Recent Submissions
This study analyzes the popularization of science as a pedagogical strategy for food security, biodiversity, and socioterritorial inclusion in traditional and vulnerable communities of the state of Rio de Janeiro, Brazil. Strengthening of community autonomy, improvements in food security, and sus...
The seeds constitute approximately 3.34% (w/w) of pumpkin (Cucurbita moschata), a byproduct rich in bioactive compounds. Cucurbita seeds may contain approximately 33% oil with a unique composition and nutritional value. The present study aimed to obtain pumpkin (C. moschata) seed oil by...
The content of biophenols and tocopherols in 18 Brazilian extra virgin olive oils from six cultivars was analyzed by UPLC-UV-MS. Secoiridoids were the main phenolics found. Alpha-tocopherol corresponded to c.a. 80 % of total tocopherols. Commercial production of olive oil in Brazil has&...
The profile of fatty acids is an important marker for the identity of olive oils. Eleven samples of monovarietal Arbosana Brazilian olive oils were analyzed. Three did not pass the regulation limits, but experimental evidence from other regions points out this may be due to&#x...
This study highlights the significance of acid functionalization in enhancing the adsorption capacity of bentonite clay from Novo Hamburgo, Brazil, for the efficient removal of methylene blue (MB) from wastewater. Employing hydrochloric (HCl) or sulfuric acid (H2SO4) for acid activation, we ...
Este trabalho descreve ações de popularização da ciência em comunidades tradicionais e periféricas no estado do Rio de Janeiro, focadas na valorização cultural, formação de agentes multiplicadores e inclusão socioterritorial. A seleção de territórios usou indicadores de vulnerabilidade social (IVS,&#x...
Relata-se a implementação de um sistema de microaspersão em horta urbana com alunos de turmas do segundo segmento do ensino fundamental de uma escola municipal no Rio de Janeiro-RJ, integrando matemática e ciências em práticas pedagógicas interdisciplinares. Utilizando tensiômetros, planilhas ele...
Plant-based beverages are a viable alternative for elderly consumers because of their practicality and sustainable appeal. The use of Brazil nuts for these beverages is relevant because of the added value given to the country’s agrobiodiversity and the nuts’ nutritional quality, including&#x...
Chickpea (Cicer arietinum L.) is the third most cultivated and consumed pulses worldwide, after bean and pea, and is commonly commercialized in the form of seeds, flour or canned. Grains are rich in proteins with the potential to be an alternative source of protein for hu...
In this work we performed the extraction of essential oils from Nutmegs produced in Brazil and Thailand, through hydrodistillation with a Clevenger modified apparatus. With the use of two-dimensional chromatography, coupled to a mass spectrometer, CG-CG/MS, analyzes were performed of its...