DOI: /10.5513/JCEA01/12.1.883

Original scientific paper

CHANGES OF CRUDE PROTEIN CONTENT IN MALTING BARLEY INFLUENCED BY POSTHARVEST RIPENING

2011, 12 (1)   p. 92-102

M. LÍŠKOVÁ, H. FRANČÁKOVÁ, J. MAREČEK

Abstract

Aim of this experiment was to investigate to what extent post-harvest ripening and growing locality influenced changes of crude protein content in malting barley and values of Kolbach index in malt. Results revealed that already in the sixth week after harvest, amount of crude protein decreased and amount of Kolbach index increased, due to post-harvest ripening. Moreover climatic conditions during vegetation and harvest as well as the growing locality significantly influenced (P<0.001) the amount of crude protein. Higher amount of crude protein was measured in barley from locality Jakubovany which is situated in colder growing area in comparison with localities Sládkovičovo and Veľké Ripňnany which are situated in arid growing areas.

Keywords

barley, crude protein, post-harvest ripening, malt, kolbach index

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