Results 31 to 40 of about 47,971 (274)

Evaluation of the Insecticidal Activities of α-Pinene and 3-Carene on Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae)

open access: yesInsects, 2020
Pest management in most sub-Saharan subsistence agriculture involves mainly the use of botanicals that are either applied as powders, solvent extracts, ash or essential oils.
Jacob D. Langsi   +5 more
doaj   +1 more source

Essential Oils of Lamiaceae Family Plants as Antifungals

open access: yesBiomolecules, 2020
The incidence of fungal infections has been steadily increasing in recent years. Systemic mycoses are characterized by the highest mortality. At the same time, the frequency of infections caused by drug-resistant strains and new pathogens e.g., Candida ...
Tomasz M. Karpiński
doaj   +1 more source

Enantiomeric Ratio Changes of Terpenes in Essential Oils from Hybrid Eucalyptus grandis × E. tereticornis and its Pure Species [PDF]

open access: yes, 2018
Some Eucalyptus species produce oils with biological activities and the effect of their interspecifc hybridization on the enantiomeric composition of terpenes has not been reported.
Alvarez Costa, Agustin   +4 more
core   +2 more sources

Biological Activities of Essential Oils: From Plant Chemoecology to Traditional Healing Systems

open access: yesMolecules, 2017
Essential oils are complex mixtures of hydrocarbons and their oxygenated derivatives arising from two different isoprenoid pathways. Essential oils are produced by glandular trichomes and other secretory structures, specialized secretory tissues mainly ...
Javad Sharifi-Rad   +12 more
doaj   +1 more source

Distribution modeling, soil properties, and variation in essential oils chemical composition of Rhanterium adpressum Coss. & Dur. [PDF]

open access: yes, 2019
Modeling the distribution of Rhanterium adpressum, an endemic species from southwestern Algeria, and the interactions of soil’s chemical properties with the variability of chemical composition of its essential oils makes the objective of this study ...
Elhouiti, Fatiha   +3 more
core   +2 more sources

Atividade antimicrobiana de óleos essenciais em bactérias patogênicas de origem alimentar Antimicrobial activity of essential oils against sessile and planktonic pathogens of food source

open access: yesRevista Brasileira de Plantas Medicinais, 2012
Objetivou-se identificar e quantificar os constituintes e avaliar a atividade antimicrobiana dos óleos essenciais de Mentha piperita, Cymbopogon citratus, Ocimum basilicum e Origanum majorana contra cepas de Escherichia coli enteropatogênica, Salmonella ...
C. Valeriano   +3 more
doaj   +1 more source

Adaptation of hydroxymethylbutenyl diphosphate reductase enables volatile isoprenoid production

open access: yeseLife, 2020
Volatile isoprenoids produced by plants are emitted in vast quantities into the atmosphere, with substantial effects on global carbon cycling. Yet, the molecular mechanisms regulating the balance between volatile and non-volatile isoprenoid production ...
Mareike Bongers   +7 more
doaj   +1 more source

Production of Secondary Organic Aerosol During Aging of Biomass Burning Smoke From Fresh Fuels and Its Relationship to VOC Precursors [PDF]

open access: yes, 2019
After smoke from burning biomass is emitted into the atmosphere, chemical and physical processes change the composition and amount of organic aerosol present in the aged, diluted plume. During the fourth Fire Lab at Missoula Experiment, we performed smog-
Ahern, A. T   +11 more
core   +2 more sources

Condensed Phase Kinetic Studies of Hydroxynitrates Derived from the Photooxidation of Carene, Limonene, trans-Carveol, and Perillic Alcohol

open access: yesAtmosphere, 2022
Organic hydroxynitrates (HNs) are key products of hydrocarbon oxidation in the atmosphere. Understanding the fate and processing of these molecules is critical due to their function in the sequestration of NOx species from the atmosphere and in the ...
James I. Vesto   +7 more
doaj   +1 more source

Estimating European volatile organic compound emissions using satellite observations of formaldehyde from the Ozone Monitoring Instrument [PDF]

open access: yes, 2010
Emission of non-methane Volatile Organic Compounds (VOCs) to the atmosphere stems from biogenic and human activities, and their estimation is difficult because of the many and not fully understood processes involved.
Chance, K.   +4 more
core   +2 more sources

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