n, La Cañada de San Urbano, 04120, Almería, Spain.
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Exploring the Chemical Properties and Biological Activity of Four New Zealand Monofloral Honeys to Support the Māori Vision and Aspirations. Molecules 2022; 27:molecules27103282. [PMID: 35630758 PMCID: PMC9143981 DOI: 10.3390/molecules27103282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/10/2022] [Accepted: 05/14/2022] [Indexed: 01/27/2023] Open
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 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.
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Loh LX, Lee HH, Stead S, Ng DH. Manuka honey authentication by a compact atmospheric solids analysis probe mass spectrometer. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2021.104254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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