scholarly journals COMPOSITION OF BIOLOGICALLY ACTIVE SUBSTANCES OF THE HORSE CHESTNUT (AECULUS HIPPOCASTANUM L.)

ÈKOBIOTEH ◽  
2021 ◽  
Vol 4 (1) ◽  
pp. 33-39
Author(s):  
V.P. Kurchenko ◽  
◽  
N.V. Sushinskaya ◽  
K.I. Maiorava ◽  
E.I. Tarun ◽  
...  

The study of the composition of biologically active substances, alcoholic extracts from flowers of Aeculus hippocastanum L. According to the results of HPLC-MS and GC-MS analyzes, the extract contains the main amounts of phenolic compounds: quercetin, epicatechin, kaempferol. In addition, the extract contains fatty acids and their esters, alcohols, 3-deoxy-d-manno lactone, 1,2,3,5-cyclohexantethrol, α-methyl-mannofuranoside, γ sitosterol. Antioxidant activity of an extract from flowers of A. hippocastanum is associated with the peculiarities of the compositionof biologically active substances. The toxological-hygienic assessment of flowers of this species in acute and subacute experiments showed that it belongs to the 4th hazard class (low hazard).

2017 ◽  
Vol 1 (1) ◽  
pp. 49-52 ◽  
Author(s):  
Justyna Suliga ◽  
Paweł Śliwa

Micellar mediated extraction (MME) is a new and alternative method of obtaining biologically active substances, such as flavones, flavanones, anthocyanins, triterpene from plant material. In this study a series of polyethoxylated sorbitan esters of fatty acids (Tween 20, 40, 60 and 80) have been applied for the extraction of green tea containing Chrysanthemum morifolium flowers. Results showed that all tested surfactants were effective in the solubilisation of flavonoids and phenolic compounds. Probably, because of too high hydrophilicity, Tween 20 was not sufficient to obtain antioxidants, in contrast to another Tween. It has been shown that method is economical, attractive and ecological.


2019 ◽  
Vol 49 (1) ◽  
pp. 5-13
Author(s):  
Анна Битюкова ◽  
Anna Bityukova ◽  
Александра Амелькина ◽  
Alexandra Amelkina ◽  
Александр Евтеев ◽  
...  

The present research features a new biotechnological approach for complex processing of secondary cereal products. The approach makes it possible to obtain new functional foods and ingredients, such as carbohydrate-protein concentrate, dietary fiber concentrates, biologically active substances, polyphenols, and xylo-oligosaccharides. The complex biotechnology involves oat bran biotransformation and includes chemical, hydrothermal, and enzymatic methods of extraction, which allows manufacturers to obtain functional ingredients with antioxidant and prebiotic properties. The concentrates obtained as a result of the study contained a significant amount of protein, hydrolysis products of polysaccharides (glucose, maltodextrins), and free polyphenols. The experiment produced concentrates of biologically active substances containing xylo-oligosaccharides and phenolic compounds. The content of polyphenols was 67% of the total amount in oat bran, protein – 6.9%, carbohydrates – 80.7% xylo-oligosaccharides whith prebiotic properties 35.3%–71.5%, and ash 11.3%. The obtained data indicated a high antioxidant activity of polyphenol extracts. The differences in antioxidant activity between various methods of extraction are associated primarily with the completeness of extraction and the stability of the extracted phenolic compounds. Ultrasonic treatment proved beneficial for the extraction kinetics and the polyphenol yield at the initial stage, with an increase in antioxidant properties. As for the antioxidant activity of polyphenol concentrate during storage, the research did not reveal changes for 8 months at a temperature of 20 ± 1°C and a relative humidity of 70 ± 5%. The study of the growth dynamics of Lactobacillus acidophilus and Bifi obacterium bifi um in media containing xylo-oligosaccharide concentrate confirmed the presence of prebiotic properties and their selectivity. The accumulation of biomass of prebiotic cultures occurred faster with the use of nutrient media with the use of xylo-oligosaccharide concentrate and lactulose, as compared with milk. Thus, the research confirmed the feasibility of biotechnology for transforming oat bran into functional ingredients, which makes it possible to use them in new technological solutions for products with bifidogenic properties.


2019 ◽  
Vol 19 (1-2) ◽  
pp. 27-32
Author(s):  
T. A Pozdnyakova ◽  
R. A Bubenchikov

Topicality. In the process of originating and development of many diseases, an important role belongs to free radicals, which trigger chain reactions leading to damage of cells and tissues. The natural antioxidants can help to neutralize free radicals, among which phenolic compounds are the most active. The presence of these groups of biologically active substances in the herb Astragalus glycyphyllus L. suggests the presence of antioxidant activity in the phyto-complexes of the studied plant. The purpose of this research was to study the antioxidant activity of extracts from the herb Astragalus glycyphyllus L. Materials and methods. The object of the study was the air-dry herb Astragalus glycyphyllus L. harvested in the period of mass flowering. To obtain the most reliable results of the study, the investugation of the antioxidant activity of extracts from the herb Astragalus glycyphyllus L. was carried out by two met hods: by the method based on the chemical reaction between potassium permanganate and regenerating biologically active substances contained in extracts from the studied plant and by spectrophotometry of free radicals based on the reaction interactions of 2,2-diphenyl-1-picrylhydrazyl with antioxidants contained in plant raw materials. To establish the dependence between the antioxidant activity and the presence of phenolic compounds in the plant, the content of flavonoids and hydroxycinnamic acids in Astragalus glycyphyllus L. was determined. Results. It was found that all the studied extracts from the herb Astragalus glycyphyllus L. have antioxidant activity, but their values are different depending on the used extractant. In this case, a consistent pattern is observed between the content in the extraction of phenolic compounds (hydroxycinnamic acids and flavonoids) and the magnitude of antioxidant activity. Conclusions. As a result of the conducted research, the total antioxidant activity of extracts from the herb Astragalus glycyphyllus L. was established. Its value was found to be related to the content of phenolic compounds in the plant by a positive correlation. The obtained data indicate the promising use of the herb Astragalus glycyphyllus L. as a source of natural antioxidants. · Keywords: Astragalus glycyphyllus L.; antioxidant activity; flavonoids; hydroxycinnamic acids; free radicals.


2018 ◽  
Vol 13 (9) ◽  
pp. 1934578X1801300 ◽  
Author(s):  
Stefano Luneia ◽  
Riccardo Zannoli ◽  
Marco Farchioni ◽  
Michele Sensidoni ◽  
Roberto Luneia

Legumes are very rich in phytochemicals and in particular isoflavones. In this work we have developed techniques to get the brewing craft beers made with the addition of Umbrian legumes (chickling and lentils), to verify if the healthy and nutritional characteristic of these product change. The results obtained show that probably during the processes of cooking and fermentation a transfer of the biologically active substances from the “special ingredients” to the finished beer takes place. From healthy and nutritional characterization of the beers important results emerged: an interesting mineral profile and a large content of molecules with antioxidant activity like phenolic compounds (350–630 mg/L). It should also be noted that within the group of phenolic compounds present in these beers were also found interesting amount of isoflavones in particular genistin and daidzin, which in addition to being powerful antioxidants have other beneficial effects and therefore can act in the prevention of cancer, inflammatory, cardiovascular, postmenopausal, cognitive, and immune diseases.


2020 ◽  
Author(s):  
Mariia Nagalievska ◽  
Mariya Sabadashka ◽  
Nataliia Sybirna

Phytochemicals derived from different plants are promising therapeutic agents. Herbal compounds can be used under diseases, etiological causes of which are alterations of carbohydrate, protein, and lipid metabolisms, along with increased oxidative stress and chronic low-grade inflammation. Potential sources of biologically active substances may be grape wine, rich in phenolic compounds. Well-studied examples of polyphenols are phenolic acids, catechins, anthocyanins, and flavonoids, etc. Another source of biologically active compounds is yacon (Smallanthus sonchifolius Poepp. & Endl.). The aboveground part of yacon is rich in phenolic compounds and terpenes. Main biologically active substances from tuberous roots of yacon are fructooligosaccharides and phenolic compounds. The section will be devoted to the analysis of hypoglycemic and antioxidant effects, and molecular targets of the complex of biologically active substances derived from red wine and yacon.


2021 ◽  
Vol 3 (3(59)) ◽  
pp. 14-18
Author(s):  
Anna Krvavych ◽  
Roksolana Konechna

The object of this research is the herb Adonis vernalis and hydroalcoholic extracts obtained on its basis. By the nature of the action, the drugs Adonis vernalis belong to the group of cardiac glycosides and occupy an intermediate place between strophanthin and digitalis. In official medicine, biologically active compounds of Adonis vernalis are included in drugs such as Cardiovalen, Adonis-bromine, Caridiolin and Cardiophyte. In the extemporal formulation, the extract is part of the Bechterew’s medicine. Until recently, scientists have made significant progress in studying the phytochemical and pharmacological action of the herb Adonis vernalis. However, one should not be limited to the use of Adonis vernalis only for stimulating cardiac activity, one should also consider the promising antioxidant effect of flavonoids and phenolic compounds that are contained in this medicinal plant. Also, studies of the extraction conditions of the herb Adonis vernalis are not described in the scientific literature. The study carried out the extraction of the grass Adonis vernalis by various methods (static and dynamic). The type of extract was chosen as the most rational, which provides the maximum yield of extractives (phenolic compounds and cardiac glycosides). For this, the optimal extraction conditions were selected, namely, the particle size, the type of extractant, the value of the hydromodule and the extraction method. Accordingly, the optimal particle diameter for maximum extraction of biologically active substances of the herb Adonis vernalis is 2.5 mm, the optimal extractant is 70 % ethyl alcohol, the ratio of raw materials: extractant is 1:10, the optimal extraction method is maceration with constant stirring. Phytochemical studies of the quantitative composition of the main groups of biologically active substances were carried out using calorimetric and spectrophotometric methods of analysis. As a result of the optimization of the process and its introduction into production on an industrial scale, the value added effect will be achieved. And also a high-quality product has been created that will compete with broad-spectrum drugs already existing on the market.


2021 ◽  
Vol 4 (1) ◽  
pp. 126-130
Author(s):  
V. R. Hamada ◽  

This article shows the possibility of using a biotechnological method to obtain biologically active compounds based on in vitro cultivation of callus cultures. The callus biomass of Adonis vernalis was obtained in vitro by using the biotechnological method. The extracts based on callus biomass of Adonis vernalis were obtained. The content of flavonoids and phenolic compounds was determined. The antioxidant activity of callus biomass of Adonis vernalis has also been studied. The research results show that the content of biologically active substances and biological activity in callus biomass does not differ from plant raw materials.


2020 ◽  
pp. 52-58
Author(s):  
O. V. Demeshko ◽  
S. V. Romanova ◽  
V. V. Kovalyov ◽  
I. I. Batiuchenko

Catalpa bignonioides Walt. (catalpa) the family Bignoniaceae – a tree, which originates from North America. Catalpa bark contains resins and tannins. Monoterpene glycosides were found in the leaf. Catalpa seeds contain up to 30% of eleostearic acid. Decoctions are made of the bark of the tree. They serve as a gastric agent and have an anthelmintic effect. Decoction of the bark exhibits bronchodilator action, is used in the complex treatment of cancer. The leaves are used to treat skin diseases. The infusion of fruits has anti-herpetic and hypoglycemic properties. The aim of the work is to investigate biologically active compounds of the leaves of catalpa bignini. The object of the study was the leaves of common catalpa harvested in the summer of 2018 in Sevastopol. Chemical identification reactions and methods of chromatographic analysis were used to determine the major groups of biologically active substances of the leaves of the catalpa (chromatographic paper Filtrak FN No. 4, Munktell, Czech Republic). Chromatography was performed in pre-selected solvent systems: n-butanol‒acetic acid‒water (BAW) (4:1:2) ‒ I direction and 15% acetic acid ‒ II direction. Identification reactions were performed with aqueous and aqueous-alcoholic extracts of catalpa leaves. The qualitative composition of the phenolic compounds was investigated by paper chromatography. The content of the sum of phenolic compounds, hydroxycyclic acids and flavonoids was determined by the spectrophotometric method. Based on the held reactions and chromatographic analysis, by the characteristic fluorescence in the filtered UV light before and after treatment with chromogenic reagents and the values of Rf in the raw material the presence of the following groups of biologically active substances were determined: flavonoids, phenol glycosides, hydroxycoric acids. According to the chromatographic analysis, at least 9 substances of phenolic nature have been detected in the alcohol-aqueous extracts. For the first time, the presence of the following groups of biologically active substances: hydroxycoric acids, phenologic glycosides, flavonoids was determined in the leaves of catalpa. Quantitative content of natural compounds in the leaves of common catalpa: the sum of phenolic compounds (4,76 ± 0,04%), of hydroxycoric acids (3,42 ± 0,02%), of flavonoids (1,88 ± 0,02%). The results of the study will be used in the development of the draft quality control methods for medicinal plant raw materials.


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