Background and aims: Tooth decay is one of the most common chronic diseases around the world and this problem is the result of variety of different bacteria. Streptococcus mutants is one of the most important bacteria which is related to this disease. Finding new effective antibacterial agents is an important area in bioscience for fighting and controlling bacterial infections. Essential oils a...

Hydrodistilled oils of the fresh aerial parts of Mentha suaveolens Ehrh. cultivated in Egypt were prepared from samples collected along the four seasons. The percentage yields of these essential oils were 0.50%, 0.52%, 0.60%, and 0.47% of the dry weight for winter, spring, summer, and autumn samples. GC/MS analyses of all samples revealed a qualitative and quantitative variability in the oil co...

The postharvest life of most fruit, vegetables and cereals is limited by fungal proliferation. chemical composition Mentha piperita, M. spicata suaveolens essential oils (EO), the antifungal activity against four pathogenic post-harvest fungi isolated from food, were herein investigated to evaluate their potential as natural food preservatives. EO obtained hydrodistillation aerial parts leaves,...

O trabalho analisa as características socioeconômicas e ambientais de quintais urbanos no município Marituba, Região Metropolitana Belém, estado do Pará. Os dados foram obtidos a partir da aplicação 32 questionários, junto aos participantes projeto Quintais Amazônicos Maritubenses, tecnologia social que desenvolve metodologias, técnicas produtos em interação com comunidade, visando inclusão pro...

O cálcio, boro e potássio são nutrientes importantes no crescimento desenvolvimento das plantas, contribuindo na divisão celular, revestimento da parede transportes de via membrana plasmática, ativação enzimática, translocação metabólicos xilema floema, biossíntese metabolismo carboidratos, pigmentos, cromoproteínas dentre outros efeitos. objetivo deste trabalho foi demonstrar os efeitos fisiol...