Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 77: Issue 3
Laboratory simulations of the transformation of emmer wheat as a result of heating
Authors:
F. Braadbaart FOM Institute for Atomic and Molecular Physics Kruislaan 407, 1098 SJ Amsterdam The Netherlands E-mail 407, 1098 SJ Amsterdam The Netherlands E-mail

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J. van der Horst FOM Institute for Atomic and Molecular Physics Kruislaan 407, 1098 SJ Amsterdam The Netherlands E-mail 407, 1098 SJ Amsterdam The Netherlands E-mail

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J. Boon FOM Institute for Atomic and Molecular Physics Kruislaan 407, 1098 SJ Amsterdam The Netherlands E-mail 407, 1098 SJ Amsterdam The Netherlands E-mail

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P. van Bergen Utrecht University Department of Earth Sciences-Geochemistry, Faculty of Geosciences P.O. Box 80021 3058 TA Utrecht The Netherlands P.O. Box 80021 3058 TA Utrecht The Netherlands

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Pages:
957–973
Online Publication Date:
03 Jan 2005
Publication Date:
01 Sep 2004
Article Category:
Research Article
DOI:
https://doi.org/10.1023/b:jtan.0000041672.45140.e9
Keywords:
heat treatment; emmer wheat; carbonization; DTMS
Restricted access

Abstract  

Whole grains of emmer wheat were heated in a pre-heated tube oven at temperatures ranging from 130-700C under controlled anoxic conditions for maximum 280 min. For each temperature a separate experiment was carried out. Physical properties including mass loss, thermal lag, external and internal morphology and the vitrinite reflectance, C and N content, and DTMS under CI (NH3) and EI conditions were used to monitor changes as a function of the temperature. The results show remaining starch and protein rich material up to 250C. From 310-400C a secondary, thermally stable, product is formed and at higher temperatures a strongly carbon enriched tertiary product.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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