N I Voskobulova, A S Vereshagina, R Sh Uraskulov, M Ya Kurilkina

Acknowledgements:

Research was carried out according the plan of research scientific works on 2019-2021 yy. FSBSI FRC BST RAS (No 0761-2019-0004)

DOI: 10.33284/2658-3135-102-3-117

UDC 633.358:631.5(470.56)

Amino acid composition and biological value of pea protein depending on cultivation techniques

N I Voskobulova, A S Vereshagina, R Sh Uraskulov, M Ya Kurilkina

Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences (Orenburg, Russia) 

Summary. The article presents the results of studies on the effect of seeding rates on the content of protein and amino acids in pea grains.

In the steppe zone of the Orenburg region field experiments with two varieties of peas Samarius and Flagman 12 were conducted according to the method of BA. Dospekhov. The content of crude protein in pea grain and its amino acid composition in variants with seeding rates of 0.6; 0.8; 1.0; 1.2; 1.4 million seeds per 1 ha were studied.

The biological value of proteins was determined according to the method of amino acid scoring. The amino acid composition of pea grain protein was compared with the amino acid parameters of a standard («ideal») protein (chicken protein).

In the course of research, it was found that the amount and quality of protein in pea seeds depends on the growing conditions, genetic characteristics and cultivation technology. Dry hot weather during the growing season and an increase in seeding rates increased the content of crude protein in pea seeds.

Under the influence of the seeding rate, the amino acid composition of pea protein changed. Increasing seeding rate from 0.6 to 1.4 million of germinating seeds per 1 ha, the content of main essential amino acids of Samarius variety decreased, and in variety Flagman 12 it increased. The amino acid content of leucine + isoleucine and lysine in pea protein was by 98.2-145.4 and 72.7-101.8% in accordance with the recommended standards of FAO/WHO Food Committee. The limiting amino acid in pea seeds was methionine. The research results make it possible to recommend peas as a component of compound feeds as a source of essential amino acids.

Key words: peas, varieties, Samarius, Flagman 12, protein, amino acids, Orenburg region.

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Voskobulova Nadezhda Ivanovna, Cand. Sci. (Agr.), Leading Researcher, Head of Department Fodder Technologies, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia,  27/1Gagarin Avenue, tel.: 8(3532)43-46-90, cell phone: 8-919-864-34-40, e-mail: voskobulova1952@yandex.ru

Vereshchagina Antonina Sergeevna, Cand. Sci (Agr.), Senior Researcher, DepartmentFodderTechnologies, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia,  27/1Gagarin Avenue, tel.: 8(3532)43-46-23, cell phone: 8-919-853-17-26

Uraskulov Ruslan Shamilyevich, Senior Researcher, DepartmentFodderTechnologies, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460051, Orenburg, Russia, 27/1Gagarin Avenue, tel.: 8(3532)43-46-23

Kurilkina Marina Yakovlevna, Cand. Sci (Biol.), Researcher of the Testing Center CCU, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Januarya St., tel.: 8(3532)77-39-97, e-mail: icvniims@mаil.ru

 

Received: 12 September 2019; Accepted: 16 September 2019; Published: 30 September 2019

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