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Similar measurements were performed for five palm oil extracts 1\u20135 and one soybean extract 6, which included different concentrations of Tocs, Toc-3s, and carotenoids. Furthermore, the concentrations (wt%) of Tocs, Toc-3s, and carotenoids included in extracts 1\u20136 were determined. From the results, it has been clarified that the 1O2-quenching rates (kQ (S)) (that is, the relative SOAC value) obtained for extracts 1\u20136 may be explained as the sum of the product {\u03a3 kQAO-i (S) [AO-i]\/100} of the rate constant (kQAO-i (S)) and the concentration ([AO-i]\/100) of AO-i (Tocs, Toc-3s, and carotenoid) included.<\/jats:p>","DOI":"10.1080\/09168451.2014.943653","type":"journal-article","created":{"date-parts":[[2014,8,5]],"date-time":"2014-08-05T20:47:15Z","timestamp":1407271635000},"page":"2089-2101","update-policy":"http:\/\/dx.doi.org\/10.1080\/tandf_crossmark_01","source":"Crossref","is-referenced-by-count":7,"title":["Kinetic study of the quenching reaction of singlet oxygen by \u03b1-, \u03b2-, \u03b3-, \u03b4-tocotrienols, and palm oil and soybean extracts in solution"],"prefix":"10.1080","volume":"78","author":[{"given":"Kazuo","family":"Mukai","sequence":"first","affiliation":[{"name":"Faculty of Science, Department of Chemistry, Ehime University, Matsuyama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eri","family":"Ishikawa","sequence":"additional","affiliation":[{"name":"Faculty of Science, Department of Chemistry, Ehime University, Matsuyama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aya","family":"Ouchi","sequence":"additional","affiliation":[{"name":"Faculty of Science, Department of Chemistry, Ehime University, Matsuyama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shin-ichi","family":"Nagaoka","sequence":"additional","affiliation":[{"name":"Faculty of Science, Department of Chemistry, Ehime University, Matsuyama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomomi","family":"Suzuki","sequence":"additional","affiliation":[{"name":"Eisai Company, Ltd, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsuhiro","family":"Izumisawa","sequence":"additional","affiliation":[{"name":"Eisai Company, Ltd, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Taisuke","family":"Koike","sequence":"additional","affiliation":[{"name":"Eisai Food & Chemical Company, Ltd, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"301","published-online":{"date-parts":[[2014,12,2]]},"reference":[{"key":"2021033108000553800_CIT0001","doi-asserted-by":"publisher","first-page":"4","DOI":"10.1016\/j.freeradbiomed.2007.03.024","article-title":"Vitamin E, antioxidant and nothing more","volume":"43","author":"Traber","year":"2007","journal-title":"Free Radic. 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