Results: 22

Smoke of Capsicum baccatum L. var. baccatum (Solanaceae) repels nymphs of triatoma infestans (Klug) (Hemiptera: Reduviidae)

Control of the Chagas disease vector, Triatoma infestans (Klug) (Hemiptera: Reduviidae) with synthetic pesticides in Bolivia has become increasingly inefficient due to the development of resistance in the insects. In the Chaco region of Bolivia, guaraní populations have approached the problem by fumig...

Caracterização de cereja-do-rio grande (Eugenia involucrata DC. ) e grumixama (Eugenia brasiliensis LAM. ), frutos nativos da Mata Atlântica, quanto a compostos voláteis e precursores

Mesmo reduzida e fragmentada, o vasto bioma da Mata Atlântica abriga milhares de plantas. Como destaque, tem-se as espécies frutíferas, aos quais podem ser atribuídas um importante valor para a segurança alimentar, nutricional e sociocultural. Entre elas, têm-se a cereja-do-rio grande (Eugenia invo...

Caracterização de cereja-do-rio grande (Eugenia involucrata DC. ) e grumixama (Eugenia brasiliensis LAM. ), frutos nativos da Mata Atlântica, quanto a compostos voláteis e precursores

Mesmo reduzida e fragmentada, o vasto bioma da Mata Atlântica abriga milhares de plantas. Como destaque, tem-se as espécies frutíferas, aos quais podem ser atribuídas um importante valor para a segurança alimentar, nutricional e sociocultural. Entre elas, têm-se a cereja-do-rio grande (Eugenia invo...

Valores de referencia regionales para parámetros, espirométricos en jóvenes de La Plata, provincia de Buenos Aires, Argentina

INTRODUCCIÓN: En los estudios espirométricos se recomienda que cada población cuente con sus propios valores de referencia debido a condiciones regionales y a características de tipo étnico, etario, social, geográfico y climático. Estudios previos muestran elevados niveles de material particulado,...

Electronic Nose, Tongue and Eye: Their Usefulness for the Food Industry

Vitae (Medellín); 27 (3), 2020
Background: The electronic nose, tongue, and eye are futuristic technologies that have been used for many years; they have been gaining market in different types of industries and can increasingly be found in the food area; their function is to determine sensory characteristics (smell, aroma, and flavor)...

Chemical composition, antimicrobial and antioxidant activity of the essential oil of leaves of Eugenia involucrata DC

Biosci. j. (Online); 36 (2), 2020
In the Myrtaceae family, the species Eugenia involucrata DC., popularly known as "cerejeira-do-mato", is traditionally used for the antidiarrheal and digestive action of its leaves. However, no studies were found in the literature regarding its antimicrobial and antioxidan...

Enzyme Production by Induratia spp. Isolated from Coffee Plants in Brazil

Abstract Endophytic fungi belonging to the genus Muscodor now transferred to Induratia are known producers of bioactive volatile organic compounds (VOCs) with many industrial applications. However, the members of this genus have rarely been reported to produce non-volatile metabolites including enzyme. E...

Multivariate optimization of a HS-SPME/GC-MS technique for the characterization of volatile compounds present in Hedeoma multiflorum Benth

The aim of the present work was to optimize the main experimental variables of a procedure using HS-SPME/GC-MS as the analytical methodology to establish the profile of the volatile compounds present in aerial parts of Hedeoma multiflorum Benth. The influence of the type of fiber, equilibrium time, extra...

Estudo longitudinal da halitose por meio da cromatografia gasosa

RFO UPF; 24 (2), 2019
Objetivos: correlacionar os exames organolépticos (método subjetivo) e a cromatografia gasosa (método objetivo) para diagnóstico conclusivo da halitose e avaliar o comportamento dos compostos sulfurados voláteis (CSVs) durante o manuseio clínico desta patologia. Metodologia: estudo longitudinal com...

Phenolic Profile, Essential Oil Composition and Bioactivity of Lasia spinosa (L) Thwaites

Abstract Lasia spinosa (L.) Thwaites is a widely used ethnomedicinal plant in Bangladesh. In this study, we investigated phenolic contents, volatile compounds and fatty acids, and essential oil components of extracts prepared from aerial parts of the plant. The main volatile compounds were methyl ester o...