Results 31 to 40 of about 2,050,498 (282)

Volatile compounds present in traditional meat products (charqui and longaniza sausage) in Chile

Brazilian Archives of Biology and Technology, 2012
The aim of this work was to identify and quantify the volatile compounds in five different commercial brands of charqui and longaniza sausages. Volatile compounds were extracted from some samples headspace using solid phase microextraction (SPME).
María Pía Gianelli, Vanessa Salazar, Luis Mojica, Miguel Friz   +3 more
doaj   +1 more source

Analysis of Caffeine, Chlorogenic Acid, Trigonelline, and Volatile Compounds in Cold Brew Coffee Using High-Performance Liquid Chromatography and Solid-Phase Microextraction—Gas Chromatography-Mass Spectrometry

Foods, 2020
This study investigated the non-volatile and volatile compounds in samples of cold brew (CB) coffee, coffee from a coffee shop (CS), ready-to-drink (RTD) coffee, and brewed coffee from a coffee maker (CM).
JeongAe Heo, Koushik Adhikari, Kap Seong Choi, Jeehyun Lee   +3 more
doaj   +1 more source

Automated Signal Processing Applied to Volatile-Based Inspection of Greenhouse Crops [PDF]

, 2010
Gas chromatograph–mass spectrometers (GC-MS) have been used and shown utility for volatile-based inspection of greenhouse crops. However, a widely recognized difficulty associated with GC-MS application is the large and complex data generated by this ...
Roel Jansen, Bouwmeester, H.J., Eldert van Henten, Jansen, R.M.C., Hofstee, J.W., Harro Bouwmeester, Jan Willem Hofstee, Henten, E.J., van   +7 more
core   +1 more source

Identification of biologically relevant compounds in aboveground and belowground induced volatile blends [PDF]

, 2010
Plants under attack by aboveground herbivores emit complex blends of volatile organic compounds (VOCs). Specific compounds in these blends are used by parasitic wasps to find their hosts.
Cornelis A. Hordijk, Van Dam, N.M., Vet, L.E.M., Bao-Li Qiu, Louise E. M. Vet, Dam, N.M. van, Jeroen J. Jansen, Jansen, J.J., Qiu, B.L., Nicole M. van Dam, Dam, N.M., van, Hordijk, C.A., Qiu, B.   +12 more
core   +2 more sources

Development of improved methods for the characterisation of organic chemicals emitted into indoor air by building and furnishing products [PDF]

, 2013
A wide range of organic compounds are released from building and furnishing products and these have the potential to adversely affect indoor air quality.
Brown, Veronica M.
core   +4 more sources

Efficient degradation of sulfamethoxazole using unactivated and biochar-activated peroxymonosulfate: Mechanisms and performance comparison

Water Cycle
Peroxymonosulfate (PMS)-based advanced oxidation processes are widely used in environmental purification. But the intrinsic oxidizing properties of unactivated PMS are often overlooked in pollutant degradation.
Xuhao Liu, Xiaoya Gao, Bingheng Liang, Qingcun Gu, Teng Guo, Jiatian Wang, Xingxin Yang   +6 more
doaj   +1 more source

Effects of Different Fixation Methods on Volatile Organic Compounds in Fresh Leaves of ‘Qiancha No.1’ Tea [PDF]

Shipin Kexue
To explore the most suitable fixation method for the study of volatile organic compounds in fresh tea leaves, this study compared the effects of five fixation methods-steam fixation, hot air fixation, microwave fixation, vacuum freeze fixation, and ...
YANG Xianfeng, Zhang Tuo, Pang Dewen, Xi Yanan Zeng Tingting WANG Jing, ZHANG Xiaoqin,
doaj   +1 more source

Identification, Comparison and Classification of Volatile Compounds in Peels of 40 Apple Cultivars by HS–SPME with GC–MS

Foods, 2021
Aroma is an important quality indicator for apples and has a great influence on the overall flavour and consumer acceptance. However, the information of the aroma volatile compounds in apple peels is largely unknown. In this study, evaluation of volatile
Shunbo Yang, Nini Hao, Zhipeng Meng, Yingjuan Li, Zhengyang Zhao   +4 more
doaj   +1 more source

Bacteria detection based on the evolution of enzyme-generated volatile organic compounds: Determination of Listeria monocytogenes in milk samples [PDF]

, 2014
The rapid detection of Listeria monocytogenes contamination in food is essential to prevent food-borne illness in humans. The aim of this study was to differentiate non-contaminated milk from milk contaminated with L.
Dean, John, Stanforth, Stephen, Tait, Emma, Perry, John   +3 more
core   +1 more source

GC-MS analysis of honeybee products derived from medicinal plants

Beni-Suef University Journal of Basic and Applied Sciences, 2023
Background Honeybees provide a wealth of valuable natural products containing health-promoting bioactive compounds, including honey, bee bread, bee venom, bee pollen, propolis, and royal jelly.
Maha Montaser, Ahmed M. Sayed, Mokhtar M. Bishr, Ehab W. Zidan, Mohamed A. Zaki, Hossam M. Hassan, Rabab Mohammed, Mohamed S. Hifnawy   +7 more
doaj   +1 more source