RELATIONSHIP BETWEEN LIPOXYGENASE ACTIVITY AND THE ENDOSPERM TEXTURE IN HEXAPLOID WHEAT
https://doi.org/.org/10.21285/2227-2925-2018-8-3-70-78
Abstract
The aim of the work was to study a correlation relationship between Lipoxygenase activity in the seeds of Triticum aestivum l. wheat and their endosperm texture parameters, i.e. the specific surface area of the flour, flour particle size and wheat vitreousness. A comparison between several wheat breeds and two populations of wheat alien substitution lines has shown that Lipoxygenase activity is positively correlated with the specific surface value of flour particles and is negatively correlated with wheat particle size (P ≤ 0,01). Under unfavourable environment conditions, a change in the endosperm texture parameters, namely the resistance indices of the Diamant 2 (Novosibirskay 67) wheat breed, are found to be correlated with the resistance indices of Lipoxygenase activity (P ≤ 0,05; 0,01). The endosperm texture is known to be an important technological characteristic of hexaploid wheat, which determines its milling characteristics and end use. Hard wheat varieties are used for bread-making, while soft ones are suitable for confectionery production. For the first time, a negative correlation between Lipoxygenase activity and grain hardness has been found. Lipoxygenase present in wheat seeds is likely to be involved in the formation of the endosperm texture, promoting its softness.
About the Authors
M. V. Permyakova
Siberian Institute of Plant Physiology and Biochemistry
Russian Federation
Russian Federation
S. V. Osipova
Siberian Institute of Plant Physiology and Biochemistry; Irkutsk State University
Russian Federation
Russian Federation
A. V. Permyakov
Siberian Institute of Plant Physiology and Biochemistry
Russian Federation
Russian Federation
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Review
For citations:
Permyakova M.V., Osipova S.V., Permyakov A.V. RELATIONSHIP BETWEEN LIPOXYGENASE ACTIVITY AND THE ENDOSPERM TEXTURE IN HEXAPLOID WHEAT. Proceedings of Universities. Applied Chemistry and Biotechnology. 2018;8(3):70-78. (In Russ.) https://doi.org/.org/10.21285/2227-2925-2018-8-3-70-78
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