Utilization of agro-industrial by-products as substrates for dextransucrase production by Leuconostoc mesenteroides T3: Process optimization using response surface methodology [PDF]
Hemijska Industrija, 2021 Dextransucrase (DS) is a glucosyltransferase (E. C. 2.4.1.5) that catalyzes the transfer of glucosyl residues from sucrose to dextran polymer and liberates fructose.
Miljković Miona G. +6 more
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Application of The Headspace - Needle Trap Device Based on Molecularly Imprinted Polymer for Co-Extraction of Two Volatile Biomarkers in Urine [PDF]
بهداشت و ایمنی کار, 2023 Introduction: Several extraction techniques have been developed in recent years to determine the concentration of volatile metabolites in a biological sample.
Masoomeh Vahabi Shekarloo +2 more
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Chemical Composition of Fresh Leaves Headspace Aroma and Essential Oils of Four Coriander Cultivars
Frontiers in Plant Science, 2022 Aroma is one of the key food characteristics determining consumers’ perception and acceptability of products. Coriandrum sativum L. is an aromatic herb commonly used as a food additive and taste enhancer.
Sunjeet Kumar +9 more
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Molecules, 2018 A rapid and sensitive ionic liquid (IL) based headspace gas chromatography-mass spectrometry (HS-GC-MS) method was developed for analyzing volatile components in leaf, pericarp, and seed of Clausena lansium from different areas in Hainan Province, China.
Xiaowen He +6 more
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Multiple-Cumulative Trapping: A Fascinating Option to Enhance Headspace Profile
, 2021 peer reviewedMultiple-cumulative trapping headspace extraction coupled with high concentration capacity tools, such as solid-phase microextraction (SPME), has recently shown great potential in enhancing the overall sensitivity of the volatile profile ...
Purcaro, Giorgia +2 more
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Foods, 2020 Due to its multiple advantages, ion mobility spectrometry (IMS) is being considered as a complementary technique to mass spectrometry (MS). The goal of this work is to investigate and compare the capacity of IMS and MS in the classification of olive oil ...
María García-Nicolás +4 more
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Comparison of the Chemical and Sensorial Evaluation of Dark Chocolate Bars
Applied Sciences, 2021 As it mimics olfactory perception, headspace analysis is frequently used for examination of products like chocolate, in which aroma is a key feature. Chemical analysis by itself, however, only provides half the picture, as final consumer’s perception ...
Ylenia Pieracci +3 more
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Non-destructive evaluation of historical paper based on pH estimation from VOC emissions [PDF]
, 2007 Volatile organic compounds (VOCs) emitted from materials during degradation can be a valuable source of information. In this work, the emissions of furfural and acetic acid from cellulose were studied using solid-phase micro-extraction (SPME) in ...
Kolar, J. +12 more
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, 2017 An efficient and effective headspace microextraction technique named static headspace knotted hollow fiber microextraction (HS-K-HFME) has been developed for the determination of volatile organic compounds (VOCs) in water samples.
Chen, Pai-Shan;Tseng, Yu-Hsiang;Chuang, Yuh-Lin;Chen, Jung-Hsuan +1 more
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Multiple Headspace Extraction for Benzene and Toluene Quantitative Analysis in Hot Oils [PDF]
Iranica Journal of Energy and EnvironmentIn this article, the concentration of some volatile organic compounds (VOCs) in the hot oil sample of the Pars petrochemical ethylbenzene unit is presented. Pars Petrochemical is one of the largest producers of ethylbenzene in the Middle East.
M. R. Ghavidel, M. Heydari
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