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Academic literature on the topic 'Flavonoid and Aluminium chloride Complex'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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Journal articles on the topic "Flavonoid and Aluminium chloride Complex"

B, Aparna, and P. Hema B. "Preliminary Screening and Quantification of Flavonoids in Selected Seeds of Apiaceae by UV-Visible Spectrophotometry with Evaluation Study on Different Aluminium Chloride Complexation Reaction." Indian Journal of Science and Technology 15, no. 18 (2022): 857–68. https://doi.org/10.17485/IJST/v15i18.131.

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Abstract <strong>Background :</strong> The objective of the study includes a preliminary phytochemical screening of selected plant seeds of Apiaceae for flavonoid content and developing a suitable method of quantification by a UV-Visible spectrophotometer and validation of the same. <strong>Methods:</strong> Selected dry seeds of Apiaceae were extracted using 70% ethanol at 60◦C for 1h in the shaker. Procedures of different chemical compositions were designed to evaluate flavonoid-Aluminium chloride complexation reaction to determine the best suitable method for the quantificati

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Курдюков (Kurdyukov), Евгений (Evgeniy) Евгеньевич (Evgenievich), Анна (Anna) Викторовна (Viktorovna) Кузнецова (Kuznetsova), Елена (Elena) Федоровна (Fedorovna) Семенова (Semenova), and Инесса (Inessa) Яковлевна (Yakovlevna) Моисеева (Moiseevа). "APPROACH TO STEVIA STANDARDIZATION AS PERSPECTIVE MEDICINAL PLANT: EVALUATION OF STEVIA LEAVES FLAVONOID CONTENTS." chemistry of plant raw material, no. 1 (March 6, 2019): 217–24. http://dx.doi.org/10.14258/jcprm.2019014067.

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Stevia rebaudiana bertolli traditionally used as a sweetener has many pharmacological activities. The objects of the study were stevia leaves grown in the several districts of Russia. Together with sweet glycosides flavonoids can be a marker of stevia quality. Flavonoids from dry stevia leaves were extracted with ethanol-water solutions. The results show that the flavonoid content higher in 40 and 70% ethanol extracts. UV properties of stevia extracts were investigated. Absorption maxima at 300 and shoulder at 290 nm in stevia extracts are revealed. Chemical structures of stevia flavonoids are

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Syahputra, Hafid. "Phytochemical Screening and Determination of Phenolic and Flavonoid Contents in Ethanol Extract of Phyllanthus emblica L. Fruit." Indonesian Journal of Pharmaceutical and Clinical Research 7, no. 2 (2024): 70–77. https://doi.org/10.32734/idjpcr.v7i2.18235.

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Phyllanthus emblica L. fruit is known for its potent antioxidant activity, closely associated with its phenolic and flavonoid content. This study aims to analyse the secondary metabolite composition and determine the total phenol and flavonoid levels in Phyllanthus emblica fruit. The extraction process was carried out using the maceration method with 96% ethanol as the solvent, followed by a rotary evaporator evaporation. The ethanol extract was subjected to phytochemical screening with colour reagents, and the total phenol and flavonoid contents were assessed using a colourimetric method. The

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Sultana, Sharmin, Ivan Lozada Lawag, Lee Yong Lim, Kevin J. Foster, and Cornelia Locher. "A Critical Exploration of the Total Flavonoid Content Assay for Honey." Methods and Protocols 7, no. 6 (2024): 95. http://dx.doi.org/10.3390/mps7060095.

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This study critically investigates the aluminium chloride–based colorimetric determination of the total flavonoid content (TFC) of honey. Following a comprehensive review of the recent literature reporting the use of the assay in the determination of TFC in honey, 10 honeys of different botanical origins were investigated using the colorimetric method alongside an artificial honey that was used as a control. Using spiking experiments, this study demonstrates that the flavonoid concentrations commonly found in honey are too low for a direct measurement and thus some of the TFC data reported in

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Yamin, Ruslin, Mistriyani, et al. "Determination of total phenolic and flavonoid contents of jackfruit peel and in vitro antiradical test." Food Research 5, no. 1 (2020): 84–90. http://dx.doi.org/10.26656/fr.2017.5(1).350.

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Free radical is any molecular species that have unpaired free electrons in their outer orbital shell that make radicals highly reactive, resulting in pathogenesis conditions such as cellular injury, premature aging, cancer, hepatic disorders, neurodegenerative diseases, cardiovascular disease, and kidney disease. One source of natural antioxidant is jackfruit. The purpose of this research was to determine the phenolic and flavonoid contents in the extracts and fractions of jackfruit peel and their potential as antioxidants. Jackfruit peel powder was extracted from maceration. The total phenoli

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Загорулько (Zagorulko), Елена (Elena) Юрьевна (Jur'evna), Мария (Marija) Георгиевна (Georgievna) Ожигова (Ozhigova), Ирина (Irina) Ивановна (Ivanovna) Чемесова (Chemesova), and Владимир (Vladimir) Геннадьевич (Gennad'evich) Лужанин (Luzhanin). "QUANTIFICATION OF TOTAL FLAVONOID CONTENT IN THE AERIAL PART AND IN THE TINCTURE OF IRIS LACTEA (IRIDACEAE)." chemistry of plant raw material, no. 2 (December 29, 2017): 105–13. http://dx.doi.org/10.14258/jcprm.2018023368.

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Iris lactea Pall.of Iridaceae Juss. family contains a complex of biologically active substances with antiviral, immunomodulatory, adaptogenic, antihypoxic, cardiostimulatory and antitumor properties, Thus, the herbal substance and dosage forms on its basis are promising in medicine.The main groups of active substances in the aerial part of Iris Lactea are flavonoids and xanthones. There is a known method of chromatospectrophotometric quantification of total xanthone content calculated as alpisarin. Meanwhile, the development of a convenient method of quantification of total flavonoid content i

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Zhuravel, U., R. Konechna, and І. Jasicka-Misiak. "Total phenolic and flavonoid content, antioxidant activity of thalictrum foetidum." Chemistry, Technology and Application of Substances 6, no. 1 (2023): 88–92. http://dx.doi.org/10.23939/ctas2023.01.088.

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The objective of the present study was to determine the total content of phenolics and flavonoids in extracts of Thalictrum foetidum. The total phenolic content was estimated spectrophotometrically using Folin Ciocalteu method. The total content of flavonoids was determined by spectrophotometric analysis, based on the measurement of the absorption of the complex of aluminum chloride with flavonoids. The antioxidant effects of the extracts Thalictrum foetidum were investigated.

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Z, Mukasa-Tebandeke, I., Karume, I, Ssebuwufu, J, Wasajja, H. Z, and Nankinga, R. M. "Comparison of Antioxidant, Flavonoid and Polyphenol Content of Three Selected Solanaceae Genera from Kigezi, Southwest Uganda." Scholars International Journal of Chemistry and Material Sciences 5, no. 4 (2022): 40–60. http://dx.doi.org/10.36348/sijcms.2022.v05i04.001.

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Solanaceae is family of plants widely used in food, sauce and herbal medicine because its members are rich in carbohydrates, proteins, fats, vitamins, mineral salts and other trace and essential nutrients like phenols and flavonoids that retard degenerative diseases and stress. Knowledge on purposeful use of solanaceae in food and medicine in Uganda is low. Aqueous extracts of dry leaves of three selected solanum genera growing in Kabale were compared for their polyphenol and flavonoid contents and antioxidant properties. Total polyphenol (TPC) and total flavonoid (TFC) contents were determine

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Nuralifah, Yamin, D. R. Halidi, M. Arba, and W. O. S. Zubaydah. "Determination of total phenolic and flavonoid content of Ghontoghe (Kleinhovia hospita L.) leaves: in vitro antioxidant study." Food Research 6, no. 6 (2022): 267–72. http://dx.doi.org/10.26656/fr.2017.6(6).440.

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The Ghontohge plant (Kleinhovia hospita L.) has been used as a traditional medicine to treat scurvy, lice, eye pain, jaundice and hepatitis, cholesterol, diabetes, hypertension and treat pneumonia. Therefore, it is possible that plants can be used as antioxidants and redox signalling sourced from natural materials. The purpose of this study was to investigate the antioxidant potential and evaluate the total phenolic and flavonoid content of Ghontoghe leaves and investigate the most potent fraction as an antioxidant from the extract and fractions of Ghontoghe leaves. Ghontoghe leaf powder was e

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Sen, Tatyana Vladimirovna, Valentina Nikolaevna Bubenchikova, and Ksenia Romanovna Bubenchikova. "DEVELOPMENT OF METHODS FOR QUALITATIVE IDENTIFICATION AND QUANTITATIVE DETERMINATION OF THE AMOUNT OF FLAVONOIDS IN THE HERB CORONILLA VARIA L. (CORONILLA VARIA L.)." chemistry of plant raw material, no. 2 (June 1, 2024): 237–44. https://doi.org/10.14258/jcprm.20240212647.

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Annotation. Coronilla varia is a perennial herbaceous plant, widely represented in the regions of the Central Black Earth Region, the Caucasus and Siberia. Various parts of the plant are used in folk medicine to treat diathesis, diarrhea, prolapse of the stomach, and as a cardiac and diuretic. The chemical composition of the herb elm variegated is not sufficiently studied. The poorly studied classes of biologically active substances of elm grass include flavonoid compounds. The aim of the work is to develop methods of qualitative identification and quantitative determination of flavonoids in t

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Conference papers on the topic "Flavonoid and Aluminium chloride Complex"

Nartea, Mihaela, Maria Cojocaru-Toma, Cristina Ciobanu, Anna Benea, and Maria Cristeva. "Total content of flavonoids in species of the genus heichrysum." In Scientific seminar with international participation "New frontiers in natural product chemistry". Institute of Chemistry, Republic of Moldova, 2023. http://dx.doi.org/10.19261/nfnpc.2023.ab20.

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The genus Helichrysum (Asteraceae) comprises about 600 species of perennial or annual plants distributed in Europe, Asia, and Africa, which are an abundant source of secondary metabolites, such as flavonoids, chalcones, phenolic acids, coumarins, pyrones, and terpenes [1]. In the Republic of Moldova only one species H. arenarium (L.) Moench-(popularly known as everlasting), occurs sporadically on the cliffs of the right bank of the Nistru River, in the landscape reserve "Climăuții de jos", in the Steppe Hills steppes, on the limestones of Naslavcea, with a declining population [2]. Another spe

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Wielage, B., Th Lampke, and H. Pokhmurska. "Improvement of the Corrosion Resistance of Magnesium Alloys by Means of Coating and Remelting." In ITSC2008, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2008. http://dx.doi.org/10.31399/asm.cp.itsc2008p1507.

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Abstract The implementation of magnesium alloys for automotive, aeronautic and other applications is of the great importance due to their especial properties. Magnesium offers greater weight saving capacity than aluminium, as its density, 1.7 g/cm-3, is two thirds the density of aluminium, 2.7 g/cm-3, without significant loss of strength and magnesium alloys show high specific strength. On the other hand surface properties of magnesium alloys like wear and corrosion resistance are rather poor. A large amount of methods are intensively elaborated to overcome this problem from developing of new

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