Objectives: This study aimed to explore the effects of Psidium guajava L. extracts on mice diarrhea model and changes in their intestinal microflora diversity.
Methods: Mice diarrhea model was constructed with Folium Sennae. and The therapeutic effects of Psidium guajava L. extracts on diarrhea were evaluated by loose stools rates, diarrhea rates, diarrhea index and motor functions of intestine.
Results: Our results showed that all three kinds of extracts from Psidium guajava L. had inhibitory effects on Folium Sennae -induced diarrhea model. The proportion of Bacteroidetes is lower in Group DF (diarrhea model group) compared with Group B (blank group), while abundance of Deferribacteraceae was found in Group DF. The proportion of Deferribacteraceae lowered in Group DTF (diarrhea treatment group) treated with extracts from Psidium guajava L.
Conclusions: However, mechanisms underlying the therapeutic effect of Psidium guajava L. and the changes in intestinal microflora still await further exploration.
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http://dx.doi.org/10.1016/j.jiph.2019.04.015 | DOI Listing |
Plants (Basel)
January 2025
Department of Oriental Medicine Resources, Sunchon National University, Suncheon 57922, Republic of Korea.
There is a growing need for sustainable, efficient methods to promote plant growth and protect crops, with plant extracts offering natural, multi-component solutions. Based on previous observations, , , and were selected from 17 water extracts to investigate how the application times of soil sprays affect the antioxidant enzymes and secondary metabolites in fruity and leafy vegetables at different growth stages. From 1 week after sowing (WAS) to 4 WAS, all applications increased the shoot fresh weight by 42-69% in cucumbers, 40-64% in tomatoes, 46-65% in kale and 42-63% in lettuce.
View Article and Find Full Text PDFInsects
December 2024
Department of Entomology, Federal University of Lavras (UFLA), Lavras 37200-900, MG, Brazil.
A diverse orchard with fruit fly hosts may provide information about trophic relationships, including new insights into beneficial insects. We evaluated the composition of the fruit fly complex to provide information on tephritid species, parasitoids and multitrophic interactions for the southern region of Minas Gerais, Brazil. Sampling was carried out using traps and by collecting fruits from plants and/or the ground according to availability/the fruiting period.
View Article and Find Full Text PDFAntibiotics (Basel)
January 2025
Laboratory of Quality Control, University of Brasília (UNB/FCE), Centro Metropolitano, Conjunto A, Lote 01, Ceilândia, Brasília 72220-900, DF, Brazil.
This study aimed to develop gel nanoemulsions (NEs) of Brazilian essential oils (EOs) from and , as well as to perform chemical characterization and investigate the antimicrobial activity of the EOs and NEs. : The main chemical compounds of EO were curzerene (34.80%) and germacrene B (11.
View Article and Find Full Text PDFLangmuir
January 2025
Department of Chemical and Biological Sciences, National Institute of Technology Meghalaya, Shillong 793003, India.
Recent times have witnessed revolutionary progress in the design and development of functionalized nanomaterials as promising tools for biomedicinal applications. However, the gap in the fundamental understanding of the "biological responses" of the nanomaterials after the formation of "protein-corona" when it is exposed to the body system has drawn a thin line from its discoveries to real clinical trial. In this article we have synthesized two different silver NPs capped with the polyphenols of (guava) leaf extract and the other with one of its major polyphenolic groups, morin.
View Article and Find Full Text PDFEnviron Sci Pollut Res Int
January 2025
Environmental Chemistry Department, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, 08034, Barcelona, Spain.
Contamination of soils with toxic metals poses significant threats to human health and ecosystems. Plant-based remediation strategies can play a vital role in mitigating these risks, and the use of plants as a remediation strategy can help reduce these risks. In this study, we investigate the remediation potential of native plants in accumulating and translocating metal(loid)s at a Colombian site impacted by gold mining.
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