HS-SPME-GC-MS/MS
Anti malarial activity and HS SPME GC MS chemical profiling of Plinia cerrocampanensis leaf essential oil
... best HS-SPME-GC-MS analytical conditions were obtained when the temperature of extraction was 49°C, incubation time 14 min, and the time of extraction 10 ...
9
HS-SPME-GC-MS Analyses of Volatiles in Plant Populations – Quantitating Compound × Individual Matrix Effects
... during SPME analysis of plant populations can be assumed, the extent of such interactions has not been quantitated and routine approaches to their determination have not been ...during ...
14
HS SPME/GC/MS profiles of convectively and microwave roasted Ivory Coast Robusta coffee brews
... HS-SPME/GC/MS revealed that furans were the dominant volatile organic compounds emitted from the examined samples of Robusta coffee brews ir- respective of the roasting method. They accounted ...
10
Gas Chromatographic-Mass Spectrometric Analysis of Volatiles Obtained by HS-SPME-GC-MS Technique from Aerial Parts of Ziziphora capitata L., and Evaluation for Biological Activity
... (PDMS-CAR) fiber was used as the solid phase for SPME-based analysis. The method enabled us to identify seven monoterpene hydrocarbons (60.6%), seven oxygenated monoterpenes (35.1%), two sesquiterpene hydrocarbons ...
13
Quantitative Monitoring of the Volatiles from The Aerial Parts of Satureja Hortensis by The Use of HS-SPME-GC-MS Approach
... the GC and GC-MS approaches were respectively nitrogen and helium all having a flow-rate of ...the GC-MS instrumentation was 70 eV within the mass range of 30-350 ...
8
HS SPME/GC MS Analysis of VOC and Multivariate Techniques Applied to the Discrimination of Brazilian Varieties of Mango
... The SPME extractions were performed using fiber coated with Carboxen/polydimethylsiloxane (75 µm) (Supelco, Bellefonte, PA, ...the SPME device was introduced manually into the vial and the fibers were ...
8
Detection of Mediterranean fruit fly larvae Ceratitis capitata (Diptera: Tephidae) in different types of fruit by HS-SPME GC-MS method
... The analysis of compounds was focused on whole fruits. Various types of fruit were placed individually into 2 litre jars. One whole fruit was analysed in each jar. Volatiles were collected by solid phase micro extraction ...
16
Characterization of Volatile Components of Eight FengHuang Dancong Manufactured Teas and Fresh Leaves by HS-SPME Coupled with GC-MS
... with HS-SPME-GC-MS to investigate differences in aroma determinants between different types of FengHuang Dancong fresh leaves and manufactured ...
13
Comparative Analyses of the Volatile Components of Citrus Aurantium L. Flowers Using Ultrasonic-Assisted Headspace SPME and Hydrodistillation Combined with GC-MS and Evaluation of their Antimicrobial Activities
... The UA-HS-SPME-GC/MS method provided an effective combination to perform a rapid analytical method for the direct profiling of the volatile compounds without manipulation of samples. A large ...
9
Optimization and validation for determination of volatile organic compounds from mediterranean fruit fly (Medfly) ceratitis capitata (diptera: Tephritidae) by using HS-SPME-GC-FID/MS
... 18. Zhang, C., M. Qi, Q. Shao, S. Zhou and R. Fu, 2007. Analysis of the volatile compounds in Ligusticum chuanxiong Hort. using HS-SPME-GC-MS. J. Pharm. Biomed. Anal., 44: 464-470. 19. Niu, ...
7
Lipid oxidation of fat blends modified by monoacylglycerol
... HS-SpmE/GC/mS: The fiber was desorbed for 7 min in the splitless injection port at 240°C. The column temperature program was 40°C for 7 min and was followed by anincreased to 200°C at 5 K per ...
7
Evaluation of Volatile Compounds of “Tiger Nut Beverage” (Orxata de Xufla) Headspace by Optimized Solid Phase Micro Extraction
... the SPME procedure, such as temperature, concentration of ions and sample ...The SPME fiber coated with DVB/CAR/PDMS presented the most efficient extraction compounds from the headspace of the product, ...
15
Comparison of SPME and SFE for the Determination of Volatile Constituents in Thymus vulgaris L. Lamiaceae
... [9]-[11]. HS-SPME sampling does not require solvent extraction and purification steps or the use of a complicated purge-and-trap ...An SPME unit consists of a holder and a fused silica fiber, which ...
9
Identification of volatile organic compounds of Anethum L juice using headspace and direct solid phase micro extraction (HS SPME, DI SPME) gas chromatography mass spectrometry(GC/MS)
... ______________________________________________________________________________ However, due to the increasing requirements of environmental and toxicological regulations, the current detection limits cannot meet all ...
6
Comparison of headspace–SPME and SPME-Arrow–GC–MS methods for the determination of volatile compounds in Korean salt–fermented fish sauce
... for HS–SPME, four com- mercial SPME fibers were evaluated, including 100 μm PDMS, 65 μm PDMS/DVB, 75 μm CAR/PDMS fibers and 50/30 μm ...for HS–SPME flavor compound analysis and was used ...
8
Identification of Volatile Biomarkers of Gastric Cancer Cells and Ultrasensitive Electrochemical Detection based on Sensing Interface of Au-Ag Alloy coated MWCNTs
... by SPME on the chromatograms of cultured cells was ...of HS-SPME was 45 min, which was strongly preferred to perform the GC-MS analysis in our ...
9
Influence of benzyladenine on metabolic changes in different rose tissues
... Our study demonstrates that the collection of VOCs from fresh leaves, stems, rhizospheres and whole plants by HS-SPME coupled with GC-FID/MS represents a sensitive, rapid and effective method ...
12
Pharmacognostical, Phytochemical and Pharmacological Evaluation on Leaves and Volatile Oil of Citrus Limon.(Linn.)
... Saotoing P.et.al., 2011 2.6.2 Phytochemical studies The volatiles emitted in vivo by different parts of Citrus limon, have been identified by HS-SPME and GC-MS analyses, The particular p[r] ...
169
Determination of volatile alkylpyrazines in microbial samples using gas chromatography-mass spectrometry coupled with head space-solid phase microextraction
... temperature, HS-SPME sampling was performed using an Agilent GC (Wilming- ton, Delaware, USA)—Pegasus 4D TOFMS ...combiPAL SPME auto- sampler (CTC Analytics, Zurich, ...analysis, GC- ...
8
New method of analysis of lipids in Tribolium castaneum (Herbst) and Rhyzopertha dominica (Fabricius) insects by direct immersion solid-phase microextraction (DI-SPME) coupled with GC–MS
... the SPME fiber onto the surface of the insect cuticle [17,18] or by using the headspace solid-phase microextraction (HS-SPME) method ...with GC–MS has been ...with GC–MS ...
14