Artigo em periódico indexado (CNAT) https://www.alice.cnptia.embrapa.br/alice/handle/item/131823 2026-05-15T04:04:27Z 2026-05-15T04:04:27Z CORBARI, S. D. VALE, T. F. DO https://www.alice.cnptia.embrapa.br/alice/handle/doc/1186741 2026-05-11T11:48:35Z 2025-01-01T00:00:00Z

Título: Turismo como vetor de conflitos ambientais: análise global a partir do EjAtlas. Autoria: CORBARI, S. D.; VALE, T. F. DO Conteúdo: Os conflitos ambientais surgem da tentativa de dominação do espaço por determinados agentes, projetando resultados indesejados de uma prática social sobre outra, gerando questionamentos acerca do caráter arbitrário dos sentidos hegemônicos que são atribuídos ao território. Estes conflitos trazem à tona o fato que, enquanto os benefícios do turismo são superdimensionados/distorcidos, o ônus recai nas populações vulneráveis. Assim, o artigo teve como objetivo identificar e analisar, a partir da ecologia política, conflitos ambientais gerados pelo turismo em nível global. A base de dados foi o Global Atlas of Environmental Justice (EjAtlas), onde foi realizada a busca por conflitos relacionados ao termo “tourism services”. O corpus de análise foi constituído de 150 casos. Os conflitos ambientais ocorrem em diversos países, principalmente nos últimos 20 anos. A maioria tem como responsável o Estado e grandes corporações e afetam, principalmente, populações rurais. Grande parte dos casos contou com alguma mobilização social visível, principalmente de forma preventiva. Apesar de esforços significativos, apenas parte dos projetos foi interrompida, evidenciando o poder político e econômico dos agentes turísticos. Buscou-se contribuir para a aproximação entre a ecologia política e o campo do turismo, evidenciando que esse deve ser compreendido como vetor relevante de produção espacial e produção de desigualdades.

2025-01-01T00:00:00Z SABEDOTTI, C. SILVEIRA, I. DA MIGACZ, I. P. CRUZ, L. S. VENTURA, A. C. T. FARAGO, P. V. MONDIN, C. A. RAMAN, V. BRITO, E. S. de RIBEIRO, P. R. V. BELTRAME, F. L. MANFRON, J. https://www.alice.cnptia.embrapa.br/alice/handle/doc/1186595 2026-05-09T15:16:49Z 2026-01-01T00:00:00Z

Título: Exploring anatomical and chemical markers to characterize and differentiate among Bidens species. Autoria: SABEDOTTI, C.; SILVEIRA, I. DA; MIGACZ, I. P.; CRUZ, L. S.; VENTURA, A. C. T.; FARAGO, P. V.; MONDIN, C. A.; RAMAN, V.; BRITO, E. S. de; RIBEIRO, P. R. V.; BELTRAME, F. L.; MANFRON, J. Conteúdo: Bidens pilosa L., Bidens alba (L.) DC., and Bidens subalternans DC., Asteraceae, are often misidentified because of their morphological similarities. The present study provides a comparative analysis of the morpho-anatomical characteristics, histochemical, and chemical fingerprints obtained by liquid chromatography mass spectrometry for these three species. Light microscopy, field emission scanning electron microscopy, and energy-dispersive X-ray spectroscopy were used to characterize diagnostic structures. Histochemical assays and LC-MS were applied to obtain chemical information from leaf, stem, and root extracts, and multivariate chemometrics including principal component analysis were used to classify the datasets. The morpho-anatomical and histochemical analysis allowed the identification and differentiation of the three species; also, the LC-MS analysis revealed that the main compounds in Bidens extracts are phenolics, and using chemometrics methods was possible to discriminate by species and plant parts. Together, these complementary approaches provide a robust basis for distinguishing closely related Bidens species and support more reliable pharmacognostic identification.

2026-01-01T00:00:00Z FORTINI, T. V. L. RIBEIRO, M. G. C. CÂNDIDO, F. G. ROCHA, D. M. U. P. HERMSDORFF, H. H. M. https://www.alice.cnptia.embrapa.br/alice/handle/doc/1185733 2026-03-28T12:04:09Z 2026-01-01T00:00:00Z

Título: Effects of avocado (Persea americana) fruit and byproducts on molecular pathways related to oxi-inflammation: a systematic review of randomized clinical trials. Autoria: FORTINI, T. V. L.; RIBEIRO, M. G. C.; CÂNDIDO, F. G.; ROCHA, D. M. U. P.; HERMSDORFF, H. H. M. Conteúdo: Context Chronic inflammation and oxidative stress are associated with the development of chronic diseases such as diabetes, osteoarthritis (OA), and cardiovascular conditions, while avocado (Persea americana) has anti-inflammatory and antioxidant potential, which supports its nutritional and nutraceutical prescription. Objective In this review we sought to investigate the effects of acute and chronic consumption of avocado and its byproducts on molecular pathways related to oxi-inflammation in adults. Data Sources In this systematic review, we searched the PubMed, Embase, and Cochrane databases from May 2024 through April 2025. Data Extraction To identify randomized clinical trials (RCTs), we used Population, Intervention, Comparator, Outcomes, Study design (PICOS) criteria and Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines for result presentation. The risk of bias analysis was performed using the JBI (Joanna Briggs Institute) tool. Additionally, a nutrigenomic theoretical model was developed and validated by experts to integrate clinical findings with mechanistic evidence on transcriptional pathways related to oxi-inflammation. Data Analysis Among 982 studies identified, 14 RCTs (n = 2438) of moderate to high quality were included in this review, with 10 studies evaluating avocado pulp, 3 evaluating avocado and soy unsaponifiable (ASU), and 1 study evaluating the effect of avocado pulp and powder skin. The byproducts included fresh pulp, pulp combined with meals, freeze-dried pulp flour, and fatty acids extracted from pulp (ASU). From the 4 postprandial studies (n = 67), with doses ranging from 68  to 489 g of avocado pulp, 3 had reduction in inflammatory markers such as tumor necrosis factor α (TNF-α), nuclear factor–κB (NF-κB), and interleukin 6 (IL-6), as well as an increased total antioxidant capacity. In the 10 chronic studies (n = 2371), with a mean duration of 18.4 ± 5.6 weeks, doses of 300 mg/d of ASU or avocado in various quantities and types, concentrations of interleukin-1 beta (IL-1β), TNF-α, and oxidized low-density lipoprotein (ox-LDL) were reduced, while antioxidant enzymes such as superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH) increased in individuals with overweight, obesity, or osteoarthritis compared to the placebo control group. Among the studies, only 1 chronic study investigated gene expression of inflammatory and oxidative stress markers, highlighting a research gap in this area. Although this review was conceptually grounded in a nutrigenomics perspective, we acknowledge the limited number of RCTs directly assessing gene expression or transcriptomic outcomes. The validated model highlighted potential modulation of nuclear factor erythroid 2-related factor 2 (Nrf2-) dependent antioxidant pathways and inhibition of toll-like receptor 4 (TLR4)/NF-κB signaling by bioactive compounds from avocado and its byproducts. Conclusion Despite the limited data on gene expression, the results suggest that both acute and chronic avocado consumption may beneficially modulate oxi-inflammation, especially in pro-inflammatory conditions. The theoretical model reinforces the biological plausibility of the clinical findings and provides a mechanistic framework for understanding how avocado components may influence oxi-inflammatory responses. Further studies are necessary to evaluate these effects using a molecular approach.

2026-01-01T00:00:00Z BARROS, M. DE O. PICONE, C. S. F. LU, Y. BRITO, E. S. de ROJAS, O. J. https://www.alice.cnptia.embrapa.br/alice/handle/doc/1184481 2026-02-22T02:29:41Z 2026-01-01T00:00:00Z

Título: Cooperative stabilization of pickering emulsions by starch and chitin nanoparticles: roles of ball-milling, gelatinization, adsorption, and viscosity behavior. Autoria: BARROS, M. DE O.; PICONE, C. S. F.; LU, Y.; BRITO, E. S. de; ROJAS, O. J. Conteúdo: We demonstrate enhanced Pickering emulsion stabilization by modified starch nanoparticles (SNP) through their combination with chitin nanocrystals (ChNC). The effect of the biopolymer’s ratio on the emulsion stabilization mechanisms was elucidated based on their role at the interface and bulk phases. The stabilization achieved with a 1:1 (SNP:ChNC) ratio surpasses that of other ratios studied, exhibiting a synergistic effect compared with neat SNP and the 10:1 and 5:1 systems. Emulsion stability was further improved by applying thermal pretreatment to the aqueous phase before homogenization. The heat-treated 1:1 emulsion maintained a consistent droplet size (∼3.4 μm) over four months, even after slow creaming. This stability is attributed to SNP adsorption at the oil–water interface, providing a mechanical barrier to droplet’s coalescence, while ChNC is also present in the oil–water interface and forms a colloidal network in the continuous phase, hindering droplet’s mobility and preventing Ostwald ripening. These findings expand the application of chitin as an emulsifier and address the rising demand for healthier and sustainable emulsified formulations with reduced costs.

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