67 results for “flavonoids”

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Research ArticleOpen accessIn the keywordsRelation between Macroscopic Binding Constant and the Anticancer Efficacy of the Bovine Serum Albumin-Quercetin Complex against Drug-Sensitive and Drug-Resistant CellsWinit Choiprasert, Chatchanok Loetchutinat, Nathupakorn Dechsupa, Samlee MankhetkornProblem statement: We have previously analyzed the interaction of BSA with flavonoids by using FRET. In this study, the role of BSA on increasing in solubility and on carrying the quercetin derivatives thus enhanced their anticancer efficacy against drug-sensitive and drug-resistant cells were conducted. Approach: The macroscopic (KD) and microscopic (kd) binding constant of the complexation and the cellular partition … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 1 · 27 May 2011 · 8,292 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsAnti-Ulcer (Ulcer-Preventive) Activity of Ficus arnottiana Miq. (Moraceae) Leaf Methanolic ExtractMarslin Gregory, K. P. Vithalrao, G. Franklin, V. KalaichelavanProblem statement: In spite of being one of the well-known medicinal plants used in Indian traditional medicine to treat several ailments, studies pertaining to the pharmacological properties of Ficus arnottiana are very scarce. We studied the anti-ulcer activity and acute toxicity of Ficus arnottiana leaf methanolic extract for the first time. Approach: Freshly collected F. arnottiana leaves were dried, powdered … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 3 · 30 Sep 2009 · 9,329 accessesView PDF Cite

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 PDF Cite

Research ArticleOpen accessIn the keywordsProfiling of Phenolic Compounds of Somatic and Reproductive Tissues of Agave Durangensis Gentry (Agavaceae)Norma Almaraz-Abarca, Elí Amanda Delgado-Alvarado, Vicente Hernández-Vargas et al.Problem statement: In Durango, Mexico, mescal is elaborated from wild plants of Agave durangensis. This species shows a high morphological variability within and among populations, what makes its taxonomic delimitation a hard task. Approach: In this study the pollen and foliar phenolic compositions of Agave durangensis were analyzed by HPLC/DAD with the aim of determining the significance of phenol profiles … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 7,740 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsPollen Flavonoid/Phenolic Acid Composition of Four Species of Cactaceae and its Taxonomic SignificanceNorma Almaraz-Abarca, MarÍa G. Campos, Elí A. Delgado-Alvarado et al.The pollen flavonoid/phenolic acid composition of 14 individual of Stenocactus multicostatus subsp. zacatecasensis (Britton et Rose) U. Guzmán et Vázquez-Benitez, comb. et stat. nov., 11 of Echinocereus enneacanthus Engelmann, 8 of Echinocereus pectinatus (Scheidweiler) Engelmann and 12 of Mammillaria heyderi sensu lato (all belonging to Cactaceae) was analyzed by HPLC/DAD with the aim of determining the role of pollen profiles … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 8,450 accessesView PDF Cite

Research ArticleOpen accessIn the abstractImmunomodulatory and Antioxidant Effects of Stachys Japonica Miq. Ethanol Extract on Cyclophosphamide-Induced Immunosuppressed Mice and its Phytochemical CompositionXueping Jiang, Jianglong He, Yanjun Chen, Fang WangStachys japonica Miq. is an edible wild botanical drug and a traditional medicine in China. This study focused on examining the phytochemical profile and antioxidant properties of the ethanol extract of S. japonica Miq (SJEE) in vitro, as well as its immunomodulatory and antioxidant activities in cyclophosphamide (Cy)-induced immunosuppressed mice. The SJEE was analysed by UPLC-HRMS/MS. 36 Polyphenols, including flavonoids, … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 1 · 13 Apr 2026 · 1,449 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAcaricidal Activity of Azadirachta indica (Neem Tree) and Carica papaya (Papaya) Leaf Extracts against Rhipicephalus sanguineus (Dog Ticks) Using Spray MethodAlfredo Vita Corpuz, Carmela Montoya Florentino, Paul Erman Tabuloc Quilana et al.Ticks pose a serious threat to dogs, with synthetic acaricides leading to environmental impact and resistance concerns. While Azadirachta indica and Carica papaya have shown acaricidal potential against Rhipicephalus sanguineus, their efficacy against dog ticks has not been thoroughly investigated. This study determined the acaricidal activity of A. indica and C. papaya leaf extract against R. sanguineus, both individually and … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 22 Apr 2025 · 8,409 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEffect of three Cutting Ways on the Quality of Fresh-Cut Green Pepper During Room Temperature StorageYue Yang, Shuai Han, Huitao Gao, Hongfang CaiFresh-cut (FC) pepper is favored by consumers all over the world for its convenience, freshness and nutritional value. Previous studies have mostly focused on the influence of preservation approaches on microorganism and quality control of fresh-cut green peppers. Yet, there have been few studies on how the cutting ways affect the quality and antioxidant ability of FC green peppers during … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 3 · 22 Aug 2024 · 4,787 accessesView PDF Cite

Research ArticleOpen accessIn the abstractVirtual Screening of Bioactive Compounds from the Onion (Allium) Genus as Potential Epidermal Growth Factor Receptor Inhibitors for MonkeypoxDinda Ratu Agustiani, Rakhmat Ramdhani Alwie, Harry NoviardiMonkeypox (Mpox) is an emerging zoonotic disease caused by the Mpox virus infection that affects humans and animals. Epidermal Growth Factor Receptor (EGFR) is an important target in the pathogenesis of Mpox. Epidermal Growth Factor (EGF), encoded by orthopoxviruses, plays an important role in intercellular transmission of the virus. Onion is known to have antiviral and immunomodulatory properties. Active compounds … …OnLine Journal of Biological Sciences, Vol. 26, Issue 3 · 6 Aug 2026 · 945 accessesView PDF Cite

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 PDF Cite