Results 11 to 20 of about 132,078 (313)

A neuroimaging study of pleasant and unpleasant olfactory perceptions of virgin olive oil [PDF]

open access: yes, 2016
Functional magnetic resonance imaging (fMRI) has been used to collect information from neurons that receive direct input from olfactory bulbs when subjects smell virgin olive oil. The pleasant aroma of three extra virgin olive oils (var.
Aparicio López, Ramón   +4 more
core   +3 more sources

Investment and Oil Price Volatility [PDF]

open access: yesSSRN Electronic Journal, 2011
In this note, we consider the relationship between oil price volatility and firm returns for 560 firms listed on the New York Stock Exchange. Using daily time series data from 2000 to 2008, we find that oil price volatility increases firm returns for the majority of the firms in our sample.
Susan Sunila Sharma   +1 more
openaire   +2 more sources

Eucalyptus oleosa Essential Oils: Chemical Composition and Antimicrobial and Antioxidant Activities of the Oils from Different Plant Parts (Stems, Leaves, Flowers and Fruits) [PDF]

open access: yes, 2011
Essential oils obtained by hydrodistillation from the different parts (stems, adult leaves, immature flowers and fruits) of Eucalyptus oleosa were screened for their antioxidant and antimicrobial properties and their chemical composition. According to GC-
Ahmed Lebrihi   +21 more
core   +4 more sources

Antibacterial and insecticidal activity of volatile compounds of three algae species of Oman Sea

open access: yesInternational Journal of Secondary Metabolite, 2016
Many of the volatile oils showed important biological and pharmacological activities, these compounds as part of the traditional medicine in many cultures used as long time.
Ardalan Pasdaran   +2 more
doaj   +1 more source

Plant-Based Insect Repellents: A Review Of Their Efficacy, Development and Testing. [PDF]

open access: yes, 2011
Plant-based repellents have been used for generations in traditional practice as a personal protection measure against host-seeking mosquitoes. Knowledge on traditional repellent plants obtained through ethnobotanical studies is a valuable resource for ...
Maia, Marta Ferreira, Moore, Sarah J
core   +5 more sources

Liquid and vapour phase of lavandin (Lavandula × intermedia) essential oil: chemical composition and antimicrobial activity [PDF]

open access: yes, 2019
Essential oils from Lavandula genus and the obtained hybrids are widely used for different purposes such as perfume production in the cosmetic field and for its biological properties.
Garzoli, S.   +5 more
core   +1 more source

Volatile organic compounds produced by some synthetic essential oils as biological fumigants against Botrytis cinerea on apples

open access: yesChemical and Biological Technologies in Agriculture, 2023
Background Gray mold, attributed to Botrytis cinerea, poses a substantial threat to food security in fruit-growing regions impacted by global climate change. Addressing this disease requires the utilization of either resilient plant varieties or advanced
Sinem Karakus   +5 more
doaj   +1 more source

Characterisation of Olive Oils from the Douro Valley, Portugal: Study of the Volatile Fraction and Its Relationship with Sensory Characteristics

open access: yesApplied Sciences, 2022
In recent years, the demand for olive oils from the Douro region (Portugal) has increased in line with wine. Thus, it is essential to characterise these olive oils to evaluate them.
Kevin Silva   +3 more
doaj   +1 more source

Effects of caffeic acid and bovine serum albumin in reducing the rate of development of rancidity in oil-in-water and water-in-oil emulsions [PDF]

open access: yes, 2011
The antioxidant properties of caffeic acid and bovine serum albumin in oil-in-water and water-in-oil emulsions were studied. Caffeic acid (5 mmol/kg emulsion) showed good antioxidant properties in both 30% sunflower oil-in-water (OW) and 20% water-in ...
Conde, Enma   +3 more
core   +1 more source

Detection of hydrocarbon contaminants in groundwater systems [PDF]

open access: yes, 2020
We present a study of groundwater contaminants from infiltration of heavy hydrocarbon pollution sources. This study primarily focuses on the volatile and non-volatile components of crude and processed oils.
Iceman, Christopher   +3 more
core   +1 more source

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