Biologically Active Compounds and Antioxidant Activity of the Plants from the Mountain Altai of the Caragana Genus

IF 1.1 4区 化学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY
E. P. Khramova, S. Ya. Syeva, T. A. Kukushkina, T. M. Shaldaeva
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Abstract

Objective: The article presents data on the content of biologically active compounds (BAC) and the total phenolic antioxidants activity (TPA) evaluated for aboveground organs of three species from the Caragana genus – C. bungei, C. pygmaea, and C. spinosa, growing in the Mountain Altai. Methods: The content of flavonols was determined by the spectrophotometric method on the SF-56 spectrophotometer in the presence of aluminum chloride, using CO rutin (Chemapol) as a reference substance. Phenolic compounds (flavonols, catechins, tannins), pectin substances (pectin and protopectin), pigments (carotenoids and chlorophylls) and the total content of phenolic antioxidants were analyzed in the aboveground organs of Caragana. Results and Discussion: It is shown that biologically active substances of a plant are synthesized differently depending on the species, habitat and organ of the plant. The highest level of flavonols (36.4 mg/g), tannins (117.2 mg/g), and carotenoids (0.56 mg/g) was registered in leaves of C. spinosa. Catechins predominantly accumulated in the leaves of C. pygmaea (up to 211.3 mg/100g) and inflorescences of C. bungei (up to 205 mg/g). The content of pectin substances was quite high, with the biggest share of protopectins. The highest level of protopectins was registered in inflorescences of C. bungei (5.81%) and leaves of C. pygmaea (3.58%). Pectins are synthesized more in the flowers of C. bungei (0.74%) and leaves of C. spinosa (0.49%). Differences in the content of photosynthetic pigments (chlorophylls and carotenoids) in the shoots of the studied Caraganas were revealed. The highest values of antioxidant activity were found in the water–ethanol extracts from the leaves of C. spinosa (1.61 mg/g), which is probably due to the increased content of flavonols and tannins. Conclusions: It was shown that the antioxidant activity of Caragana plants is 71% determined by the content of tannins, 62% by the content of flavonols and 41% by the content of carotenoids. C. spinosa is more promising for finding sources of antioxidants.

Abstract Image

阿尔泰山锦鸡儿属植物的生物活性成分及抗氧化活性研究
目的:对生长在阿尔泰山的锦鸡儿属三种锦鸡儿(C. bungei)、C. pygmaea和C. spinosa)地上器官的生物活性化合物(BAC)含量和总酚类抗氧化活性(TPA)进行了评价。方法:以CO芦丁(Chemapol)为对照品,在氯化铝存在下,用SF-56分光光度仪测定黄酮醇的含量。分析了柠条地上器官中酚类物质(黄酮醇、儿茶素、单宁)、果胶物质(果胶和原果胶)、色素(类胡萝卜素和叶绿素)和酚类抗氧化剂的总含量。结果与讨论:植物的生物活性物质根据植物的种类、生境和器官的不同而合成不同。黄酮醇含量最高(36.4 mg/g),单宁含量最高(117.2 mg/g),类胡萝卜素含量最高(0.56 mg/g)。儿茶素主要富集在毕格马的叶片(最高达211.3 mg/100g)和黄花马的花序(最高达205 mg/g)中。果胶类物质含量较高,以原果胶类物质所占比例最大。原粘连素含量最高的是黄花蒿的花序(5.81%)和皮葛的叶片(3.58%)。果胶在黄花和棘叶中合成最多(分别为0.74%和0.49%)。揭示了柠条幼芽光合色素(叶绿素和类胡萝卜素)含量的差异。水乙醇提取物的抗氧化活性最高(1.61 mg/g),这可能是由于黄酮醇和单宁含量增加所致。结论:柠条的抗氧化活性由单宁含量决定71%,由黄酮醇含量决定62%,由类胡萝卜素含量决定41%。棘叶草在寻找抗氧化剂来源方面更有希望。
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来源期刊
Russian Journal of Bioorganic Chemistry
Russian Journal of Bioorganic Chemistry 生物-生化与分子生物学
CiteScore
1.80
自引率
10.00%
发文量
118
审稿时长
3 months
期刊介绍: Russian Journal of Bioorganic Chemistry publishes reviews and original experimental and theoretical studies on the structure, function, structure–activity relationships, and synthesis of biopolymers, such as proteins, nucleic acids, polysaccharides, mixed biopolymers, and their complexes, and low-molecular-weight biologically active compounds (peptides, sugars, lipids, antibiotics, etc.). The journal also covers selected aspects of neuro- and immunochemistry, biotechnology, and ecology.
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