Recent Submissions
The objective of this work was to evaluate the quality and shelf life of buriti oil and its coproduct, defatted cake, as high value-added food ingredients. The derivatives of buriti fruits were processed by a cooperative of family farmers in the north of the state of ...
The present study investigated composites prepared from banana pseudostem fibres (BF) and gum arabic (GA), in different for- mulations (0, 5, 10, 15, 20, 25 and 30 wt% GA), as an innovative material for fruit packaging. Experimentally, the fibres were ex- tracted using a therm...
Para avaliar a ocorrência da população fúngica em toda cadeia do café, abrangendo a micobiota externa e mesocarpo dos frutos, além da parte interna dos grãos, foram utilizados os meios de cultura de batata dextrose– ágar (BDA) e DG18. Este estudo foi conduzido na Embrapa ...
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 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...
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&...
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...