Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Cadmium levels in peanut products.

U Tinggi1

  • 1Queensland Health Scientific Services, Australia.

Food Additives and Contaminants
|April 22, 1999
PubMed
Summary

Cadmium levels in Australian peanut products were found to be low, below the regulatory limit. Microwave digestion proved effective for sample preparation in cadmium analysis.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A global survey of the stable isotope and chemical compositions of bottled and canned beers as a guide to authenticity.

Science & justice : journal of the Forensic Science Society·2015
Same author

Stable isotope and trace metal compositions of Australian prawns as a guide to authenticity and wholesomeness.

Food chemistry·2014
Same author

Prostatic and peripheral blood selenium levels after oral supplementation.

The Journal of urology·2003
Same author

Selenium levels in cow's milk from different regions of Australia.

International journal of food sciences and nutrition·2001
Same author

Determination of selenium in meat products by hydride generation atomic absorption spectrophotometry.

Journal of AOAC International·1999
Same author

Comparison of wet digestion procedures for the determination of cadmium and lead in marine biological tissues by Zeeman graphite furnace atomic absorption spectrophotometry.

The Science of the total environment·1992

Area of Science:

  • Food safety analysis
  • Environmental toxicology

Background:

  • Cadmium is a toxic heavy metal that can accumulate in food products.
  • Peanut products are a common dietary item, necessitating monitoring for contaminants like cadmium.

Purpose of the Study:

  • To quantify cadmium levels in various peanut products available in Brisbane.
  • To assess compliance with Australian regulatory limits for cadmium in peanuts.
  • To evaluate the efficiency of microwave digestion for sample preparation in cadmium analysis.

Main Methods:

  • Samples of peanut butter, raw, roasted, and crushed peanuts were collected from commercial producers and local markets.
  • Microwave digestion was employed for sample pre-treatment before dry ashing.
  • Cadmium concentration was determined using appropriate analytical techniques.

Main Results:

  • Mean cadmium concentrations ranged from 0.013 to 0.031 mg/kg across all tested peanut products.
  • All analyzed samples exhibited cadmium levels below the Australian maximum permitted concentration of 0.05 mg/kg.
  • Microwave digestion significantly reduced sample digestion time prior to analysis.

Conclusions:

  • Peanut products commercially available in Brisbane generally contain low levels of cadmium, posing no immediate food safety risk regarding this heavy metal.
  • The current Australian regulatory limit for cadmium in peanuts is adequate based on these findings.
  • Microwave digestion is a highly effective and time-efficient method for preparing peanut samples for cadmium analysis.

Related Experiment Videos