Mehdi Farhoodi, Zahra Emam-Djomeh, Mohammad Reza Ehsani, and Abdolrasul Oromiehie October 2008 The Arabian Journal for Science and Engineering, Volume 33, Number 2B 279 EFFECT OF ENVIRONMENTAL CONDITIONS ON THE MIGRATION OF DI(2-ETHYLHEXYL)PHTHALATE FROM PET BOTTLES INTO YOGURT DRINKS: INFLUENCE OF TIME, TEMPERATURE, AND FOOD SIMULANT Mehdi Farhoodi**, Zahra Emam-Djomeh*, and Mohammad Reza Ehsani** Department of Food Science, Technology and Engineering, University of Tehran, Iran and Abdolrasul Oromiehie** Iran Polymer Institute, Pazhuhesh Blvd., Peykanshahr, Tehran اﻟﺨﻼﺻـﺔ: ﻮفγ ϲϘΘδϧ - ΚΤΒϟ ا هﺬاϲϓ - ﺎدةϣ ﺎرθΘϧ ا) DEHP ( ϳﻮارϗ Ϧϣ ) PET ( ϦΒϠϟ اﺮابη ϔΤϟ ϣΨΘδϤϟ ا ϲѧϧﺮاϳ اﻹ. ѧϗ وѧϴﺮآΘΑ ϴΘѧγ اﻷξϣѧΣ ϨϣΨΘѧγ ا) 3% ( ѧϴΑ اﻷوروѧΌϴϟ اϴϳѧόϣ ϴπѧΘϘΗ ѧϤ آ ﺎرةѧΛ إϞѧϣό آ. Σ وΖϔ ﺮارѧΣ درﺟﺎتϨϋ ξϣΤϟ اﻮيΤΗ ϲΘϟ اϳﻮارϘϟ اﺪرهﺎѧϗ ѧϳΌϣ ة) 4.25.45 ( ﻬﺮѧη أѧόΑ أرﺪةѧϤϟ ، ѧϨϤϗ و دوريϞθѧΑ ϲ΋ѧϴϤϴϟ اϞѧϴϠΤΘϟ اﺈﺟﺮاءѧΑ . ѧϴϨϘΗ ϨϣΨΘѧγ اϟѧ آDSC ﺎدةѧϣ ΛѧΗ ﺪىѧϣ ѧγﺪراϟ ) PET ( ѧϤόﺎﻷﻃΑ ϣΨΘδѧϤϟ ا و، ϧѧ وﺟ أѧϧ ﺎدةѧϣ ѧϴﺮآΗ ﺰدادѧϳ ﺮارةѧΤϟ اѧ درﺟﺎدѧϳ ازدϊѧϣ ) DEHP ( ، ѧϤϠ آѧϴﺮآΘϟ اﺰدادѧϳ ϟѧ وآ اϔΣ Ϧϣ ز ازدادϤό ﻷﻃ. ѧϴΑ اﻷوروѧΌϴϟ اϞѧΒϗ Ϧѧϣ ѧΑ ﻮحϤδѧϤϟ اϢϴϘϟ اϦϋ ϴﺮآΘϟ اﺰددϳ Ϣϟ γﺪراϟ اﺮةΘϓ لϼΧ و ) EEC .( ﺎدةѧϣ أنѧϟ ذϟ إϒο أ) PET ( ѧϤ آﺪمΨΘδѧϤϟ اξϣѧΤϟΑ ΛѧΘΗ Ϣѧϟ دلﺎلѧϘΘϧϻ اѧ درﺟﺎسѧϴϗ ѧϟ ذѧϠϋ ϲﺰﺟﺎﺟϟ ا) Tg ( ، ϲϓ ﻮرϠΒΘϟ اΒδϧ و) PET .( *Address for correspondence: Transfer Phenomena Laboratory (TPL), Department of Food Science, Technology and Engineering, University of Tehran, Agricultural Campus of the University of Tehran, Faculty of Biosystem Engineering, P. O. Box: 4111, 31587-11167 Karaj, Tehran, Iran Tel: +98 261-224 8804 E-mail: emamj@ut.ac.ir **E-mails: farhoodi@ut.ac.ir; mehsani@ut.ac.ir; A.Oromiehie@ippi.ac.ir (Tel.: +98 21-445 80060) Paper Received 30 June 2007; Revised 19 April 2008; Accepted 4 June 2008