Document Detail

Lead and cadmium contents in Finnish breads.
MedLine Citation:
PMID:  7835475     Owner:  NLM     Status:  MEDLINE    
A total of 647 breads from nine bakeries were pooled into 48 representative samples. After wet digestion in concentrated HNO3, the contents of lead and cadmium were determined using electrothermal atomic absorption spectrometry with Zeeman effect background correction and (NH4)H2PO4 matrix modification. The mean lead and cadmium contents found in the various types of bread were: rye bread 16 and 14, coffee bread 19 and 23, French bread 8 and 27, whole wheat bread 8 and 30, mixed bread group I 17 and 27, and mixed bread group II 14 and 28 micrograms/kg. The mean and median lead contents of all breads were 14 and 8 micrograms/kg. The samples showed a very high variation in their lead contents. In the present study, the lead content found in Finnish breads was much lower than that in the late 1970s. The mean and median cadmium contents in all of the bread samples analysed were 24 and 25 micrograms/kg. The cadmium content of rye breads was clearly lower than that of the other bread types studied. The content of cadmium in the different types of bread was at about the same level as that reported in Finnish breads in the late 1970s.
R Tahvonen; J Kumpulainen
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Food additives and contaminants     Volume:  11     ISSN:  0265-203X     ISO Abbreviation:  Food Addit Contam     Publication Date:    1994 Sep-Oct
Date Detail:
Created Date:  1995-02-28     Completed Date:  1995-02-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8500474     Medline TA:  Food Addit Contam     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  621-31     Citation Subset:  IM    
Agricultural Research Centre of Finland, Central Laboratory, Jokioinen.
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MeSH Terms
Bread / analysis*
Cadmium / analysis*
Food Contamination*
Indicators and Reagents
Lead / analysis*
Secale cereale
Sensitivity and Specificity
Spectrophotometry, Atomic / methods
Reg. No./Substance:
0/Indicators and Reagents; 7439-92-1/Lead; 7440-43-9/Cadmium

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