Document Detail


Studies on some trace and minor elements in blood. A survey of the Kalpakkam (India) population. Part III: Studies on dietary intake and its correlation to blood levels.
MedLine Citation:
PMID:  9359989     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In our studies on elemental levels in blood of the Kalpakkam population, it was found that the reference values for many elements were normal, but some deficiency with respect to Se was noticed. As a followup study, the dietary ingredients of the local population were analyzed for trace and minor elements to assess the dietary intake of these elements. Details of the analytical methods developed using the technique of inductively coupled plasma-mass spectrometry (ICP-MS) and atomic absorption spectrometry (AAS) have been described. The dietary intake of many of these trace and minor elements were found to be quite adequate according to the recommended dietary allowance (RDA) levels prescribed, except for Se and Zn. The dietary intake of Se was found to be in the range 20-50 micrograms/d (as opposed to the RDA of 50-200 micrograms/d), whereas the intake of Zn was found to be in the range 8-10 mg/d (as opposed to the RDA of 15 mg/d). Although the deficiency of Se intake was reflected in the blood, that of Zn was not, probably owing to the high level of homeostasis for this element. Fish and egg were found to be rich sources of Se, followed by cereals and pulses, which were found to be the major sources of Zn.
Authors:
T R Mahalingam; S Vijayalakshmi; R K Prabhu; A Thiruvengadasami; A Wilber; C K Mathews; K R Shanmugasundaram
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Biological trace element research     Volume:  57     ISSN:  0163-4984     ISO Abbreviation:  Biol Trace Elem Res     Publication Date:  1997 Jun 
Date Detail:
Created Date:  1998-01-06     Completed Date:  1998-01-06     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7911509     Medline TA:  Biol Trace Elem Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  223-38     Citation Subset:  IM    
Affiliation:
Chemical Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, India.
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MeSH Terms
Descriptor/Qualifier:
Adult
Animals
Diet*
Humans
India
Male
Mass Spectrometry
Metals / blood*
Middle Aged
Milk / chemistry
Ovum / chemistry
Reference Values
Seafood
Selenium / analysis
Spectrophotometry, Atomic
Trace Elements / blood*
Triticum / chemistry
Vegetables / chemistry
Zinc / analysis
Chemical
Reg. No./Substance:
0/Metals; 0/Trace Elements; 7440-66-6/Zinc; 7782-49-2/Selenium

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