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Articles by G.H.R. Jahed Khaniki
Total Records ( 1 ) for G.H.R. Jahed Khaniki
  G.H.R. Jahed Khaniki , M. Yunesian , K. Naddafi , J. Nouri and M. Ali Mohammadi
  Phthalates are present in almost all plastic equipments. Phthalates are not chemically but only physically bound to the polymer chains, they may be leached into food and beverages from the packaging material. A study was determined DBP and DEHP release into water stored in plastic tumblers at different temperatures and times. Thirty five disposable plastic tumblers with 200 mL volume, which have manufactured for water and beverages, bought from plastic market. Then, deionized water with different degrees (10 and 80°C) was added into disposable plastic tumblers for a period of 10, 20 and 60 min. Extraction was done and all analyses were carried out on a HPLC system with UV detector. Results showed that the maximum of DBP and DEHP contents into water stored in disposable plastic tumblers are 1.5±0.48 and 0.15±0.08 μg L-1, respectively. Stored hot water with 80°C for 60 min had the highest concentrations of DBP in the other groups of water samples. It was showed that released DBP into water samples has increased at high temperatures and longer period. Also, there was a significant difference in DBP contents in stored water with 10°C for 10 min (p<0.023) and DEHP contents in stored water with 80°C for 20 min (p<0.023), while there wasn`t a significant difference in other DBP and DEHP contents in water samples (p>0.05). It was concluded that released DBP and DEHP levels into water samples has increased at high temperatures and longer times. Therefore, it can have been some concerns about the release of DBP and DEHP from plastic tumblers into hot drinks for consumer.
 
 
 
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