Results 101 to 110 of about 48,888 (233)

Analysis of Volatile Components of Cape Gooseberry (Physalis peruviana L.) Grown in Turkey by HS-SPME and GC-MS

open access: yesThe Scientific World Journal, 2014
Volatile components in cape gooseberry fruit at ripe stage were collected using headspace-solid phase microextraction, and analyzed by gas chromatography-mass spectrometry.
Murat Yilmaztekin
doaj   +1 more source

Determination of total and available fractions of PAHs by SPME in oily wastewaters : overcoming interference from NAPL and NOM [PDF]

open access: yes, 2009
Background, aim, and scope Polycyclic aromatic hydrocarbons (PAHs) are often found in oily wastewaters. Their presence is usually the result of human activities and has a negative effect on the environment.
AJ King   +41 more
core   +1 more source

Integrative Metabolomic and Transcriptomic Profiling Reveals the Chemical and Molecular Basis for Aroma Divergence in Isatis Fruits

open access: yesFood Frontiers, Volume 7, Issue 3, May 2026.
Integrative metabolomic and transcriptomic analyses revealed the chemical and molecular basis of aroma divergence in fruits of three Isatis species. Distinct volatile profiles and 44 key aroma‐active compounds defined species‐specific sensory characteristics, while co‐expression analysis identified NAC transcription factors and lipid‐derived pathway ...
Rong Chen   +10 more
wiley   +1 more source

Integrative Insights Into Bioactive Peptides in Milk Fermented With Autochthonous and Commercial Cultures Using High‐Throughput Peptidomics and Machine Learning

open access: yesFood Frontiers, Volume 7, Issue 3, May 2026.
This article highlights the crucial role of starter culture selection in shaping the peptide profile of fermented dairy drinks. Using high‐throughput peptidome profiling, the study demonstrates that different starter cultures yield distinct quantities and types of bioactive peptides, with excessive microbial combinations potentially reducing peptide ...
Martina Banić   +6 more
wiley   +1 more source

Improvements in the methylmercury extraction from human hair by headspace solid-phase microextraction followed by gas-chromatography cold-vapour atomic fluorescence spectrometry [PDF]

open access: yes, 2004
Improvements in the methylmercury extraction from human hair by solid-phase microextraction followed by gas chromatography coupled to cold-vapour atomic fluorescence spectrometry (GC-CVAFS) have been carried out. They consisted in the optimisation of the
Alzaga R   +4 more
core   +1 more source

Comprehensive Evaluation of Fructus Tsaoko, Seeds of Tsaoko Fructus and Ginger Made Seeds of Tsaoko Fructus Based on Drug‐Like Compounds and Aroma Analysis

open access: yesFood Science &Nutrition, Volume 14, Issue 5, May 2026.
This study mainly consists of two parts. First, after screening for drug‐like metabolites via LC–MS and GC–MS, a comprehensive evaluation model was established using a principal component analysis‐based weighted scoring method, by which the drug‐likeness ranking of three samples was determined.
Han Chen   +6 more
wiley   +1 more source

Volatilomic Differentiation of Protected‐Origin Italian Balsamic Vinegars by HS‐SPME‐GC×GC‐TOFMS

open access: yesJournal of Separation Science, Volume 49, Issue 5, May 2026.
ABSTRACT Balsamic vinegars produced under Protected Designation of Origin (PDO) and Protected Geographical Indication (PGI) schemes differ substantially in raw materials, processing intensity, and aging regimes. Although these differences are expected to shape their volatile composition, a comprehensive chemical characterization capable of reliably ...
Sofia Malcangi   +4 more
wiley   +1 more source

Volatile flavor components in strong-flavor Baijiu detected by different pretreatment methods combined with GC-MS [PDF]

open access: yesZhongguo niangzao
The volatile flavor compounds in strong-flavor (Nongxiangxing) Baijiu were detected and analyzed by four pretreatment methods including solid phase extraction (SPE), liquid-liquid microextraction (LLME), headspace-solid phase microextraction (HS-SPME ...
FENG Ziyun, YANG Kangzhuo, HE Zhanglan, WANG Jianli, ZHENG Jia
doaj   +1 more source

Aldehyde Dehidrogenase Level and Fatty Acid Ethyl Ester as Biochemical Markers Persist Longer Than Ethanol in Wistar Rats After Chronic Alcohol Consumption [PDF]

open access: yes, 2010
Alcohol consumption in human has increased from year to year in Indonesia and more recently, anincreasing number of cases of alcohol intoxication, alcoholic liver disease, and death were observed.The purpose of this experimental study was to examine the ...
Astawa, N. M. (Nyoman)   +3 more
core  

Towards a Scalable, AI‐Augmented Purification Platform for Amphetamine‐Type Stimulants: From Nanopolymer Synthesis to Predictive Process Simulation

open access: yesPolymers for Advanced Technologies, Volume 37, Issue 5, May 2026.
ABSTRACT The prevalent formation of by‐products in conventional methamphetamine (MA) synthesis critically impairs final product purity, presenting a significant challenge that necessitates elaborate and costly downstream purification strategies. To overcome these limitations, this study introduces molecularly imprinted polymer (MIP)‐based nanopolymers ...
Emre Dokuzparmak   +6 more
wiley   +1 more source

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