Authors:
G. K. Duskaev,
M. Ya. Kurilkina
Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia
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Abstract. The aim of the study is to evaluate the effect of phytobiotics on the biochemical composition of the muscle tissue of broiler chickens. Research methods: atomic emission spectrometry, capillary electrophoresis, gas chromatography. Scientific novelty. The influence of phytomaterials (gamma-octalactone, vanillic acid) on the biochemical composition of the muscle tissue of broiler chickens was evaluated for the first time. Results: biochemical composition of muscle tissue the composition was characterized by a lower content of amino acids: tyrosine (pectoral muscles), lysine, threonine, alanine, leucine + soleucine (femoral muscles) in group II (P < 0.05) and a high content of valine and histidine (pectoral muscles) in group I (P < 0.05), according to compared to the control. There was also an increase in the concentration of fatty acids in the pectoral muscle (P < 0.05): myristic and arachin (I and II), stearic (III), linoleic (II and III) and a decrease in palmitic (III) and palmitooleic (II and III). An increase in the concentration of myristic (III group, P < 0.05), oleic (II group, P < 0.05) fatty acids was found in the thigh muscles. In group I broiler chickens, the concentration of macronutrients (Ca, P, K, Na) and trace elements (B, Fe) in the pectoral muscle decreased (P ≤ 0.05). In group II, an increase was found (P ≤ 0.05) – Ca, Co, Mn, Zn, in group III – Fe (P ≤ 0.05). In the thigh muscle tissue of group I, the concentrations of macronutrients – K, Mg decreased (P ≤ 0.05) and increased (P ≤ 0.05) Na, Ca, B, Cu, Ni, I, Zn. In II, there was an increase in the content of B (P < 0.05), and in III, on the contrary, a decrease (P ≤ 0.05) in Ca and K. Thus, the use of vanillin acid alone or in combination with gamma-lactone contributes to the biological value of the muscle tissue of broiler chickens in terms of increasing the amount of essential amino acids, unsaturated fatty acids and important macroand microelements.
Keywords: phytomaterials, vanillic acid, gamma lactone, muscle tissue, broiler chickens.
For citation: Duskaev G. K., Kurilkina M. Ya. Vliyanie fitoveshchestv na biokhimicheskiy sostav myshechnoy tkani tsyplyat-broylerov [The effect of phytomaterials on the biochemical composition of the muscle tissue of broiler chickens] // Agrarian Bulletin of the Urals. 2022. Special issue “Biology and biotechnologies”. Pp. 9‒20. DOI: 10.32417/1997-4868-2022-229-14-9-20. (In Russian.)
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