Article (Scientific journals)
Influence of drying temperature on the wet-milling performance and the proteins solubility indexes of corn kernels
Malumba Kamba, Paul; Janas, Sébastien; Masimango, Thaddée et al.
2009In Journal of Food Engineering, 95, p. 393-399
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Keywords :
Wet-milling; corn; protein; drying; modelling; solubility; sigmoïdal; zein; albumin
Abstract :
[en] The effects of air drying temperature on the wet-milling performance and the proteins solubility indexes were investigated for corn kernels dried between 54°C and 130°C. It was observed that when the drying temperature increases, the starch yield drops significantly. The gluten recovered increased abruptly for drying temperatures up to 80 C. The albumin, globulin and zein solubility indexes decreased continuously when corn drying temperatures increased. According to the temperatures used, the starch yield, the gluten recovered and the salt-soluble proteins solubility indexes were adjusted satisfactorily by using a two asymptotic logistic model. This model has the advantage of supplying information on the dynamic of the variation of described parameters. The solubility index of total salt-soluble proteins was shown to be a suitable indicator of the severity of the drying treatment in regard to the corn wet-milling performance.
Disciplines :
Food science
Author, co-author :
Malumba Kamba, Paul  ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Janas, Sébastien ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Masimango, Thaddée
Sindic, Marianne  ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Deroanne, Claude;  Faculté Universitaire des Sciences Agronomiques de Gembloux - FUSAGx > Unité de Technologie des Industries agro-alimentaires
Bera, François ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Language :
English
Title :
Influence of drying temperature on the wet-milling performance and the proteins solubility indexes of corn kernels
Publication date :
2009
Journal title :
Journal of Food Engineering
ISSN :
0260-8774
eISSN :
1873-5770
Publisher :
Elsevier Science, Oxford, United Kingdom
Volume :
95
Pages :
393-399
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 September 2010

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