vetpressАграрная наукаAgrarian science0869-81552686-701XРедакция журнала "Аграрная наука"10.32634/0869-8155-2023-374-9-166-170vetpress-2801Research ArticleАГРОИНЖЕНЕРИЯ И ПИЩЕВЫЕ ТЕХНОЛОГИИAGROENGINEERING AND FOOD TECHNOLOGIESСодержание полифенольных соединений в траве гречихи посевной в зависимости от агротехнических и абиотических факторов и оценка возможности ее использования в пищевых технологияхThe content of polyphenolic compounds in buckwheat grass depending on agrotechnical and abiotic factors and the assessment of the possibility of its use in food technologieshttps://orcid.org/0000-0002-8993-8067ТанашкинаТ. В.TanashkinaT. V.

Татьяна Владимировна Танашкина, кандидат биологических наук

пос. Аякс, 10, о. Русский, Владивосток, 690922

Tatiana Vladimirovna Tanashkina, Candidate of Biological Sciences

10 Ajax Bay, Russky Island, Vladivostok, 690922

tatiana.vl.tan@gmail.comhttps://orcid.org/0009-0001-0555-8092ОсипенкоЭ. Ю.OsipenkoE. Yu.

Эльвира Юрьевна Осипенко, студент

пос. Аякс, 10, о. Русский, Владивосток, 690922

Elvira Yurievna Osipenko, Student

10 Ajax Bay, Russky Island, Vladivostok, 690922

elvira_osipenko2002@mail.ruhttps://orcid.org/0000-0002-3340-0938ТанашкинА. С.TanashkinA. S.

Артём Сергеевич Танашкин, инженер-исследователь

Политехническая ул., 26, Санкт-Петербург, 194021

Artyom Sergeevich Tanashkin, Research Engineer

26 Polytekhnicheskaya Str., St. Petersburg, 194021

artyom.tanashkin@gmail.comhttps://orcid.org/0000-0001-9503-3566СеменютаА. А.SemenyutaA. A.

Анна Андреевна Семенюта, кандидат технических наук

пос. Аякс, 10, о. Русский, Владивосток, 690922

Anna Andreevna Semenyuta, Candidate of Technical Sciences

10 Ajax Bay, Russky Island, Vladivostok, 690922

nyrochka_1988@mail.ruhttps://orcid.org/0000-0001-6999-2210ЛяхВ. А.LyakhV. A.

Владимир Алексеевич Лях, кандидат технических наук

пос. Аякс, 10, о. Русский, Владивосток, 690922

Vladimir Alekseevich Lyakh, Candidate of Technical Sciences

10 Ajax Bay, Russky Island, Vladivostok, 690922

lyah.va@dvfu.ruДальневосточный федеральный университетРоссияFar Eastern Federal UniversityRussian FederationФизико-технический институт им. А.Ф. Иоффе РАНРоссияA.F. Ioffe Institute of the Russian Academy of SciencesRussian Federation20232709202309166170Copyright © Танашкина Т.В., Осипенко Э.Ю., Танашкин А.С., Семенюта А.А., Лях В.А., 20232023Танашкина Т.В., Осипенко Э.Ю., Танашкин А.С., Семенюта А.А., Лях В.А.Tanashkina T.V., Osipenko E.Y., Tanashkin A.S., Semenyuta A.A., Lyakh V.A.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.vetpress.ru/jour/article/view/2801Актуальность

Актуальность. Гречиха является источником многих биологически активных веществ. Особенно много их в листьях и соцветиях, из которых можно получать чайные напитки специализированной и функциональной направленности. Эти части растений богаты полифенольными соединениями (ПФ), основной из которых — рутин. Содержание их в растении зависит от многих факторов.

Цель работы — установление влияния сроков посева, ультрафиолетового (УФ) излучения и температуры на накопление ПФ в гречихе.

Методы

Методы. Семена гречихи высевали четырежды в июне — июле. Для определения содержания ПФ в водно-этанольных экстрактах и водных настоях травы гречихи разных сроков посева, собранной в фазу активного цветения, использовали реактив Folin-Ciocalteu, антиоксидантной активности — DPPH-радикал.

Результаты

Результаты. Сроки посева оказывают влияние на содержание ПФ. При более ранних срока высева семян накопление ПФ в экстрактах было выше (8,42–9,33%) по сравнению с поздним (6,10%), в настоях варьировало от 2,10 до 2,83%. Имеются указания на прямую зависимость накопления ПФ в экстрактах от уровня УФ-излучения в период вегетации, требующие дальнейшей проверки. Существенного влияния температуры не выявлено. АОА всех образцов была высокой. Содержание ПФ в водных настоях позволяет рекомендовать траву гречихи в качестве сырья для получения чайных напитков.

Relevance

Relevance. Buckwheat is a source of many biologically active substances. Especially there are a lot of them in leaves and inflorescences from which it is possible to get tea beverages for specialized and functional nutrition. These plant parts are rich in polyphenolic compounds (PC), the main one being rutin. Their content in the plant depends on many factors.

The aim of this study is to estimate the effect of sowing dates, ultraviolet (UV) radiation and temperature on PC accumulation in buckwheat plants.

Methods

Methods. Buckwheat seeds were sown four times in June-July. The PC content of buckwheat water-ethanol extracts and water infusions was determined by Folin-Ciocalteu, method antioxidant activity — by DPPH radical scavenging method.

Results

Results. The sowing dates influence the PC content. At the earlier sowing dates of seeds the accumulation of PC in the extracts was higher (8.42–9.33%) in comparison with the later ones (6.10%). The PC content in the infusions varied from 2.10 to 2.83%. There are indications of a direct relationship between the accumulation of PC and the level of UV radiation during the growing season requiring further verification. A significant effect of temperature was not revealed. The AOA of all samples was high. The content of PC in aqueous infusions allows us to recommend buckwheat grass as a raw material for tea beverages.  

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The authors declare that there are no conflicts of interest present.