Quantitative assessment of phosphate food additive in frozen and chilled chicken using spectrophotometric approach combined with graphitic digestion.
Food Chem
; 389: 133050, 2022 Sep 30.
Article
in En
| MEDLINE
| ID: mdl-35483301
ABSTRACT
A new method based on spectrophotometry combined with graphitic digestion was developed for quantitative assessment of phosphate in frozen and chilled chicken meat. Digestion reagents comprising HNO3 (conc.) & H2SO4 (conc.) and HNO3 (5 M) & H2SO4 (conc.) were found to have optimal composition, affording similar recovery values of 100% and 99%, respectively, with excellent linearity (R2 > 0.999) and good limit of detection (LOD = 0.032 mg/L) and limit of quantification (LOQ = 0.10 mg/L), whereas other reagents offered lower recoveries (0-1.73%). Phosphate was found in concentrations of 3.38-5.90 g/kg and 3.96-26.94 g/kg in frozen and chilled chicken, respectively. Chilled chicken contained higher amounts of phosphate (>20 g/kg) than recommended by the European Commission (EC, 5 g/kg), either alone or in a mixture of processed meat products. This method is simple, cost-effective, and can be used as an alternative for analyzing phosphate in various samples comprising a similar matrix.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Chickens
/
Graphite
Limits:
Animals
Language:
En
Journal:
Food Chem
Year:
2022
Document type:
Article
Affiliation country:
Saudi Arabia