Journal
PROCESSES
Volume 9, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/pr9081368
Keywords
vacuum impregnation; barley; wheat; rye; germination
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This study investigated the impact of vacuum impregnation on the viability of grains of various cereals, revealing that vacuum-impregnated grains exhibited higher initial water content and faster germination without disturbing the internal structure of the grains.
Grain viability is of key importance in the production of malt. This paper presents the results of research on the influence of vacuum impregnation of grains of various cereals on theirservice life. One malting barley cultivar, two wheat cultivars, and a rye cultivar mix were tested. The grain was subjected to wet vacuum impregnation and wet vacuum impregnation carried out cyclically under the pressure of 5 kPa. Then, samples of the impregnated grain were sown and its germination capacity was tested every 24 h to 120 h. The control sample was grain soaked under atmospheric pressure. Vacuum impregnation did not cause any significant changes in the germination capacity of the examined cereal varieties. The vacuum-impregnated grain displayed a higher initial water content and germinated faster. It was found that the impregnation did not disturb the internal structure of the grain, indicated by the fact that the most delicate part of the grain, i.e., the embryo, retained its vital functions in every examined case.
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