{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,20]],"date-time":"2024-06-20T20:37:46Z","timestamp":1718915866135},"reference-count":25,"publisher":"Wiley","issue":"5-6","license":[{"start":{"date-parts":[[2006,6,21]],"date-time":"2006-06-21T00:00:00Z","timestamp":1150848000000},"content-version":"vor","delay-in-days":20,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Annali di Chimica"],"published-print":{"date-parts":[[2006,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this investigation, a novel two\u2010step simultaneous distillation and solvent extraction (two\u2010step SDE) method was developed to isolate both free and bound aroma in tobacco. Firstly, free aroma were extracted into dichloromethane by SDE for 4 h with SDE sample solution at pH 5.5. Then the SDE sample solution was adjusted to pH 2.5, bound aroma were hydrolyzed, and released as free aroma extracted by fresh dichloromethane. Following, both the free and bound aroma were analyzed by gas chromatography (GC) and gas chromatography\u2010mass spectrometry (GC\u2010MS).The whole isolation procedure of both free and bound aroma was carried out in one SDE apparatus and using one same sample. Especially, the procedure of isolation of bound aroma was greatly simplified. To apply and validate the proposed two\u2010step SDE method, a traditional method were also used to isolate the bound aroma. The total bound aroma obtained by the proposed two\u2010step SDE method and the traditional method were 119.83 mg kg<jats:sup>\u20101<\/jats:sup> and 88.9 mg kg<jats:sup>\u20101<\/jats:sup>, respectively. For isolation of bound aroma, the proposed two\u2010step SDE method was of better extraction recovery, less labourious, solvent and time consuming than the traditionalmethod.<\/jats:p>","DOI":"10.1002\/adic.200690032","type":"journal-article","created":{"date-parts":[[2006,6,21]],"date-time":"2006-06-21T11:21:28Z","timestamp":1150888888000},"page":"309-316","source":"Crossref","is-referenced-by-count":4,"title":["Two\u2010Step Simultaneous Distillation and Slolvent Extraction for Isolation Both Free and Bound Aroma Intobacco"],"prefix":"10.1002","volume":"96","author":[{"given":"Yaqin","family":"Hu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jibao","family":"Cai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaolan","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun","family":"Gao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qingde","family":"Su","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,6,21]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9673(85)80009-1"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/ffj.1261"},{"key":"e_1_2_1_4_2","first-page":"267","volume":"107","author":"Hechman R.A.","year":"1981","journal-title":"Rec. 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