Determination of phthalate esters in breast milk before and after frozen storage in milk storage bags

This study describes the migration of 20 phthalates from breast milk storage bags to breast milk after storage frozen for 1 to 6 months. Analysis of the investigated phthalates was performed by GC-MS/MS. Nine phthalates were found in some of the 27 breast milk storage bags, six phthalates were detec...

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Published in:Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment Chemistry, analysis, control, exposure & risk assessment, 2020-11, Vol.37 (11), p.1897-1905
Main Authors: Fan, Ji-Cai, Ren, Ren, He, Hua-Li, Jin, Quan, Wang, Shu-Ting
Format: Article
Language:English
Subjects:
Baby foods
Bags
Breast
Breast milk
breast milk storage bag
Breastfeeding & lactation
Dibutyl phthalate
Dioctyl phthalate
Esters
Female
Food Analysis
Food Contamination - analysis
Food Storage
Gas Chromatography-Mass Spectrometry
GC-MS/MS
health risks
Humans
Migration
Milk
Milk, Human - chemistry
Phthalate esters
Phthalates
Phthalic Acids - analysis
Phthalic Acids - metabolism
Risk Assessment - standards
Storage
Storage containers
Tandem Mass Spectrometry
Time Factors
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Summary:This study describes the migration of 20 phthalates from breast milk storage bags to breast milk after storage frozen for 1 to 6 months. Analysis of the investigated phthalates was performed by GC-MS/MS. Nine phthalates were found in some of the 27 breast milk storage bags, six phthalates were detected in some of the 40 breast milk samples, but the concentrations were low, except for one sample, which contained dibutyl phthalate (DBP) at the level of 211.2 µg/kg. For most of the breast milk samples stored in breast milk storage bags, the migration of diisobutyl phthalate (DIBP), DBP and di-ethyl-hexyl phthalate (DEHP) increased with increasing storage time, but the migration of DBP and DEHP was lower than the migration limits of 300 µg/kg and 1500 µg/kg from the National Standards of the PRC even after storage for six months. The average daily intakes of DMP, DEP, DIBP, DBP and DEHP were 0.099, 0.39, 0.62, 2.89 and 1.13 µg/kg/d, respectively, and the hazard indices were far below 1.
ISSN:1944-0049
1944-0057
DOI:10.1080/19440049.2020.1815862