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1.
Biomedicine (Taipei) ; 13(4): 10-19, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38532837

RESUMO

Mucus is a substance made by snails that serves a variety of purposes and is increasingly employed in the medical and cosmetic industries. It includes bioactive compounds with a range of biological characteristics that could be useful in the treatment of particular issues. This study assessed the wound-healing efficiency, antibacterial activity, chemical and mineral composition of Helix aspersa Müller slime. Inductively Coupled Argon Plasma Atomic Emission Spectrometry (ICP-OES) was used for mineral analysis, while Gas chromatography coupled to mass spectrometry (GC-MS) analysis was used for chemical characterization. The findings showed that the H. aspersa Müller slime had inhibitory activity on the test samples. Additionally, it revealed significant healing activity. These findings point to the chemical composition and various biological activities of the H. aspersa Müller slime, which may be related to the animal's particular functions and be useful for medical applications. Our findings suggest that the H. aspersa Müller slime has biological effects related to antimicrobial activities and wound healing, and they pave the way for a more thorough investigation of its potential therapeutic effects.

2.
Molecules ; 27(23)2022 Nov 28.
Artigo em Inglês | MEDLINE | ID: mdl-36500391

RESUMO

During the postharvest period, citrus fruits are exposed to Penicillium italicum, Penicillium digitatum, and Geotrichum candidum. Pesticides such as imazalil (IMZ), thiabendazole (TBZ), orthophenylphenol (OPP), and guazatine (GUA) are commonly used as antifungals. Glyphosate (GP) is also used in citrus fields to eliminate weed growth. The sensitivity of fungal pathogens of citrus fruit to these pesticides and 1,8-cineole was evaluated, and the effect of GP on the development of cross-resistance to other chemicals was monitored over a period of 3 weeks. IMZ most effectively inhibited the mycelial growth and spore germination of P. digitatum and P. italicum, with minimum inhibitory concentrations (MICs) of 0.01 and 0.05 mg/mL, respectively, followed by 1,8-cineole, GP, and TBZ. 1,8-Cineole and GP more effectively inhibited the mycelial growth and spore germination of G. candidum, with minimum inhibitory concentrations (MICs) of 0.2 and 1.0 mg/mL, respectively, than OPP or GUA. For the spore germination assay, all substances tested showed a total inhibitory effect. Subculturing the fungal strains in culture media containing increasing concentrations of GP induced fungal tolerance to GP as well as to the fungicides. In soil, experiments confirmed that GP induced the tolerance of P. digitatum to TBZ and GP and the tolerance of P. italicum to IMZ, TBZ, and GP. However, no tolerance was recorded against 1,8-cineole. In conclusion, it can be said that 1,8-cineole may be recommended as an alternative to conventional fungicides. In addition, these results indicate that caution should be taken when using GP in citrus fields.


Assuntos
Citrus , Fungicidas Industriais , Penicillium , Citrus/química , Eucaliptol/farmacologia , Fungicidas Industriais/farmacologia , Fungicidas Industriais/análise , Tiabendazol/análise , Antifúngicos/farmacologia , Antifúngicos/análise , Frutas/química
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