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269 results for “leaves”
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Research ArticleOpen accessEvery word in the titleAntioxidant Activity of Leaves of Calophyllum rubiginosumMuhammad Taher, Nissad Attoumani, Deny Susanti et al.Problem statement: Calophyllum species have been used in traditional medicine for their therapeutic values for many years. This use was explained by several previous studies where antimicrobial, antifungal, anti-HIV and anti-cancer and antioxidant compounds were isolated from several Calophyllum species. Approach: The leaves were extracted with n-hexane (hexane), dichloromethane (DCM) and methanol using soxhlet apparatus. Total phenolic contents of each … …American Journal of Applied Sciences, Vol. 7, Issue 10 · 31 Oct 2010 · 7,623 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePhysiological Study on the Effect of Acalypha wilkesiana Leaves Extract on Streptozotocin-Induced Experimental Diabetes in Male MiceAtef M. Al-AttarProblem statement: Diabetes mellitus is a chronic disease that causes serious health complications and it is now one of the most common non-communicable diseases globally. It is the fourth or fifth leading cause of death in most high-income countries and there is substantial evidence that it is epidemic in many economically developing and newly industrialized nations. Recently, there has been … …Current Research in Medicine, Vol. 1, Issue 1 · 30 Jun 2010 · 74,606 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAnticancer Activities of Styrylpyrone from the Leaves and Twigs of Goniothalamus maewongensis via Cell Cycle ArrestPradit Pradupsri, Chatchanok Loetchutinat, Narong Nuntasaen et al.Problem statement: Goniothalamus maewongensis is one of three new species which are found in Thailand recently. The genus goniothalamus is not only well known for the rich of styrylpyrones but also famous for the potential of biological activities, especially the cytotoxic activity against a number of human cancer cell lines. The phytochemical and biological investigations of this plant are interesting … …American Journal of Applied Sciences, Vol. 6, Issue 12 · 31 Dec 2009 · 8,192 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation of Antiangiogenic Effect of the Leaves of Justicia gendarussa (Burm. f ) (Acanthaceae) by Chrio Allontoic Membrane MethodK. Periyanayagam, B. Umamaheswari, L. Suseela et al.Problem statement: Angiogenesis involves the formation of new blood vessels from pre-existing blood vessels plays a crucial role in pathological processes such as diabetic retinopathy, arthritis and in the growth of solid tumors. Numerous reports had pointed out to the crucial role of neovascularization in the malignancy of tumors and other angiogenesis dependant diseases. Antiangiogenic therapy which targets activated endothelial … …American Journal of Infectious Diseases, Vol. 5, Issue 3 · 30 Sep 2009 · 9,152 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleConcentration and Physicochemical Properties of Chitosan Derivatives Determine the Induction of Defense Responses in Roots and Leaves of Tobacco (Nicotiana tabacum) PlantsAlejandro B. Falcón-Rodríguez, Juan C. Cabrera, Eduardo Ortega, Miguel Ángel Martínez-TéllezProblem statement: The chitosan derivatives promote diverse defensive responses in plants, which are affected by chitosan chemical features and concentration. Glucanase (EC 3.2.1.6), Phenylalanine Ammonia-Lyase (PAL, EC 4.3.1.5) and peroxidase (POD, EC 1.11.1.6) are key enzymes in tobacco defense responses. Thus, the aim of this study was to know the behavior of their enzymatic activity in leaves and roots of … …American Journal of Agricultural and Biological Sciences, Vol. 4, Issue 3 · 30 Sep 2009 · 9,263 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAnalgesic and Antioxidant Activity of the Hydromethanolic Extract of Mikania scandens (L.) Willd. LeavesS.M. Raquibul Hasan, Mariam Jamila, Muntasir Mamun Majumder et al.Problem statement: Mikania scandens (L.) Willd., a medicinal plant, is popularly used as herbal remedy for various ailments in Bangladesh. But the scientific basis for its medicinal use especially in pain and inflammation remains unknown. Therefore, the present study was designed to evaluate analgesic and antioxidant potential of the hydromethanol extract of the leaves of the plant. Approach: The analgesic … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 1 · 31 Mar 2009 · 12,542 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSulfur Dioxide (SO2) Accumulation in Soil and Plant's Leaves around an Oil Refinery: A Case Study from Saudi ArabiaM. O. Al-Jahdali, A. S. Bin BisherThe accumulative levels of SO2 in soil and plant's leaves around an oil refinery were monitored. Four different sites around the refinery area were chosen; west, south east, north east and the northern side. The refinery southern side was not accessible. In addition to the soil samples, leaves samples of the dominant plants species Myoporum pictum were randomly collected from … …American Journal of Environmental Sciences, Vol. 4, Issue 1 · 29 Feb 2008 · 7,790 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation of Acute Oral Toxicity Induced by Tablets Based on Ethanolic Extract of Salvia dumetorum Leaves in Experimental RatsYana Levaya, Karakoz Badekova, Mussa Zholdasbayev, Gayane AtazhanovaThe aim of this study was to assess the acute oral toxicity of a solid dosage form based on Salvia dumetorum Andrz. ex Besser leaf extract (SDT5) in experimental rats. Acute toxicity was evaluated over a 14-day observation period following a single oral administration at three dose levels (500 mg/kg, 1000 mg/kg, and 2000 mg/kg), prepared in 0.5 mL of … …OnLine Journal of Biological Sciences, Vol. 26, Issue 2 · 23 Jun 2026 · 1,241 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOptimized Fractal Fusion Driven Deep Neural Network: An Efficient Hybrid Methodology for Disease Detection and Classification in Plant LeavesDeepkiran Munjal, Mrinal Pandey, Laxman SinghPlant diseases and pest attacks are among the major issues in agriculture, which have a great impact on crop growth and yield. Early and correct detection of these diseases is vital for effective management and keeping plant health at the desired level. This research proposes a new method for detection and classification of plant diseases, the Optimized Fractional Fusion Deep … …Journal of Computer Science, Vol. 21, Issue 12 · 8 Jan 2026 · 2,223 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTotal Phenolic Composition and Antioxidant Activity of Silver Nanoparticles using Aqueous Extract of Chilca Leaves (Baccharis latifolia)Fernanda Pilaquinga, Camila Granja, Eliza Jara et al.The importance of studying polyphenols as natural antioxidants has encouraged the search for new methods of rapid, simple analysis. The synthesis of silver Nanoparticles (Ag NPs) using plant extracts has been presented as an alternative to determine the presence of polyphenolic compounds. In this study, aqueous extract of chilca (Baccharis latifolia), an endemic plant species from South America known for … …American Journal of Applied Sciences, Vol. 18, Issue 1 · 16 Apr 2021 · 8,341 accessesView PDFCite