Raquel Oliveira dos Santos Fontenelle

ORCID: 0000-0003-1133-6231
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About
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Research Areas
  • Essential Oils and Antimicrobial Activity
  • Phytochemistry and Biological Activities
  • Food Safety and Hygiene
  • Phytochemistry Medicinal Plant Applications
  • Sesquiterpenes and Asteraceae Studies
  • Phytochemicals and Antioxidant Activities
  • Rural Development and Agriculture
  • Dental Health and Care Utilization
  • Plant Pathogens and Fungal Diseases
  • Dental Erosion and Treatment
  • Child Nutrition and Water Access
  • Natural product bioactivities and synthesis
  • Polysaccharides Composition and Applications
  • Bee Products Chemical Analysis
  • Agricultural and Food Sciences
  • Coconut Research and Applications
  • Microencapsulation and Drying Processes
  • Oral microbiology and periodontitis research

University for International Integration of the Afro-Brazilian Lusophony
2022

State University of Vale do Acaraú
2014-2021

Universidade Estadual do Ceará
2016-2017

This article describes the chemical composition of Vernonia chalybaea essential oil, and investigates its antimicrobial, antioxidant hemolytic activities. The evaluation antifungal activity was performed by broth microdilution method using strains yeasts dermatophytic fungi. checkerboard technique to find antimicrobial modulatory effects ketoconazole as standard drug. evaluated DPPH scavenging assay β-carotene/linoleic-acid system. toxicity characterized brine shrimp lethality test hemolysis...

10.1590/1678-4324-2020190177 article EN cc-by-nc Brazilian Archives of Biology and Technology 2020-01-01

RESUMO O crescente número de doenças infecciosas somado ao aumento contínuo da resistência antimicrobiana determinados micro-organismos justificam a busca constante por novos fármacos. Diante dessa situação, os vegetais representam uma fonte rica recursos bioativos interesse farmacológico, dentre quais família Verbenaceae, que possui representantes com potencial já confirmados contra diversos agentes patogênicos, especialmente o gênero Lippia L., cujas espécies são muito utilizadas na...

10.1590/2236-8906-68/2016 article PT cc-by Hoehnea 2017-04-01

Green coconut water is rich in nutrients and widely consumed the world. However, consumption of out good practices for food production treat consumer health. The aim this work was to evaluate microbiological quality sold by vendors street Sobral - CE. Samples fresh were collected bimonthly from four different points (named A, B, C D) during 12 months (n=24). characterized quantification total coliform (TC), thermotolerant (TTC) mesophilic aerobic bacteria (MAB). Most Probable Number (MPN)...

10.17564/2316-3798.2024v9n3p219-231 article EN Interfaces Científicas - Saúde e Ambiente 2024-05-07

ABSTRACT Dermatophytes are hyaline fungi that parasitize the keratinized tissue of humans and animals causing mycotic infections. Natural products promising molecules for development new antifungal drugs, due to phenomenon resistance toxicity. This study reports isolation identification lachnophyllum ester evaluates its antioxidant, modulatory activities against dermatophytes fungi. Lachnophyllum was obtained using a silica gel column chromatography essential oil from aerial parts Baccharis...

10.1590/s1519-99402122542021 article EN cc-by Revista Brasileira de Saúde e Produção Animal 2021-01-01

O sushi e um alimento feito a base de arroz temperado com molho vinagre, acucar e sal, combinado algum tipo cru peixe ou fruto do mar, mas como muitos alimentos que utilizam estes ingredientes o nao esta livre riscos saude, se torna uma preocupacao em relacao contaminacao por bacterias. Este trabalho tem objetivo avaliar qualidade microbiologica comercializado pontos especializados especializado na cidade Sobra-CE, para verificar presenca coliformes totais termotolerantes atraves da tecnica...

10.5892/ruvrd.v12i2.1447 article PT Revista da Universidade Vale do Rio Verde 2014-01-01

Objective: To evaluate the relation between ingestion of cariogenic foods by university students from African countries, presence dental caries and Candida spp. value salivary pH. Methods: Transversal analytic study, carried out at a Brazilian university. The was evaluated through questionnaire rate decayed, missing filled teeth determined (DMFT Index). quantify pH, an indicator strip immersed in collected saliva. Identification culture sample CHROMagar Candida™. analyze data, we applied...

10.31011/reaid-2022-v.96-n.38-art.1362 article EN cc-by Revista Enfermagem Atual In Derme 2022-05-05
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