Results 1 to 10 of about 9,319 (212)

Assessment of Odour Emission During the Composting Process by Using Olfactory Methods and Gas Sensor Array Measurements [PDF]

open access: yesSensors
The final stage of green waste treatment typically occurs in composting plants, where waste is biologically stabilised through the activity of microorganisms. The composting process is accompanied by the emission of volatile organic compounds responsible
Mirosław Szyłak-Szydłowski   +4 more
doaj   +2 more sources

Meta-Analysis and Analytical Methods in Cosmetics Formulation: A Review

open access: yesCosmetics, 2023
The ever-evolving cosmetic industry requires advanced analytical techniques to explore, understand, and optimize product performance at nano, micro, and macroscopic levels. Nowadays, these insights are crucial for translating microstructure behavior into
Felipe Rico   +6 more
doaj   +1 more source

Alarm Pheromone Responses Depend on Genotype, but Not on the Presence of Facultative Endosymbionts in the Pea Aphid Acyrthosiphon pisum

open access: yesInsects, 2021
Aphids use an alarm pheromone, E-β farnesene (EBF), to warn conspecifics of potential danger. The antennal sensitivity and behavioural escape responses to EBF can be influenced by different factors.
Cesar Auguste Badji   +6 more
doaj   +1 more source

A non-randomized comparative study of olfactory and gustatory functions in children who recovered from COVID-19 (1-year follow-up)

open access: yesFrontiers in Pediatrics, 2022
The experimental group included 68 children over 6 years of age who had recovered from COVID-19. The control group included 22 children over 6 years of age who have never had COVID-19.
Leyla Namazova-Baranova   +30 more
doaj   +1 more source

Gas chromatography‐olfactometry [PDF]

open access: yesJournal of Separation Science, 2006
AbstractGC‐olfactometry (GC‐O) refers to the use of human assessors as a sensitive and selective detector for odour‐active compounds. The aim of this technique is to determine the odour activity of volatile compounds in a sample extract, and assign a relative importance to each compound.
Conor M, Delahunty   +2 more
openaire   +2 more sources

Development and Validation of a New Method for Detecting Acetic Bacteria in Wine

open access: yesFoods, 2023
In winemaking, excessive production of acetic acid by acetic acid bacteria poses a major challenge, leading to rejection of wine by consumers. The aim of this study was to devise an economically viable and easy-to-use liquid culture medium for the ...
Alejandro Parra   +4 more
doaj   +1 more source

Electronic Noses and Their Applications for Sensory and Analytical Measurements in the Waste Management Plants—A Review

open access: yesSensors, 2022
Waste management plants are one of the most important sources of odorants that may cause odor nuisance. The monitoring of processes involved in the waste treatment and disposal as well as the assessment of odor impact in the vicinity of this type of ...
Justyna Jońca   +3 more
doaj   +1 more source

Sensory and Olfactometry Chemometrics as Valuable Tools for Assessing Hops’ Aroma Impact on Dry-Hopped Beers: A Study with Wild Portuguese Genotypes

open access: yesFoods, 2021
Sensory, olfactometry (using the sums of odour intensities for each class of compounds) and chemometric analyses were used to evaluate Portuguese wild hops’ sensory characteristics and the aroma that those hops impart to dry-hopped beer.
Júlio C. Machado   +7 more
doaj   +1 more source

Honey volatiles as a fingerprint for botanical origin: a review on their occurrence on monofloral honeys [PDF]

open access: yes, 2020
Honeys have specific organoleptic characteristics, with nutritional and health benefits, being highly appreciated by consumers, not only in food but also in the pharmaceutical and cosmetic industries. Honey composition varies between regions according to
Figueiredo, Ana Cristina   +3 more
core   +1 more source

Subjective and Objective Assessments of Post-traumatic Olfactory Dysfunction

open access: yesFrontiers in Neurology, 2020
Introduction: Traumatic brain injuries are the most common cause of olfactory dysfunction. Deficits in olfaction may be conductive or neurosensory in nature, with varying degrees of impairment resulting in a diminished quality of life and an increased ...
Nattakarn Limphaibool   +10 more
doaj   +1 more source

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