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Comparison of diferent aroma active compounds of Sichuan Dark brick tea (Camellia sinensis) and Sichuan Fuzhuan brick tea using gas chromatography–mass spectrometry (GC–MS) and aroma descriptive profle tests
aroma active compounds Sichuan Dark brick tea Sichuan Fuzhuan brick tea GC–MS aroma descriptive profle tests
2024/7/31
Sichuan dark brick tea (Camellia sinensis) and Sichuan Fuzhuan brick tea have signifcantly diferent aroma characteristics although both of them have almost the same processing methods. Thus, these two...
Determination of pesticide residues in avocado and almond by liquid and gas chromatography tandem mass spectrometry
pesticide residues almond
2014/11/26
This report describes a validation data of 279 pesticides using a
multiresidue method by LC-MS/MS and GC-MS/MS in avocado and
almond.
Validation data of five selected pesticides using QuEChERS by liquid chromatography tandem mass spectrometry
Validation data selected pesticides
2014/11/26
This report describes a validation data of five pesticides using a
multiresidue method (QuEChERS) by LC-MS/MS in tomato, pepper
and orange.
Pesticide analysis in teas and chamomile by liquid chromatography and gas chromatography tandem mass spectrometry
teas chamomile chromatography
2014/11/26
This report describes a validation data of 86 pesticides using a
multiresidue method by LC-MS/MS and GC-MS/MS in green tea, red
tea, black tea and chamomile.
Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry for Rice (Oryza sativa L.)Seed Phytochemicals
matrix variety Rice
2009/6/10
A quick and simple method for the evaluation of rice varieties using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI TOF-MS) was proposed and the results of the mas...
Rapid Method for the Determination of 180 Pesticide Residues in Foods by Gas Chromatography/Mass Spectrometry and Flame Photometric Detection
pesticide residue analysis multiresidue graphitized carbon black / primary secondary amine
2009/3/5
A method was established for the determination of 180 pesticide residues in fruits and vegetables. The procedure involved extraction with acetonitrile, followed by a salting-out step with anhydrous ...
Environmental distribution and novel high-throughput screening of APEO-degrading bacteria using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry（MALDI-MS）
alkylphenol polyethoxylate (APEO) APEO-degrading bacteria MALDI- MS typing by MALDI-MS
2009/3/5
Fifteen soil samples from the edge of a creek were investigated for alkylphenol polyethoxylate (APEO) degrading ability. Ten soil samples possessed PEG chain shortening activity and the other soil s...
LEVELS OF BACTERIAL ENDOTOXIN IN AIR OF ANIMAL HOUSES DETERMINED WITH THE USE OF GAS CHROMATOGRAPHY – MASS SPECTROMETRY AND LIMULUS TEST
endotoxin organic dust air animal houses gas chromatography
2010/12/23
Air samples were collected on glass fi bre fi lters in 22 animal houses and 3 hay storage barns and examined for the presence of bacterial endotoxin with the Limulus (LAL) test and the gas chromatogra...
USE OF MASS SPECTROMETRY FOR CHARACTERISING MICROBIAL COMMUNITIES IN BIOAEROSOLS
indoor air microbial communities bioaerosols bacteria fungi
2010/12/24
The use of chemical marker analysis for characterising microbial communities in organic dust samples is exemplified in a comparative study of dusts collected in a home and a swine confinement building...