WebHeadspace-solid phase micro-extraction(HS-SPME) followed by gas chromatography-mass spectrometry(GC-MS) was adopted to analyze volatile flavor components in meat of … Web30 jun. 2012 · 固相微萃取技术(SolidPhaseMicroextraction,SPME)是1990年由加拿大学者Pawliszyn提出的一种全新概念的样品预处理浓缩技术,与液—液溶剂萃取技术相比,具有简便、样品处理时间短,样品操作需求量少,无溶剂处理和绿色环保等优点。 SPME既可用于顶空取样也可将萃取头直接浸入样品液体中取样。 针对葡萄酒风味成分的分析,国外有 …
利用固相微萃取/气相色谱—质谱联用(SPME-GC/MS)方法助力 …
WebIn this study, we aimed to compare fatty acid and volatile compound compositions of four rosehip species, namely Rosa pimpinellifolia, R. Villosa, R. Canina, and R. Dumalis, by gas chromatography with flame ionization detector (GC/FID) and headspace and immersion solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME/GC-MS … WebSamples were extracted by headspace solid phase microextraction (HS-SPME) and analyzed by Gas Chromatography-Mass Spectrometry (GC/MS) coupled with Gas Chromatography-Olfactometry (GC/O). Fifteen odours were detected with GC/O, and 14 odour descriptors: fishy, crabmeat, toasted, meaty, ammonia, green, sweet, raw egg, … ps vita henkaku enso firmware
Application of HS-SPME and GC-MS to characterization of volatile ...
Web30 sep. 2024 · GC-MS全称气相色谱法-质谱法联用(Gas chromatograohy-mass spectrometry),简称气质联用。是将气相色谱仪器(GC)与质谱仪(MS)通过适当接口(interface)相结合,借助强大的计算机技术,进行联用分析的技术[1-2]。下面我们来简单学习一下GC-MS联用技术。 1、GC-MS的结构组成 Web4 okt. 2024 · 分析中心李海芳高工对固相微萃取/气相色谱—质谱联用(SPME-GC/MS检测小鼠在感染蚊媒病毒后可释放挥发性小分子—苯乙酮 (Acetophenone)给予了技术支持并提供了大量的测试数据支撑。 实验需要筛选出感染小鼠皮肤微生物中能够释放苯乙酮的菌株,但部分菌株的产量很低,李海芳利用专业的质谱技术最终帮助筛选出了小鼠皮肤表面芽孢杆 … http://zgnydxxb.cnjournals.com/zgnydxxb/ch/reader/create_pdf.aspx?file_no=20240305 ps vita henkaku enso 3.65