Results: 264

Preformulation studies for the development of a microemulsion formulation from Ambrosia peruviana All, with anti-inflammatory effect

Abstract Natural products are considered an important source of the therapeutic arsenal currently available. Among these alternatives are the seeds of Ambrosia peruviana (altamisa), whose extract has shown an anti-inflammatory effect. The main objective of this work was to perform a preformulation study ...

Produtividade de híbridos de milho pipoca submetidos a diferentes populações na semeadura

Quando se trata de milho pipoca o Brasil é o segundo maior produtor, mas necessitando ainda de importações para suprir a demanda interna do país, visto a importância de estudos que melhor explorem as recomendações agronômicas para a cultura do milho pipoca. Assim, o presente estudo objetivou aval...

Techno-functional properties and antioxidant capacity of the concentrate and protein fractions of Leucaena spp. seeds

Arch. latinoam. nutr; 72 (3), 2022
Introduction: The use of vegetable proteins as ingredients in food systems is based on their functional properties. The water and oil holding capacity, foaming, and emulsifying capacity/stability, and antioxidant assay of the protein fractions - albumins, globulins 7S/11S, glutelins and prolamins - isola...

Estudo de métodos naturais para redução de doenças fúngicas em sementes nativas da região Amazônica

Hig. Aliment. (Online); 36 (294), 2022
Existe uma preocupação na produção de alimentos com a segurança sanitária desde o processo de cultivo até a sua expedição aos centros comerciais. Uma das maiores contaminações em sementes por suas características físicas e químicas, é a contaminação fúngica devida à acidez e umidade do...

Antibacterial and hemolytic activity of extracts and compounds obtained from epicarps and seeds of Garcinia madruno(Kunth) Hammel

This paper describes the evaluation of the antimicrobial and hemolytic activity of the hexane, dichloromethane, ethyl acetate and methanol extracts from seeds and epicarps of Garcinia madruno; as well garcinol, morelloflavone and volkensiflavone isolated from the same species. In the preliminary test of...

Seed germination of Hesperozygis ringens (Benth. ) Epling, an endemic and threatened species

Acta sci., Biol. sci; 44 (), 2022
Hesperozygis ringens (Lamiaceae), popularly known as espanta-pulga, is a threatened species endemic to rocky and sandy regions of the Pampa biome. One factor that can influence the low number of individuals of a species is a low seed germination rate influenced by temperature and/or light. Thus, the obje...

Correlation of biometric characteristics of fruits and seeds with the vigor of Agonandra brasiliensis seedlings in northern Amazonia

Biosci. j. (Online); 38 (), 2022
The goal of this study was to determine and correlate the main morphometric characteristics of fruits, seeds, and seedling vigor of Agonandra brasiliensis, in Roraima. The design was completely randomized with three treatments, consisting of six replications with 20 seeds. The treatments established were...

Evaluation of the physiological potential of Panicum maximum seeds by multivariate analysis

Biosci. j. (Online); 38 (), 2022
The aim of this work was to identify efficient vigor tests for differentiating the seed lots, forecasting seedling emergence in the field and assessing the physiological quality of Panicum maximum seeds. 12 seed lots from the cultivar Tanzania and 11 seed lots from the cultivar Massai were evaluated for ...

Luminosity, temperature, and substrates on the germination of Solanum capsicoides

Biosci. j. (Online); 38 (), 2022
Solanum capsicoides, commonly known as red soda apple, is a little-studied species with phytotherapeutic characteristics of interest to the pharmaceutical industry. However, little is known about its agronomic characteristics. Therefore, this study aimed to assess the effect of light, different temperatu...

Doses of sulfur at topdressing and organic compost supply at planting in the production, quality and content of macronutrients in lettuce seeds

Biosci. j. (Online); 38 (), 2022
The purpose of this study was to evaluate doses of sulfur applied at topdressing, with and without organic compost supply at planting, in the production, physiological quality and content of macronutrients in lettuce seeds. Ten treatments were evaluated in a 5x2 factorial scheme (five sulfur doses at top...