Bioactive compounds of Carlina acanthifolia All. roots obtained by fractional extraction and their 3D fluorescence spectra

Carlina acanthifolia All. is widely used in traditional medicine due to the presence of essential oil (1–2%) in the outer part of the roots of the plant. It is mainly used for its choleretic and anti-inflammatory properties, as well as for the treatment of gastrointestinal problems. We obtain the fr...

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Veröffentlicht in:Optical and quantum electronics 2024-07, Vol.56 (8), Article 1284
Hauptverfasser: Petkova, N., Ivanov, I., Saralieva, E., Georgieva, D., Nikolova, Kr, Eftimov, T., Gentscheva, G., Vladimirova–Mihaleva, L.
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container_issue 8
container_start_page
container_title Optical and quantum electronics
container_volume 56
creator Petkova, N.
Ivanov, I.
Saralieva, E.
Georgieva, D.
Nikolova, Kr
Eftimov, T.
Gentscheva, G.
Vladimirova–Mihaleva, L.
description Carlina acanthifolia All. is widely used in traditional medicine due to the presence of essential oil (1–2%) in the outer part of the roots of the plant. It is mainly used for its choleretic and anti-inflammatory properties, as well as for the treatment of gastrointestinal problems. We obtain the fractions by sequential extraction with different solvents (hexane, chloroform, ethyl acetate, and ethanol) from carline thistles ( Carlina acanthifolia All.) roots, evaluate the phytochemical compounds and for the first time, we report here the 3D fluorescence excitation-emission spectra. High extractable contents of fatty acids, terpenes, sterols, sugars and polyphenols, flavonoids and carlina oxide were found in the different fractional extracts of Carlina acanthifolia root. Three phenolic acids were detected in the ethyl acetate and n -hexane fraction, benzoic acid, phenylacetic acid, and p -methoxymadelic acid. In addition, fatty acids, pentacyclic triterpenes and sugars have been identified, these phytocomponents are responsible for the fluorescent properties of the roots. The topographic view of the excitation-emission matrix outlines a large strong first maximum ( λ e m , 1 = 570 nm for λ e x c , 1 = 470 nm) connected with the presence of vitamin E and fatty acids and a weaker narrower second one ( λ e m , 2 = 465 nm for λ e x c , 2 = 360 nm), witch is due to the presence of flavonoids, phenolic acids and palmitic acid. The emission spectrum of the main maximum is rather large at the 90% level ( δ λ e m , 1 = 60 nm) but is observed over a narrow excitation bandwidth ( δ λ e x m , 1 = 25 nm ). The Stokes shift Δ λ is around 100 nm over the excitation range from 430 to 560 nm. Seven elements—Ca, Fe, K, Mg, Mn, Na and Zn, were determined in Carlina acanthifolia All. as potassium has the highest content K = 32.7 ± 0.6 g kg - 1 followed by Ca, Mg and Fe ( 8.24 ± 0.12 ; 1.86 ± 0.03 ; 1.25 ± 0.01 g kg - 1 ) , in mg kg - 1 are Na = 212 ± 3 , Mn = 41.9 ± 0.2 and Zn = 26.7 ± 0.3 .
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The topographic view of the excitation-emission matrix outlines a large strong first maximum ( λ e m , 1 = 570 nm for λ e x c , 1 = 470 nm) connected with the presence of vitamin E and fatty acids and a weaker narrower second one ( λ e m , 2 = 465 nm for λ e x c , 2 = 360 nm), witch is due to the presence of flavonoids, phenolic acids and palmitic acid. The emission spectrum of the main maximum is rather large at the 90% level ( δ λ e m , 1 = 60 nm) but is observed over a narrow excitation bandwidth ( δ λ e x m , 1 = 25 nm ). The Stokes shift Δ λ is around 100 nm over the excitation range from 430 to 560 nm. 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It is mainly used for its choleretic and anti-inflammatory properties, as well as for the treatment of gastrointestinal problems. We obtain the fractions by sequential extraction with different solvents (hexane, chloroform, ethyl acetate, and ethanol) from carline thistles ( Carlina acanthifolia All.) roots, evaluate the phytochemical compounds and for the first time, we report here the 3D fluorescence excitation-emission spectra. High extractable contents of fatty acids, terpenes, sterols, sugars and polyphenols, flavonoids and carlina oxide were found in the different fractional extracts of Carlina acanthifolia root. Three phenolic acids were detected in the ethyl acetate and n -hexane fraction, benzoic acid, phenylacetic acid, and p -methoxymadelic acid. In addition, fatty acids, pentacyclic triterpenes and sugars have been identified, these phytocomponents are responsible for the fluorescent properties of the roots. The topographic view of the excitation-emission matrix outlines a large strong first maximum ( λ e m , 1 = 570 nm for λ e x c , 1 = 470 nm) connected with the presence of vitamin E and fatty acids and a weaker narrower second one ( λ e m , 2 = 465 nm for λ e x c , 2 = 360 nm), witch is due to the presence of flavonoids, phenolic acids and palmitic acid. The emission spectrum of the main maximum is rather large at the 90% level ( δ λ e m , 1 = 60 nm) but is observed over a narrow excitation bandwidth ( δ λ e x m , 1 = 25 nm ). The Stokes shift Δ λ is around 100 nm over the excitation range from 430 to 560 nm. Seven elements—Ca, Fe, K, Mg, Mn, Na and Zn, were determined in Carlina acanthifolia All. as potassium has the highest content K = 32.7 ± 0.6 g kg - 1 followed by Ca, Mg and Fe ( 8.24 ± 0.12 ; 1.86 ± 0.03 ; 1.25 ± 0.01 g kg - 1 ) , in mg kg - 1 are Na = 212 ± 3 , Mn = 41.9 ± 0.2 and Zn = 26.7 ± 0.3 .</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11082-024-07044-9</doi></addata></record>
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subjects Benzoic acid
Calcium
Characterization and Evaluation of Materials
Chloroform
Computer Communication Networks
Electrical Engineering
Emission spectra
Essential oils
Ethanol
Ethyl acetate
Excitation
Excitation spectra
Fatty acids
Flavonoids
Fluorescence
Fractions
Hexanes
Iron
Lasers
Optical Devices
Optics
Palmitic acid
Phenolic acids
Phenylacetic acid
Photonics
Physics
Physics and Astronomy
Plant roots
Polyphenols
Sterols
Sugar
Terpenes
Zinc
title Bioactive compounds of Carlina acanthifolia All. roots obtained by fractional extraction and their 3D fluorescence spectra
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