Capillary electrophoresis to approach sorbate usage in processed meat products in Brazil

Sorbate is a highly used preservative in a wide range of processed foods, including meat products. In this work sorbate usage in commercial processed meat products from the Brazilian market was evaluated. A capillary electrophoresis method for sorbate analysis using ethanol:water extraction solution...

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Bibliographic Details
Published in:Journal of food science and technology 2018-01, Vol.55 (1), p.443-447
Main Authors: Mesquita, Estela, Petruci, João F. S., Cardoso, Arnaldo A., Monteiro, Magali
Format: Article
Language:English
Subjects:
Brazil
Capillary electrophoresis
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
detection limit
Electrophoresis
Ethanol
Food
Food preservation
Food processing
Food Science
Ham
hot dogs
laws and regulations
Legislation
Linearity
markets
Meat
Meat processing
Meat products
mortadella
Nutrition
Pork
poultry
Preservatives
Processed foods
processed meat
Salami
Sausages
Short Communication
Sodium
sodium borate
Sodium tetraborate
Studies
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Summary:Sorbate is a highly used preservative in a wide range of processed foods, including meat products. In this work sorbate usage in commercial processed meat products from the Brazilian market was evaluated. A capillary electrophoresis method for sorbate analysis using ethanol:water extraction solution (1:2, v/v) and sodium tetraborate (20 mmol L −1 ) electrolyte solution was validated. Low limits of detection (0.4 mg L −1 ) and quantification (1.0 mg L −1 ), good precision (RSD = 3.6%) and suitable accuracy (70.2%, RSD = 1.8%) were attained. Linearity was observed from 1.0 to 15.8 mg L −1 , with r ≥ 0.999. The proposed method was applied to Brazilian pork and hot dog sausages, salami, ham and mortadella. A peak of sorbate between 4 and 6 min was found in pork and hot dog sausages, poultry and pork mortadella, but not in ham and salami. The sorbate levels ranged from 54.0 to 976.4 mg kg −1 . Sorbate concentration exceeded the 200 mg kg −1 limit of the Brazilian legislation in all sorts of products in the majority of the brands despite there being no information regarding sorbate on the label. These results indicated the widespread use of sorbate, turning this into food for thought.
ISSN:0022-1155
0975-8402
DOI:10.1007/s13197-017-2949-1