Document Detail

Effect of gamma-radiation on migration behaviour of dioctyladipate and acetyltributylcitrate plasticizers from food-grade PVC and PVDC/PVC films into olive oil.
MedLine Citation:
PMID:  7571870     Owner:  NLM     Status:  MEDLINE    
Food-grade PVC and PVDC/PVC films containing 28.3% dioctyladipate (DOA) and 5.0% acetyltributylcitrate (ATBC) plasticizers, respectively, were brought into contact with olive oil and were irradiated with gamma-radiation [60Co] at doses equal to 4 kGy and 9 kGy corresponding to "cold pasteurization". Irradiation was carried out at 8-10 degrees C and samples were subsequently stored at 4-5 degrees C. Contaminated oil samples were analysed for DOA and ATBC at intervals between 7 h and 97 h of contact, using an indirect GC method. Identical nonirradiated (control) samples were also analysed for DOA and ATBC content. Results showed no statistically significant differences in migrated amounts of DOA and ATBC between irradiated and non-irradiated samples. Neither were differences observed between samples irradiated at 4 kGy and 9 kGy. This was supported by identical IR spectra recorded for irradiated and non-irradiated samples and leads to the conclusion that at such intermediate radiation doses (< or = 9 kGy) the migration characteristics of both PVC and PVDC/PVC films are not affected. The amount of DOA that migrated into olive oil was dependent on time, reaching equilibrium after approximately 47 h of contact (302.8 mg/l). The amount of ATBC that migrated into olive oil was non-detectable (< 1 mg/l) for all samples stored at 4-5 degrees C after 97 h. In non-irradiated samples (PVDC/PVC in contact with oil) stored at 20 degrees C, small amounts of migrated ATBC were determined (3.3 and 5.1 mg/l after 29 h 94 h of contact respectively).(ABSTRACT TRUNCATED AT 250 WORDS)
A E Goulas; A Kokkinos; M G Kontominas
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Zeitschrift für Lebensmittel-Untersuchung und -Forschung     Volume:  201     ISSN:  0044-3026     ISO Abbreviation:  Z Lebensm Unters Forsch     Publication Date:  1995 Jul 
Date Detail:
Created Date:  1995-11-07     Completed Date:  1995-11-07     Revised Date:  2013-11-13    
Medline Journal Info:
Nlm Unique ID:  7509812     Medline TA:  Z Lebensm Unters Forsch     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  74-8     Citation Subset:  IM    
Department of Chemistry, University of Ioannina, Greece.
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MeSH Terms
Adipates / radiation effects*
Citrates / radiation effects*
Dietary Fats, Unsaturated*
Dose-Response Relationship, Radiation
Food Irradiation*
Gamma Rays*
Plant Oils*
Plasticizers / radiation effects*
Polyvinyl Chloride / analogs & derivatives*
Reg. No./Substance:
0/Adipates; 0/Citrates; 0/Dietary Fats, Unsaturated; 0/Plant Oils; 0/Plasticizers; 0ZBX0N59RZ/2-acetyltributylcitrate; 2BD76YG9SI/dioctyl adipate; 8001-25-0/olive oil; 9002-85-1/polyvinylidene chloride; 9002-86-2/Polyvinyl Chloride

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