• P-ISSN2233-4203
  • E-ISSN2093-8950

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  • P-ISSN 2233-4203
  • E-ISSN 2093-8950

Headspace GC-MS Analysis of Spring Blossom Fragrance at Chungnam National University Daedeok Campus

Mass Spectrometry Letters / Mass Spectrometry Letters, (P)2233-4203; (E)2093-8950
2022, v.13 no.4, pp.125-132
Choi Yeonwoo (Chungnam National University)
Lee Sanghyun (Chungnam National University)
Kim Young-Mi (Chungnam National University)
Nguyen Huu-Quang (Chungnam National University)
Kim Jeongkwon (Chungnam National University)
Lee Jaebeom (Chungnam National University)
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There are many types of spring blossoms on the Daedeok campus of Chungnam National University (CNU) at the area of 1,600,000 square meters. As an assignment for the class of Analytical Chemistry I for second-year undergraduate stu- dents, 2021, flower petals collected from various floral groups (Korean azalea, Korean forsythia, Dilatata lilac, Lilytree, Lily magnolia, and Prunus yedoensis) were analyzed using headspace extraction coupled to gas chromatography-mass spectrometry (HS-GC-MS) to study the aromatic profiles and fragrance compounds of each sample group. Various types of compounds asso- ciated with the aroma profiles were detected, including saturated alcohols and aldehydes (ethanol, 1-hexanol, and nonanal), ter- penes (limonene, pinene, and ocimene), and aromatic compounds (benzyl alcohol, benzaldehyde). The different contribution of these compounds for each floral type was visualized using statistical tools and classification models based on principal compo- nent analysis with high reliability (R 2 = 0.824, Q 2 = 0.616). These results showed that HS-GC-MS with statistical analysis is a powerful method to characterize the volatile aromatic profile of biological specimens.

fragrance compound headspace extraction GCMS spring blossoms principal component analysis

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