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81 results for “flavonoid”
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Research ArticleOpen accessIn the keywordsIdentification and Mode of Action of Antibacterial Components from Melastoma malabathricum Linn LeavesMourouge Saadi Alwash, Nazlina Ibrahim, Wan Yaacob AhmadThe present study aimed to assess the antibacterial activity of the methanol extract of Melastoma Malabathricum Leaves (MMML), active fraction of M. Malabathricum Leaves (ML5) and isolated kaempferol-3-O-(2",6"-di-O-p-trans-coumaroyl)-β-glucopyranoside (Kf) and to describe the preliminary mode of action against Gram-positive and Gram-negative bacteria. The MMML extract was fractionated by Vacuum Liquid Chromatography (VLC) to afford M. malabathricum Leaves fractions (ML1-ML6) of … …American Journal of Infectious Diseases, Vol. 9, Issue 2 · 18 Jun 2013 · 12,621 accessesView PDFCite
Research ArticleOpen accessIn the abstractCollection and Processing of Medicinal Raw Materials from Some Rare Plants in the Forest-Steppe Zone of Northern KazakhstanMarat Tynykulov, Svetlana Derbush, Marina Kuznetsova et al.Rare endemic plants of the forest-steppe zone of Northern Kazakhstan, including Adonis vernalis, Adonis wolgensis, Pulsatilla patens, and Pulsatilla multifida, represent valuable medicinal resources whose sustainable utilization requires optimized harvesting, processing, and conservation strategies. This study evaluated the effects of drying conditions, environmental factors, extraction techniques, and biotechnological approaches on the yield and quality of bioactive compounds from these species. … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 1 Apr 2026 · 1,595 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of Multifunctional Health Food Based on Smilax Glabra ExtractLiuzhou ZhangWith the increasing demand for health management, the development of functional foods based on natural plant extracts has received widespread attention. Due to its medicinal and edible properties, the Smilax glabra extract has become an ideal raw material for multifunctional health foods. Therefore, a new type of chewable tablet based on Smilax glabra extract is developed by optimizing the preparation … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 4 · 28 Feb 2026 · 1,744 accessesView PDFCite
Research ArticleOpen accessIn the abstractUnveiling the Potential of Dombeya buettneri K.Schum As a Drug Agent: Molecular Docking of Compounds With Enzymes Linked to Diabetes and Neurodegenerative DiseaseEsther Emem Nwanna, Samuel Chima Ugbaja et al.This study investigated the mechanisms of Dombeya buettneri (snowball leafy) extracts on diabetes, hypertension, and neurodegenerative diseases. It compared extracts obtained using steep water (a by-product of corn wet milling) and aqueous water. The extracts were analyzed for total phenol, total flavonoid content, antioxidant activities such as FRAP, ABTS, NO, DPPH, iron-induced lipid peroxidation assay, degradation of deoxyribose (Fenton’s reaction), … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 1 Feb 2026 · 2,025 accessesView PDFCite
Research ArticleOpen accessIn the abstractPhytochemical Composition, Antibacterial, and Antioxidant Properties of Foeniculum vulgare Essential OilSaif M. Dmour, Saqr Abushattal, Sultan Ayesh Mohammed Saghir et al.This study intended to inspect the phytochemical composition and bioactivity of Fennel (Foeniculum vulgare) Seed Essential Oil (FSEO) from Jordan. The EO was extracted via hydrodistillation from air-dried samples with 4.42% (v/w) yield. Twenty compounds, constituting around 98.5% of the EO were identified using Gas Chromatography-Mass Spectrometry (GC-MS). Estragole (47.15%) and Anethole (36.2%), appeared as predominant oxygenated monoterpenes compounds in … …OnLine Journal of Biological Sciences, Vol. 25, Issue 3 · 1 Aug 2025 · 4,638 accessesView PDFCite
Research ArticleOpen accessIn the abstractPhytochemical Content and Antioxidant Potential of Leaf Extract Berchermia discolour (Munie Tree) For Goats in The Limpopo Province, South AfricaMosima Molepo, Grace Manyelo, Busisiwe GunyaThe study aims to investigate the phytochemical content and antioxidant potential of leaf extract Berchermia discolour (Munie tree) for goats. Plant leaves were ground, and their powder was mixed with reagents and chemicals to attain the concentration level of phytochemicals and other bioactive compounds found in these plant's properties. Most of the phytoconstituents were present (shown by the change of … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 29 Mar 2025 · 5,357 accessesView PDFCite
Research ArticleOpen accessIn the abstractBotanical, Physicochemical, and Phytochemical Studies of Zanthoxylum zanthoxyloides (Lam.) Zepernick and Timler (Rutaceae) Stem and Root BarkLassané Ouédraogo, Aminata Pagnimdebsom Nacoulma et al.Zanthoxylum zanthoxyloides, a medicinal plant overexploited in Burkina Faso due to the use of its roots for therapeutic purposes has been studied and it seems that the profile of the powder from stem and root bark are almost similar. This study aims to compare the botanical, physicochemical, and phytochemical parameters of Z. zanthoxyloides powder from stem and root bark for … …American Journal of Applied Sciences, Vol. 21, Issue 1 · 9 Sep 2024 · 8,733 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimization of Preparation Procedures of Phlorizin-Zn (Ⅱ) Complex and Its Antioxidant Activity Study in vitroYuqing Zhang, Yaping Li, Guorui Yang et al.Flavonoid metal complexes possess more effective antioxidant properties than flavonoids. However, the preparation of the phlorizin-Zn (Ⅱ) complex and its antioxidant activity has not been reported. In this research, the preparation procedures of the phlorizin-Zn (Ⅱ) complex were enhanced using by single factor test and Response Surface Methodology (RSM). The optimal preparation procedures of the phlorizin-Zn (II) complex were as … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 4 · 3 Apr 2024 · 4,758 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntimicrobial Potential of Ethanol Extract from Some Plants Against Staphylococcus aureus and Pseudomonas aeruginosaFeskaharny Alamsjah, Anthoni Agustien et al.The number of reports of bacterial infections that are difficult to treat with antibiotics has led to the need for new alternatives for the treatment of resistant bacterial infections. One alternative is to utilize phytochemical bioactive compounds derived from natural ingredients which contain antimicrobial compounds. Some plants medicine from Sumatra island that should have potential as antimicrobials are the leaves … …OnLine Journal of Biological Sciences, Vol. 24, Issue 3 · 19 Mar 2024 · 6,890 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntibacterial Activity of Aqueous and Ethanol Extracts of Caesalpinia Sappan L. against Coagulase-Negative Staphylococci Isolated from Subclinical Bovine and Caprine MastitisDuangjai Boonkusol, Janejira Detraksa, Kansuda DuangsrikaewThis study aimed to investigate the effect of Caesalpinia sappan L. hearth wood extract against Coagulase-Negative Staphylococci (CNS) causing subclinical mastitis in dairy cows and goats. Seventeen and thirty CNS isolates were isolated from bovine and caprine mastitis samples, respectively. The phytochemicals tests performed on aqueous and ethanol extracts of C. sappan heartwood presented total phenolic (150 and 187 mg … …OnLine Journal of Biological Sciences, Vol. 22, Issue 2 · 30 May 2022 · 5,705 accessesView PDFCite