Results 41 to 50 of about 24,237 (229)

Monitoring and Mitigation Strategies for Hazardous Compounds in Chinese Rice Wine (Huangjiu): A Comprehensive Review

open access: yesFood Safety and Health, EarlyView.
This review elucidates the formation pathways and detection technologies for ethyl carbamate, biogenic amines, and higher alcohols in Huangjiu. It concludes that integrated control frameworks are essential to decouple safety risks from the metabolic processes responsible for flavor development.
Lulu Liu   +5 more
wiley   +1 more source

Characterization of Key Odorants in Lushan Yunwu Tea in Response to Intercropping with Flowering Cherry

open access: yesFoods
Lushan Yunwu tea (LSYWT) is a famous green tea in China. However, the effects of intercropping tea with flowering cherry on the overall aroma of tea have not been well understood.
Yinxiang Gao   +9 more
doaj   +1 more source

Authenticity Control of Alpine Aromatic Plants by Enantioselective Gas Chromatography–Mass Spectrometry. Part 1: White genepi (Artemisia umbelliformis Lam.)

open access: yesCHIMIA, 2003
A method for the authenticity control of the alpine aromatic plant white genepi (Artemisia umbelliformis Lam.) was developed by means of coupling headspace solid-phase microextraction with enantioselective GC–MS.
Matthias Wüst, Umberto Piantini
doaj   +1 more source

The Application of Headspace Solid-phase Microextraction as a Preparation Approach for Gas Chromatography with Mass Spectrometry [PDF]

open access: yesKemija u Industriji, 2020
Reviewed in brief are the selected results of the application of headspace solid-phase microextraction as a preparative approach for gas chromatography – mass spectrometry (HS-SPME/GC-MS) for natural organic compounds research at the University of Split,
Igor Jerković   +4 more
doaj   +1 more source

Use of headspace solid-phase microextraction for the analysis and characterisation of volatile compounds in rumen contents : a thesis presented in partial fulfillment of the requirements for the degree of Masterate of Science in Chemistry at Massey University [PDF]

open access: yes, 2005
Appendix 2&3 removed due to copyright restrictions. Please consult print copy in Library.Volatile fatty acids (VFAs), alkyl phenols and indolic compounds are produced by rumen microbes during the fermentation of forages in ruminants.
Lu, Shengyi
core  

Analysis of Mars Analogue Soil Samples Using Solid-Phase Microextraction, Organic Solvent Extraction and Gas Chromatography/Mass Spectrometry [PDF]

open access: yes, 2011
Polycyclic aromatic hydrocarbons (PAHs) are robust and abundant molecules in extraterrestrial environments. They are found ubiquitously in the interstellar medium and have been identified in extracts of meteorites collected on Earth.
Ehrenfreund, P.   +5 more
core   +2 more sources

Biological activities and bioactive constituents of Flammulina velutipes: An updated systematic review

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Flammulina velutipes (enokitake) is an edible mushroom recognized for both its nutritional and medicinal properties. It exhibits a broad spectrum of biological activities, including antioxidant, anti‐inflammatory, antitumor, immunomodulatory, and gut microbiota‐regulating effects.
Rıdvan Özgen   +2 more
wiley   +1 more source

Optimization of Solid Phase Micro-Extraction (SPME) for Monitoring Occupational Exposure to Ethyl Benzene [PDF]

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2009
Background and Objectives: Analytical methods for volatile organic compounds (VOCs) in different samples need extraction of compounds, by applying hazardous solvents. Solid phase micro-extraction (SPME) is a solvent-free equilibrium extraction method, in
H. Heidari   +4 more
doaj   +2 more sources

Optimization of HS-SPME-GC/MS Analysis of Volatile Components in Camellia Seed Oil

open access: yesLiang you shipin ke-ji, 2021
An analysis method for the volatile components of squeezed Camellia oleifera seed oil was established by using automatic sample preparation-headspace solid phase microextraction (HS-SPME)combined with gas chromatography-mass spectrometry (GC/MS ...
YANG Kai-zhou   +7 more
doaj   +1 more source

Effects of Swine Dietary Treatment on Odor and VOCs Emitted from Swine Manure [PDF]

open access: yes, 2007
Odor and VOCs emissions associated with swine production facilities is a major concern for the swine industry. Swine manure is one of the major sources of odor from swine operations.
Cai, Lingshuang   +6 more
core   +3 more sources

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