Results 21 to 30 of about 70,371 (306)

Effect of Extraction Methods on Essential Oil Composition: A Case Study of Irish Bog Myrtle-Myrica gale L.

open access: yesSeparations, 2023
Myrica gale is an aromatic peatland shrub that has reported traditional use as an insect repellent. Different extraction methodologies were used in this study to isolate the essential oil of Myrica gale L., including Clevenger hydrodistillation (CH) and ...
Shipra Nagar   +4 more
doaj   +1 more source

Metabolomics approach to identify key volatile aromas in Thai colored rice cultivars

open access: yesFrontiers in Plant Science, 2023
In addition to white jasmine rice, Thailand has many native-colored rice varieties with numerous health benefits and the potential to become a global economic crop.
Rossarin Tansawat   +8 more
doaj   +1 more source

Leek or Garlic? A Chemical Evaluation of Elephant Garlic Volatiles

open access: yesMolecules, 2020
“Aglione della Valdichiana” is listed among the Traditional Agronomic and Edible Products of Italy, as it is a typical product of the Chiana Valley (Tuscany, Italy).
Roberta Ascrizzi, Guido Flamini
doaj   +1 more source

A Mixed-Method Assessment of a 10-Day Mobile Mindfulness Intervention

open access: yesFrontiers in Psychology, 2021
Mobile mindfulness interventions represent a promising alternative to traditional in-person interventions that are resource demanding and have limited accessibility, preventing use by many populations.
Ilana Haliwa   +5 more
doaj   +1 more source

Effects of nitrogen gas flushing in comparison with argon on rumen fermentation characteristics in in vitro studies

open access: yesJournal of Animal Science and Technology, 2020
In rumen in vitro experiments, although nitrogen gas (N2) flushing has been widely used, its effects on rumen fermentation characteristics are not clearly determined.
KiYeon Park, HongGu Lee
doaj   +1 more source

Quantitation of Select Terpenes/Terpenoids and Nicotine Using Gas Chromatography–Mass Spectrometry with High-Temperature Headspace Sampling

open access: yesACS Omega, 2020
Plants are the main sources of many high-value bioactive terpenoids used in the medical, fragrance, and food industries. Increasing demand for these bioactive plants and their derivative products (e.g., cannabis and extracts thereof) requires robust ...
Trinh-Don Nguyen   +4 more
semanticscholar   +1 more source

Quantitation of Flavor Compounds in Refill Solutions for Electronic Cigarettes Using HS-GCxIMS and Internal Standards

open access: yesMolecules, 2022
New regulations on the use of flavor compounds in tobaccoless electronic cigarettes require comprehensive analyses. Gas chromatography coupled ion mobility spectrometry is on the rise as an analytical technique for analyzing volatile organic compounds as
Alexander L. R. M. Augustini   +2 more
doaj   +1 more source

Salivary Volatile Organic Compound Analysis: An Optimised Methodology and Longitudinal Assessment Using Direct Injection Mass Spectrometry

open access: yesApplied Sciences, 2023
Analysis of salivary volatile organic compounds (VOCs) may offer a novel noninvasive modality for disease detection. This study aims to optimise saliva headspace VOC analysis and assess longitudinal variation of salivary VOCs.
Bhamini Vadhwana   +5 more
doaj   +1 more source

Validation of a method for ethanol analysis in biological and non-biological samples and its toxicological application [PDF]

open access: yesHemijska Industrija, 2021
A simple, cost-effective and fast headspace gas chromatography method coupled with flame ionization detection (HS-GC/FID) for determination of ethanol was developed and validated for clinical and forensic toxicology purposes.
Kostić Emilija   +2 more
doaj   +1 more source

Development and evaluation of an inhalation chamber for in vivo tests

open access: yesAnais da Academia Brasileira de Ciências, 2017
The bioavailability, toxicity, and therapeutic efficacy of a drug is directly related to its administration route. The pulmonary route can be accessed by inhalation after fumigation, vaporization or nebulization.
EDUARDO R. DA SILVA   +5 more
doaj   +1 more source

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