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Comparison of Mineral- and Protein Content between Conventional, Organic and Biodynamic Swedish Winter Wheat with Atomic Absorption Spectrophotometry and Elemental Combustion Analysis.
University of Kalmar, School of Pure and Applied Natural Sciences.
2009 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

 

Correlation between production method and mineral-, cadmium- and protein content were sought for Swedish winter wheat. The wheat was grown according to conventional, organic or biodynamic principles. The minerals; iron, zinc, magnesium, copper and the heavy metal cadmium were analyzed with atomic absorption spectroscopy. Protein was analyzed with elemental combustion analysis. All together, 17 samples were analyzed; nine from the still ongoing Bollerup field trial in Skåne and eight from four different farm pairs in the midst of Sweden.

The Bollerup field trials showed that organic wheat had a higher concentration of iron than conventional. Both organic and biodynamic wheat had a higher concentration of zinc than conventional. Magnesium concentration was higher in biodynamic wheat than in conventional grown wheat. Differences between production methods were in the range of 7.5 and 17%.

No unmistakable connections were found between any of the parameters and production method for the farm pairs. However, a tendency for more minerals in organic/biodynamic wheat was seen for all minerals but iron.

Due to unclean equipment, analyzing of cadmium contents could not be completed.

Place, publisher, year, edition, pages
2009. , p. 41
Keywords [en]
biodynamic organic wheat flour mineral protein conventional atomic absorption spectrophotometry Saltå Kvarn
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-2429Archive number: 2009:L5OAI: oai:DiVA.org:lnu-2429DiVA, id: diva2:310096
Presentation
2009-06-04, -, Norrgård, Kalmar, 11:00 (English)
Uppsok
Physics, Chemistry, Mathematics
Supervisors
Examiners
Available from: 2010-04-13 Created: 2010-04-12 Last updated: 2010-04-13Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf