НЕЛИНЕЙНАЯ ЗАВИСИМОСТЬ НАКОПЛЕНИЯ ФЕНОЛЬНЫХ СОЕДИНЕНИЙ ОТ МОРФОМЕТРИЧЕСКИХ ПАРАМЕТРОВ ЛИСТА ARCTOSTAPHYLOS UVA-URSI (L.) SPRENG.

УДК 615.322:581.19:582.912.42
DOI: https://doi.org/10.52540/2074-9457.2026.2.50
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Г. Н. Бузук¹, О. А. Ёршик²

НЕЛИНЕЙНАЯ ЗАВИСИМОСТЬ НАКОПЛЕНИЯ ФЕНОЛЬНЫХ СОЕДИНЕНИЙ ОТ МОРФОМЕТРИЧЕСКИХ ПАРАМЕТРОВ ЛИСТА
ARCTOSTAPHYLOS UVA-URSI (L.) SPRENG.

¹г. Витебск, Республика Беларусь

²Белорусский государственный медицинский университет, г. Минск, Республика Беларусь

Изучение закономерностей накопления вторичных метаболитов является актуальной задачей современной физиологии растений и фармакогнозии. Понимание взаимосвязи между ростом растений и вторичным метаболизмом является одной из ключевых задач физиологии растений и биохимической экологии. В данной работе исследована связь морфометрических параметров листа с накоплением биологически активных соединений, включая суммарные фенольные соединения, флавоноиды и проантоцианидины. Для анализа использованы методы линейной и нелинейной регрессии.

Целью работы было исследование связи морфометрических параметров листа с содержанием биологически активных веществ – суммарных фенольных соединений, флавоноидов и проантоцианидинов.

Статистический анализ показал, что во всех рассмотренных случаях нелинейные модели существенно превосходят линейные по коэффициенту детерминации. Для ряда зависимостей значения R² возрастали более чем в 5–10 раз при переходе от линейной к полиномиальной модели.

Полученные результаты интерпретируются как проявление конкуренции между первичным и вторичным метаболизмом за общий пул предшественников. В период интенсивного роста происходит перераспределение ресурсов в пользу биосинтеза структурных компонентов, тогда как при отклонении от оптимальных условий усиливается синтез фенольных соединений.

В целом полученные результаты подчеркивают важную роль морфометрических параметров листа как интегральных индикаторов метаболического состояния растения и экспериментально подтверждают гипотезу о нелинейной, ресурсно-ограниченной регуляции биосинтеза вторичных метаболитов. Показано, что морфометрические параметры листа могут рассматриваться как интегральные индикаторы метаболического состояния растения. Эти данные вносят вклад в понимание адаптационных стратегий растений и могут служить основой для оптимизации накопления биологически активных веществ в лекарственных и сельскохозяйственных системах.

Ключевые слова: вторичные метаболиты, фенольные соединения, флавоноиды, проантоцианидины, морфометрия листа, нелинейная регрессия, Arctostaphylos uva-ursi (L.) Spreng.

SUMMARY

G. N. Buzuk, V. A. Yorshyk

NONLINEAR DEPENDENCE OF PHENOLIC COMPOUND ACCUMULATION ON MORPHOMETRIC PARAMETERS OF ARCTOSTAPHYLOS UVA-URSI (L.) SPRENG LEAF

The study of patterns in the accumulation of secondary metabolites is a relevant task in modern plant physiology and pharmacognosy. Understanding the relationship between plant growth and secondary metabolism is one of the key challenges in plant physiology and biochemical ecology. This study investigates the relationship between leaf morphometric parameters and biologically active compounds accumulation, including total phenolic compounds, flavonoids, and proanthocyanidins. Linear and nonlinear regression methods were used for analysis.

The aim of the work was to study the relationship between leaf morphometric parameters with the content of biologically active substances – total phenolic compounds, flavonoids, and proanthocyanidins.

Statistical analysis showed that in all the cases considered, nonlinear models significantly exceed the linear ones in terms of the determination coefficient. For a number of dependencies, R² values increased more than 5–10 times when moving from a linear to a polynomial model.

The results obtained are interpreted as manifestation of competition between primary and secondary metabolism for a common pool of precursors. In the period of intensive growth resources are redistributed in favor of the structural components biosynthesis, whereas phenolic compounds synthesis increases in case of deviation from optimal conditions,.

Overall, the results obtained emphasize an important role of leaf morphometric parameters as integral indicators of the plant metabolic state and experimentally confirm the hypothesis of nonlinear, resource-limited regulation of secondary metabolite biosynthesis. It is shown that leaf morphometric parameters can be considered integral indicators of the plant metabolic state. These findings contribute to understanding plant adaptive strategies and may serve as a basis for optimizing biologically active substances accumulation in medicinal and agricultural systems.

Keywords: secondary metabolites, phenolic compounds, flavonoids, proanthocyanidins, leaf morphometry, nonlinear regression, Arctostaphylos uva-ursi (L.) Spreng.

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Бузук Г. Н.

Поступила 11.06.2026 г.