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Determination and potential importance of diterpene (kaur-16-ene) emitted from dominant coniferous trees in Japan

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Title: Determination and potential importance of diterpene (kaur-16-ene) emitted from dominant coniferous trees in Japan
Authors: Matsunaga, Sou N. Browse this author
Chatani, Satoru Browse this author
Nakatsuka, Seiji Browse this author
Kusumoto, Dai Browse this author
Kubota, Katsuyoshi Browse this author
Utsumi, Yasuhiro Browse this author
Enoki, Tsutomu Browse this author
Tani, Akira Browse this author
Hiura, Tsutom Browse this author →KAKEN DB
Keywords: Biogenic volatile organic compound
Coniferous tree
Biogenic emission
Issue Date: May-2012
Publisher: Elsevier
Journal Title: Chemosphere
Volume: 87
Issue: 8
Start Page: 886
End Page: 893
Publisher DOI: 10.1016/j.chemosphere.2012.01.040
Abstract: Reactive volatile organic compounds (VOCs) are known to affect atmospheric chemistry. Biogenic VOCs (BVOCs) have a significant impact on regional air quality due to their large emission rates and high reactivities. Diterpenes (most particularly, kaur-16-ene) were detected in all of the 205 enclosure air samples collected over multiple seasons at two different sites from Cryptomeria japonica and Chamaecyparis obtusa trees, the dominant coniferous trees in Japan,. The emission rate of kaur-16-ene, was determined to be from 0.01 to 7.1 μg dwg^[-1] h^[-1] (average: 0.61 μg dwg^[-1] h^[-1]) employing branch enclosure measurements using adsorbent sampling followed by solid phase-liquid extraction techniques. The emission rate was comparable to that of monoterpenes, which is known major BVOC emissions, collected from the same branches. In addition, total emission of kaur-16-ene at 30℃ was estimated to exceed that of total anthropogenic VOC emissions.
Type: article (author version)
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 日浦 勉

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