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Poster Presentations
Day 4, June 25（Wed.）
Room P (Maesato East, Foyer, Ocean Wing)
- 4P-AM-05
Ultra-Fast Scanning Quadrupole Mass Spectrometry Combined with GCxGC for Comprehensive Analysis of Beverage Aroma
(1Shimadzu Corp., 2Osaka Univ.)
oKazuhiro Kawamura1,2, Yu Nagao1
A newly developed quadrupole mass spectrometer (QMS) with an ultra-fast scanning speed of up to 30,000 u/sec was evaluated for its applicability to comprehensive two-dimensional gas chromatography-mass spectrometry (GC×GC-MS) in aroma analysis. We compared mass spectra and sensitivity at 67 Hz (30,000 u/sec) and 20 Hz (10,000 u/sec) using aroma standards. High-quality spectra were obtained even at 67 Hz, with an average library similarity score of 91. Sensitivity improvements at 67 Hz were observed, with peak values, peak volumes, and signal-to-noise ratios increasing by 1.43, 3.33, and 1.41 times, respectively, compared to 20 Hz. This was attributed to sufficient data acquisition points per peak and the Advanced Scanning Speed Protocol (ASSP), which maintained sensitivity during high-speed scanning. Furthermore, GC×GC-MS at 67 Hz successfully separated and detected various aroma compounds, including terpenes, alcohols, esters, carboxylic acids, and ketones, in an Indian Pale Ale beer sample extracted by SPME Arrow. These results demonstrate that the ultra-fast scanning QMS is well-suited for comprehensive aroma analysis in beverages, enabling improved sensitivity and separation of trace components.