Relevant bibliographies by topics / Total phenol; flavonoid; antioxidant

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Total phenol; flavonoid; antioxidant'

Author: Grafiati
Published: 3 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Total phenol; flavonoid; antioxidant"

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Wahdaningsih, Sri, Shoma Rizkifani, Eka Kartika Untari, and William Rinaldi. "Effect of Drying Method on Levels of Antioxidant Activity, Total Flavonoid Levels, and Total Phenol Levels in Ethanol Extract of Bawang Dayak (Eleutherine americana) Leaves." Majalah Obat Tradisional 28, no. 1 (2023): 37. http://dx.doi.org/10.22146/mot.80085.

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The drying process can affect the content of seconder metabolites such as flavonoids and phenols in plants. The content of flavonoids and phenols plays an important role in the antioxidant activity of a plant. This study aims to determine the effect of drying methods using sunlight and oven on antioxidant activity, total flavonoids, and total phenols. Measurement of antioxidant activity using the DPPH method with vitamin C as a standard, total flavonoid levels using quercetin as a standard, and total phenol using gallic acid as a standard were measured using a UV-Vis spectrophotometer. The res
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Parwata, Adi, Putra Manuaba, and Sutirta Yasa. "The Potency of Flavonoid Compounds in water Extract Gyrinops Versteegii Leaves as Natural Antioxidants Sources." Biomedical and Pharmacology Journal 11, no. 3 (2018): 1501–11. http://dx.doi.org/10.13005/bpj/1517.

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Flavonoids can provide antioxidant effects by preventing the formation of ROS, directly capture ROS, protect lipophilic antioxidants and stimulate the increase of enzymatic antioxidants. Flavonoids are phenolic compounds that are widely found in medicinal plants, one of which is Gyrinops versteegii leaves. In this research to determine the potential of flavonoids in water extract Gyrinop versteegii as one source of natural antioxidants was investigated. This research begins with maceration of Gyrinops versteegii leaves with some solvents such as ethyl acetate, ethanol, methanol and water. Each
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Velickovic, Ivona, Slavica Grujic, and Petar Marin. "Antioxidant properties of Rubus discolor leaf extracts." Zbornik Matice srpske za prirodne nauke, no. 131 (2016): 189–96. http://dx.doi.org/10.2298/zmspn1631189v.

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In this work were examined aqueous, methanol, ethanol and acetone leaf extracts of Rubus discolor, wild growing blackberry, for their antioxidant properties and total phenol and flavonoid content. The total phenol content (TPC) varried from 250.05 to 446.61 mg GAE/g of dry extract, while total flavonoid content (TFC) was in range between 22.44 and 61.15 mg QE/g of dry extract. Aqueous extracts were the richest in phenols, as well as in flavonoids. In vitro antioxidant capacity of leaf extracts was evaluated by 2,2-diphenyl-1-picrylhydrazil (DPPH), 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic
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Sukardi, Sukardi, Noer Iqbal Arief Iqbal, and Sri Winarsih. "Kajian Antioksidan, Total Fenol & Total Flavonoid Jamu Selokarang yang diformulasi dengan Jinten Hitam (Nigella sativa)." Food Technology and Halal Science Journal 4, no. 1 (2021): 39–51. http://dx.doi.org/10.22219/fths.v4i1.15623.

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Abstrcact Jamu Selokarang is one of the traditional drinks originating from an area, namely Madura, the ingredients used in the manufacture of Jamu Selokarang are turmeric, ginger, ginger, betel leaf, soursop leaves, cloves, nutmeg, coriander, temu ireng and ginger. The ingredients used in the manufacture of herbal medicine selokarang contain a lot of antioxidants and essential oils. Testing is needed to determine the antioxidant activity contained in the herbal medicine selokarang. This study aims to determine the effect of substitution of jamu selokarang on antioxidant compounds, total pheno
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Fatmawati, Fatmawati, Eka Handayani Oktharina, Hisham Mulawarman, Sadakata Sinulingga, and Safyudin Safyudin. "Total Phenol, Flavonoid Content, and Antioxidant Activity of the Ethanol Fraction of Arcangelisia Flava Stem." Biomedical Journal of Indonesia 11, no. 2 (2025): 80–86. https://doi.org/10.32539/bji.v11i2.225.

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Introduction. Oxidative stress caused by an imbalance between reactive oxygen species (ROS) production and antioxidant defenses leads to various diseases. Arcangelisia flava, a medicinal plant, contains antioxidant-active phenols and flavonoids. This study evaluates the total phenol and flavonoid content and the antioxidant activity of the ethanol fraction of A. flava stem. Methods. An experimental study was conducted using 750 grams of A. flava stem. The sample underwent fractionation and was analyzed using Folin-Ciocalteu and AlCl3 methods to determine total phenol and flavonoid content. Ant
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Dalimunthe, A., D. Pertiwi, M. Muhmmad, V. E. Kaban, N. Nasri, and D. Satria. "The effect of extraction methods towards antioxidant activity of ethanol extract of Picria fel-terrae Lour. Herbs." IOP Conference Series: Earth and Environmental Science 1115, no. 1 (2022): 012040. http://dx.doi.org/10.1088/1755-1315/1115/1/012040.

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Abstract Antioxidants are molecules that can inhibit or prevent the oxidation reactions of other molecules that generate free radicals. Antioxidants can be synthesized in the body (endogenous) or obtained from food intake (exogenous). Modern pharmacological investigations show that the extract of Picria fel-terrae Lour. Herbs. Effective as an antioxidant because of the high content of flavonoids and phenols. This study aims to analyze the antioxidant activity, total phenol content and total flavonoid content in ethanol extract (EE). The powder was extracted by Soxhletation, percolation and ref
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Emelda, Andi, and Andi Trihadi Kusuma. "Antioxidant potential and determination of total phenolic and flavonoid content of Bugis ginseng (Talinum paniculatum Gaertn) leaf water extract." Research Journal of Chemistry and Environment 28, no. 5 (2024): 1–5. http://dx.doi.org/10.25303/285rjce0105.

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Bugis ginseng (Talinum paniculatum Gaertn.) leaves function as a traditional medicine to increase breast milk production, to increase appetite, to improve the immune system and as an antibacterial as we as medicine for ulcers. Flavonoids are phenolic compounds, one of the secondary metabolites in plants that function as antioxidants. This study aims to determine the total phenol content, total flavonoids and antioxidant activity of water extract of Bugis ginseng leaves. Quantitative determination of total phenols using the Folin-Ciocalteu method was expressed as gallic acid equivalent (GAE) pe
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Pratiwi, Ambar, and Rizkya Nuraini. "Comparison of antioxidant activity of fresh rose flowers (Rosa damascena Mill) and rose tea with different drying methods." BIO Web of Conferences 148 (2024): 04016. https://doi.org/10.1051/bioconf/202414804016.

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Rose tea (Rosa damascena Mill) is a natural source of antioxidants, containing compounds such as anthocyanins, phenols, and flavonoids. The production process of rose tea involves high temperatures, which can decrease antioxidant activity. This study aims to analyze the differences in antioxidant activity between fresh rose flowers and rose tea using various drying methods, determine the higher antioxidant activity between fresh and dried rose samples, identify the treatment that results in the highest phenol content, and the treatment that yields the highest flavonoid content. The antioxidant
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Anjani, Ratna, Henny Kasmawati, Yamin, and Nina Salamah. "ANTIOXIDANT ACTIVITY, TOTAL PHENOL, AND FLAVONOID CONTENT EXTRACTS AND FRACTIONS MANGO SEEDS (Mangifera indica L.)." Medical Sains : Jurnal Ilmiah Kefarmasian 9, no. 3 (2024): 621–32. http://dx.doi.org/10.37874/ms.v9i3.1196.

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Antioxidants can either stop or slow down the excessive oxidation of a compound. This study aimed to determine the secondary metabolite compounds, antioxidant activity, total flavonoid and phenolic levels, and the correlation between the levels of flavonoid and phenolic compounds in inhibiting free radicals. The DPPH (1,1-diphenyl-2-picrylhydrazyl) method was used to evaluate antioxidant activity. Determination of total flavonoid levels using a UV-Vis spectrophotometer and the aluminum chloride method. The total phenolic content was determined using the Folin-Ciocalteu method. Based on the res
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Noviyanti, Isye Martiani, Farid Perdana, and Rahmaniah. "Determination of total phenol and total flavonoid, and antioxidant activities of chocolate leaves (Zephyranthes candida (Lindl.) Herb.)." Bali Medical Journal 11, no. 2 (2022): 927–33. http://dx.doi.org/10.15562/bmj.v11i2.3420.

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Introduction: Zephyranthes candida plants or known as chocolate flowers are usually only used as ornamental plants, many people in Indonesia do not know that this plant has medicinal properties. The purpose of this study was to determine total phenol levels, and total flavonoids and determine the antioxidant activity of chocolate flower plants. Methods: This study was an experimental study using cacao flower leaves, ethanol, aqua dest, ABTS, gallic acid, quercetin, AlCl3, Folin-Ciocalteu reagent, Na2CO3, FeCl3, sodium acetate, and Vitamin C. Samples of cacao flower leaves (Zephyranthes candida
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Dissertations / Theses on the topic "Total phenol; flavonoid; antioxidant"

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Barut, Burak. "Antioxidant Capacities Of Selected Fruits And Herbal Teas Consumed In Regular Diet And Their Antimicrobial Activities Against Staphylococcus Aureus." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12612999/index.pdf.

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Staphylococcus aureus is one of the major causes of food-borne pathogenesis. Antibiotic consumption for these pathogens has been increasing year by year world-wide. In order to decrease the use of synthetic antibiotics, fresh fruits and dry herbs consumed as beverages in regular diets were examined as potential natural antibiotics for the treatment of food based infections against Staphylococcus aureus. Herbs consumed as tea infusions including Pimpinella anisum L. (anise), Anthemis arvensis L. (camomile), Rosa canina L. (rosehip), Salvia fruticosa Mill (sage) and fresh fruit juices including
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Herrera-Calderon, Oscar, Jorge Arroyo-Acevedo, Juan Rojas-Armas, et al. "Phytochemical Screening, Total Phenolic Content, Antioxidant and Cytotoxic Activity of Chromolaena laevigata on Human Tumor Cell Lines." SCIENCEDOMAIN international, 2017. http://hdl.handle.net/10757/622501.

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Aims: Cancer is the first cause of death in the Peruvian population; searching alternative treatments of medicinal plants constitute a promissory field to find new anticancer drugs. The main objective in this study was to evaluate the phytochemical screening, total phenolic content, antioxidant and cytotoxic activity of ethanol extract of Chromolaena laevigata (C. laevigata) on human tumor cell lines. Study Design: The fresh leaves of C. laevigata were soaked with ethanol followed by phytochemical screening using standard methods. Place and Duration of Study: Laboratory of Applied Chemistry, F
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Ramborger, Bruna Piaia. "Fitorremediação do 2,4-diclorofenoxiacético (2,4-d) pelo Plectranthus neochilus." Universidade Federal do Pampa, 2017. http://dspace.unipampa.edu.br:8080/xmlui/handle/riu/1550.

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Submitted by Marcos Anselmo (marcos.anselmo@unipampa.edu.br) on 2017-06-05T13:30:10Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) BRUNA PIAIA RAMBORGER.pdf: 1379039 bytes, checksum: 750df4846ea9e6b47021886f60adead4 (MD5)<br>Approved for entry into archive by Marcos Anselmo (marcos.anselmo@unipampa.edu.br) on 2017-06-05T13:30:25Z (GMT) No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) BRUNA PIAIA RAMBORGER.pdf: 1379039 bytes, checksum: 750df4846ea9e6b47021886f60adead4 (MD5)<br>Made available in D
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Serem, June Cheptoo. "An exploratory investigation into the physicochemical, antioxidant and cellular effects of a selection of honey samples from the Southern African region." Diss., University of Pretoria, 2011. http://hdl.handle.net/2263/24881.

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The unique floral biodiversity of Southern Africa would be reflected in the phenolic acid and flavonoid composition as well as the antioxidant activity of honeys from this region. In this exploratory investigation the total polyphenolic (TPC) and flavonoid (TFC) content, antioxidant activity as well as the cellular protective effects of a selection of honeys collected in this region was evaluated. Thirteen honey samples representative of the Western Cape (WCa, WCb and WCc), Eastern Cape (ECa, ECb and ECc), South East Mozambique (SEMa, SEMb and SEMc) and Agricultural: A-E (Eucalyptus) (A-E1 and
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Silva, Polyana Barbosa da. "Qualidade, compostos bioativos e atividade antioxidante de frutos de Physalis sp." Universidade Federal da Paraí­ba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/4065.

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Made available in DSpace on 2015-04-17T14:49:34Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1706198 bytes, checksum: c4915bca3b40ed2428eea9f96a37d654 (MD5) Previous issue date: 2013-07-30<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Physalis ou golden berry, genus of the Solanaceae family, is widely distributed throughout North and Northeast of Brazil. Known as Canapu, Camapum, Joá-de-capote, among other popular names, occurs spontaneous, needing studies on quality of fruits. Therefore, this study aimed to evaluate the quality, bioactive compounds, and antio
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Dias, Daiane. "Mecanismo reacional de etanotiol em eletrodo de ouro e seu comportamento em sistemas redox." Universidade Federal de Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/4229.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Sulphur compounds can interfere with product quality of the wine, since they have a characteristic undesirable odor. The ethanethiol is considered an interesting compound from the electrochemical point of view, since it can become oxidized or reduced and thus, it can be studied both on polarized electrode surfaces and redox solutions. Therefore, the present work was divided in the study of reaction mechanism of ethanethiol on polarized electrode (gold electrode) and the study of the ethanethiol behavior in the redox system i
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Albitar, Nsren. "Etude comparative des procédés de séchage couplés à la texturation par Détente Instantanée Contrôlée DIC, en termes de cinétique et de qualité nutritionnelle. Applications à la valorisation des déchets agro-industriels." Phd thesis, Université de La Rochelle, 2010. http://tel.archives-ouvertes.fr/tel-00567220.

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Dans le cadre de la présente thèse, a été étudié l'impact de la texturation par traitement thermo-mécanique DIC (Détente Instantanée Contrôlée) sur le séchage de divers produits alimentaires. Ce prétraitement a induit une amélioration de la cinétique de l'opération de séchage quand elle est limitée par le transfert interne de la matière couplé au rétrécissement du produit. Ainsi, la diminution du temps de séchage a atteint 67% dans le cas de l'oignon et 77% dans le cas du cassis. Quant à la diffusivité effective Deff, elle a augmenté par rapport à la matière première jusqu'à 246% pour les pépi
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Pan, Sue-Yu, and 潘書毓. "The Total Phenol and Antioxidant Properties in Taiwanese Yams and The Effects of Processing." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/83707294827394300181.

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碩士<br>中國文化大學<br>生活應用科學研究所<br>91<br>Browning is commonly observed in cut surfaces of yams. Tubers of some varieties are more sensitive to browning than others. It is a great deal of interest in which parameters are responsible for browning. This study was undertaken to attain the following aims: (1) to evaluate the influences of total phenol and of the activities of polyphenol oxidase (PPO) in fourteen cultivars of Taiwanese yams on browning; (2) to determine the antioxidant properties in these yam tubers; (3) to investigate the effect of food processing on total phenol retention and on anti
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Books on the topic "Total phenol; flavonoid; antioxidant"

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Adamchuk, Leonora, Ján Brindza, and Kateryna Lypko. Honey drinks. Slovenská poľnohospodárska univerzita v Nitre, 2020. http://dx.doi.org/10.15414/2020.9788055222769.

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Honey as a multi-component substance made by honey bees is a carbohydrate source and contains flavonoid compounds that act as antioxidants and may have ergogenic properties. As an ancient activity in Ukraine, using honey in the production of honey drinks has a long and varied history. Despite its very long tradition, only a few honey drink recipes have been preserved, so this study aims at valorizing honey-based beverages from Ukraine. Honey use in the nonalcoholic and alcoholic beverage category is diverse, performing flavor, functional, and wellness roles. Moreover, some of the accessed phys
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Book chapters on the topic "Total phenol; flavonoid; antioxidant"

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Azizi, Nadjat, Yazid Mahdaoui, Hana Zakkoumi, et al. "Investigation of Total Phenolic and Flavonoid Contents and Antioxidant Activity of Four Hyacinthaceae Species (Asparagales) from Northern Algeria." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (4th Edition). Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-51904-8_116.

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Londonkar, Ramesh, and Maithilee Kesralikar. "In Vitro Anticancer Screening of Methanolic Extract of Stachytarpheta Mutabilis." In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022). Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_19.

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AbstractIn therapeutic plants, phytochemicals are found in abundance. A family of verbena known as vervain (verbenaceae) consists of over 100 genera and nearly 2600 species. Among the Verbenaceae family is Stachytarpheta, a green perennial herb. The species is being examined in this study for its phytochemical, antioxidant, and anti-inflammatory properties. Stachytarpheta mutabilis methanol extracts were studied for their phytochemical screening, antimicrobial, anti-inflammatory, and anticancerous effects in the current study. Phytochemical study revealed the presence of alkaloids, flavonoids,
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Fahrudin, Fahmi Ilman, Pilairuk Intipunya, Suphat Phongthai, and Tri Indrarini Wirjantoro. "Screening of Antioxidant Activity, Total Phenolics, and Flavonoid on Selected Northern Thailand Medicinal Rhizomes." In Proceedings of the 8th International Conference of Food, Agriculture and Natural Resources & the 2nd International Conference of Sustainable Industrial Agriculture (IC-FANRes-IC-SIA 2023). Atlantis Press International BV, 2024. http://dx.doi.org/10.2991/978-94-6463-451-8_21.

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Razila, Anuar, and Siti S. Ramli. "Optimisation of Mangosteen Peel Extracts (Garcinia mangostana L.) on Total Flavonoid Content Using Response Surface Methodology (RSM) and Its Antioxidant Activities." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9505-9_33.

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Fu, Yu, Kexin Zhang, Junhao Yao, et al. "Effects of Steaming Treatment on the Effective Components and Efficacy in Vitro of Ginseng Flowers." In Studies in Health Technology and Informatics. IOS Press, 2023. http://dx.doi.org/10.3233/shti230910.

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The effective composition, antioxidant, enzyme inhibition and bile binding ability of Ginseng flowers after different steaming times were studied. The results showed that different steaming times affected the effective components of ginseng flower, the content of polysaccharide and total saponins reached the highest when steaming for 5 times, the total flavonoids and phenol increased with the times of steaming. Steaming treatment significantly induced the ability of antioxidant and inhibition of α-amylase; but reduced the inhibition of α-glucosidase and cholate binding ability. Steaming treatm
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Radulescu, Cristiana, Lavinia Claudia Buruleanu, Radu Lucian Olteanu, et al. "Grape by-Products: Potential Sources of Phenolic Compounds for Novel Functional Foods." In Food Science and Nutrition. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.113386.

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Grapes occupy an important position in the human diet, providing both macronutrients and micronutrients indispensable for growth and development. Grapes contain enzymatic and non-enzymatic (nutritional) antioxidants, such as ascorbic acid and bioflavones. High amounts of these valuable compounds are removed through processing, when the skin and the seeds are separated from the pulp. During the vinification process, a large amount of grape pomace is generated that constitutes an important source of value-added products such as phenolic compounds, mainly flavonoids, phenolic acids, and stilbenes
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Hussain Shah, Monis, Rizwan Rafique, Tanzila Rafique, Mehwish Naseer, Uzman Khalil, and Rehan Rafique. "Effect of Climate Change on Polyphenols Accumulation in Grapevine." In Phenolic Compounds - Chemistry, Synthesis, Diversity, Non-Conventional Industrial, Pharmaceutical and Therapeutic Applications. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.99779.

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Phenolics compounds in grapes contribute to berry and must color, organoleptic properties, nutritional value, antioxidant properties and provide protection against environmental challenges. Climate change has place mammoth challenges for the viticulture industry in different viticulture regions. Environmental variables determine to the greater extent, suitable grapes varieties for fresh as well as premium quality wine production. Grape berry composition is particularly affected by heat, drought, and intensity of solar irradiation. It is expected that climatic extremes will have an adverse effe
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Resool Hussein, Malik Yahia Abdul, Narender Malothu, and Haritha Lanka. "Phytochemical Study, in Vitro Antioxidant and Antidiabetic Activity of Methonalic Leaf Extract of Linderina Parviflora." In Current Trends in Drug Discovery, Development and Delivery (CTD4-2022). Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/9781837671090-00656.

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In a general context, the significance of a number of medicinal plants has been investigated in the treatment of diabetes mellitus. In this regard, to establish the anti-diabetic potential of Linderina Parviflora, one of the medicinal herbs this study was initiated. The main objective of the study was to evaluate the in vitro anti-oxidant and anti-diabetic activity of methanolic extracts of Linderina Parviflora leaves. During screening for phytochemicals the total phenolic and flavonoid content was estimated. In vitro antidiabetic activity was assessed by α-glucosidase and α-amylase inhibitory
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"Olive Leaves grown in Aydın, Türkiye: Total Phenolic and Flavonoid Contents and Antioxidant Activity." In NEW FRONTIERS IN AGRICULTURE, FOREST AND WATER ISSUES. DUVAR PUBLISHING, 2023. http://dx.doi.org/10.59287/nfafwi.823.

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Kumari, Sweta, Swati Manohar, Priyanjali Kumari, et al. "The Role of Major Phenolics in Apple to Total Antioxidant Capacity." In Apple Cultivation - Recent Advances [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109064.

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The naturally occurring phenolic compounds have received major attention in recent years as huge amounts of phenolic compounds can be extracted from fruits, vegetables and beverages that have substantial health benefits. From a physiological and metabolic aspect, phenolic compounds are vital in defence responses, such as anti-ageing, anti-inflammatory, anti-oxidant and anti-proliferative, anti-bacterial, anti-hyperlipidemic, anti-cancer, anti-diabetic, neuroprotective, cardioprotective activities. Among the fruits having a higher content of phenolic compounds, the apple (Malus Domestica) is th
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Conference papers on the topic "Total phenol; flavonoid; antioxidant"

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Popovici, Lucia-Florina, and Simona Oancea. "COMPARATIVE STUDY ON PHENOLICS, FLAVONOIDS, TANNINS AND ANTIOXIDANT PROPERTIES OF CALENDULA OFFICINALIS EXTRACTS OBTAINED BY DIFFERENT EXTRACTION TECHNIQUES." In SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/6.1/s25.21.

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The aim of this study was to evaluate the influence of several extraction methods on the content of bioactive compounds of polyphenolic structure and antioxidant properties of petals from marigold flowers (Calendula officinalis). Ethanolic extracts prepared using maceration, turbo-extraction and bead-beating techniques were investigated for total phenolics, flavonoids and tannins, and antioxidant activities as measured by FRAP and DPPH assays, as well. The results showed that the highest phenolic content (1316.367 � 4.316 mg GAE/100 g DW) and antioxidant activity by FRAP (505.755 � 4.623 mg as
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Ali, Nurdin, Syarizal Fonna, Yumaidi Saputra, and Joli Supardi. "Phytochemical Analysis and Antioxidant Properties of <i>Syzygium cumini </i>Fruit as a Corrosion Inhibitor." In The 2nd International Conferences on Applied Engineering, Science, Technology and Innovation. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-d9oud2.

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Syzygium cumini is a plant belonging to the Myrtaceae family and is widely used in medicine and food. However, its application in the engineering field is still very minimal, particularly as an anti-corrosion material. There are also limited studies on the quantitative screening of phytochemical and bioactivity of S. cumini. Therefore, this study aims to analyze the chemical compounds of S. cumini fruit as a corrosion inhibitor as well as determine total tannin (TTC) and flavonoid (TFC) content. The extraction process was carried out with a soxhlet extractor using 96% ethanol solvent. Characte
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Todorović, Jovana D., Aleksandra D. Vesić, Nevena N. Petrović, and Marijana M. Kosanić. "Edible mushrooms as promising antioxidants." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.300t.

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Antioxidant activity of the acetone extracts of the mushrooms Macrolepiota procera and Chlorophyllum rhacodes has been screened in vitro by using different methods (DPPH radical scavenging and reducing power assay), and also it has been determined the total phenolic compounds as total flavonoid content. The research findings indicate that the acetone extract of M. procera demonstrated superior antioxidant activities when compared to C. rhacodes. Similarly, the mushroom M. procera displayed a more pronounced effect on reducing power. In addition, the total content of phenol and flavonoid in ext
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Djelić, Gorica, Vesna Veličković, and Milica Pavlović. "SESELI RIGIDUM WALDST. & KIT: SECONDARY METABOLITES AND ANTIOXIDANT ACTIVITY OF METHANOL, ETHYL ACETATE AND ACETONE EXTRACTS." In 2nd International Symposium on Biotechnology. University of Kragujevac, Faculty of Agronomy, 2024. http://dx.doi.org/10.46793/sbt29.34gdj.

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Representatives of the Seseli genus are recognized for their biological activities. The objective of this study was to analyze the phenolic and flavonoid content, along with the antioxidant effects, of methanol, ethyl acetate, and acetone extracts obtained from the roots, leaves, stems, and fruits of S. rigidum. Through spectrophotometric measurements of phenols and flavonoids, the results revealed that the polar (methanol) solvent extract from the leaves exhibited the highest concentrations of phenols (98.66 ± 2.64 mg GA/g) and flavonoids (20.74 ± 0.55 mg RU/g), surpassing those obtained from
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Widyawaty, Loudfy Eka, I. Nyoman Ehrich Lister, and Sukirman Lie. "Antioxidant Activity, Total Phenol, and Total Flavonoid of Syzygium Polyanthum." In 2021 IEEE International Conference on Health, Instrumentation & Measurement, and Natural Sciences (InHeNce). IEEE, 2021. http://dx.doi.org/10.1109/inhence52833.2021.9537187.

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Matić, Jovana, Nevena Petrović, and Marijana Kosanić. "ANTIMICROBIAL AND ANTIOXIDANT PROPERTIES OF THE METHANOLIC EXTRACT OF THE EDIBLE MUSHROOM XEROCOMUS SUBTOMENTOSUS." In 3rd International Symposium on Biotechnology. University of Kragujevac, Faculty of Agronomy in Čačak, 2025. https://doi.org/10.46793/sbt30.72jm.

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This study investigates the antimicrobial and antioxidant potential of methanolic extract of mushroom Xerocomus subtomentosus. The antimicrobial potential was assessed by microdilution method (MIC values ranged from 5 to 40 mg/mL). Antioxidant activity was evaluated using DPPH, ABTS and reducing power assays, alongside total phenol and flavonoid content measurements. The extract demonstrated strong antioxidant potential (IC50: 80.842 μg/mL for DPPH, 6.587 μg/mL for ABTS, while absorbance for reducing power ranged from 0.380 to 1.168). Total phenolics and flavonoids were 40.439 μg PE/mg and 3.8
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Sovrlić, Miroslav, Nedeljko Manojlović, Marijana Kosanić, Aleksandar Kočović, Jovica Tomović, and Perica Vasiljević. "Lichenochemical analysis and in vitro antioxidant activity of extracts and gyrophoric acid from lichen Umbilicaria grisea." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.515s.

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This research investigates the chemical composition, total phenolic and flavonoid content, and antioxidant activity of acetone, methanol, and ethanol extracts of the lichen Umbilicaria grisea, and its major secondary metabolite, gyrophoric acid. The extracts were analyzed using high-performance liquid chromatography (HPLC-UV) and spectrophotometric assays. The results showed significant levels of phenolic compounds and flavonoids, which contribute to the lichen’s antioxidant potential. The antioxidant activity was evaluated using in vitro assays such as DPPH and ABTS radical scavenging activit
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Rodríguez-Ramírez, Juan, Irene Chaparro-Hernández, Lilia L. Méndez-Lagunas, and Luis Gerardo Barriada-Bernal. "Effect of spray drying conditions on antioxidants activity, flavonoids and total phenolic compounds of stevia rebaudiana." In 21st International Drying Symposium. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7518.

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In this work the spray drying of the fresh stevia leaves aqueous extract without encapsulating agents was carried out. The effect of the inlet air temperature (160-200 ºC) and the feed flow rate (2-3 kg/h) on the total phenolic content, the total flavonoid content and the antioxidant capacity were evaluated using Folin-Ciocalteau, aluminum chloride and DPPH methods respectively. The inlet air temperature had a significant effect on all parameters evaluated that showed a decrease when increasing the inlet air temperature, the feed flow rate had a significant effect on total flavonoids content a
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Adrian, Rony Abdi Syahputra, Sukirman Lie, Steven Theo, and Sony Eka Nugraha. "Antioxidant, Total Phenol, Total Flavonoid, and LC-MS/MS Analysis of Pometia Pinnata Ethanol Extract." In 2021 IEEE International Conference on Health, Instrumentation & Measurement, and Natural Sciences (InHeNce). IEEE, 2021. http://dx.doi.org/10.1109/inhence52833.2021.9537214.

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Djelic, Gorica, Milica Pavlović, Snežana Branković, Duško Brković, Zoran Simić, and Vesna Veličković. "CONTRIBUTION TO THE KNOWLEDGE OF THE ANTIOXIDANT POWER, PHENOLIC AND MINERAL COMPOSITION OF SANGUISORBA MINOR SCOP." In 1st International Symposium on Biotechnology. University of Kragujevac, Faculty of Agronomy, 2023. http://dx.doi.org/10.46793/sbt28.305dj.

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In this study, extracts of the aerial partsof Sanguisorba minorScop. wereanalysed for antioxidant activity, quantification of the total phenolic and flavonoid and bioaccumulation potential of heavy metals.The total phenols amounts was the highest at acetone´sextracts of root (117.27 mg GAE /g dry weight), stem and leaf (133.61 mg GAE /g dry weight ) and flower (116.77 mg GAE /g dry weight) and total flavonoids acetone´sextractsof flower (50.69 mg RU/g). The highest DPPH-scavenging capacity had flower methanol extract 7.08 (IC50 µg/ml). The plant accumulates large amounts of Zn, Ni and Cu in th
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