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Determination of bisphenol A in canned vegetables and fruit by high performance liquid chromatography

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A high performance liquid chromatography (HPLC) method was developed for the determination of bisphenol A (BPA) that had migrated into canned fruit and vegetables. BPA was extracted with acetonitrile from the solid portion of canned food, and with an OASIS HLB cartridge from the aqueous portion, respectively. Both extracts were cleaned up on a Florisil cartridge. The HPLC separation was carried out on a Wakosil II 3C18 RS column (4.6 x 150mm) with acetonitrilewater (40:60, v/v) as a mobile phase with a flow rate of 0.8ml/min. BPA was detectable by UV detector at 228nm and determined with the similarity of chromatographic peak spectrum by multiwavelength detector (similarity index was 0.99 or above). The quantification limits were 10ng/g for the solid portion and 5ng/ml for the aqueous portion, respectively. BPA was mainly detected in the solid portion of canned food and found at the maximum level of 11  g per can. To verify migration into the solid portion of canned food, a partitioning experiment was carried out.
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Document Type: Research Article

Affiliations: 1: Institute of Public Health 2: Hoshi University

Publication date: January 1, 2001

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