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160 articles for “leaf extract”
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Synthesis and Characterization of Polyvinyl alcohol film incorporated with Tridax procumbens leaf extract
Abstract: Active film materials are prepared by incorporation of natural antimicrobial and antioxidant agents. These materials have attracted growing interest in wound dressing and food packaging process. In this study, active films were developed by incorporation of Tridax procumbens (T. procumbens) leaf extract into Polyvinyl Alcohol (PVA) matrix. T. procumbens leaves have been accounted for their biomedical and nutritional properties. The impact of T. procumbens leaf extract on the physical, mechanical …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 40–51 Read article
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Efficient Green Synthesis of TiO2 Nanoparticles Using Murraya koenigii Leaf Extract
Abstract: Green synthesis of nanoparticles by plant extract is at present under exploitation due to eco-friendly, non-toxic and inexpensive process. Titanium dioxide (TiO2) nanoparticles were synthesized by ultrasound assisted sol-gel precipitation method using titanium tetra-isopropoxide as a precursor and Murraya koenigii leaf extract as a reducing and stabilizing agent. The leaf extract was prepared under various solvent media such as ethanol and distilled water under controlled ultrasonication. Due to effective ultrasound, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 1, 2016 · pp. 29–38 Read article
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Evaluation of Neem Leaf Extract against Anthracnose, Leaf Blight and Rust Diseases of Sorghum
Abstract: AbstractField experiments were conducted during Kharif 2005 and 2006 at Gobbur Wadi area of Afzalpur Taluk, Gulbarga district. Sorghum plants were randomly selected and the three concentrations (10, 20, and 30%) of Neem leaf extract (NLE) were sprayed at the successive periods of 15, 30 and 45 days, respectively and percent disease incidence was recorded. Among the three major foliar fungal diseases studied, rust was dominant (PDI 73.60) on 2005 …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 2, Issue 1, 2013 · pp. 7–10 Read article
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Spray of Neem Leaf Extract Decreases the Leaf Sugary Incidence and Aphid Populations on Sorghum Leaf
Abstract: ABSTRACTIn the present study, the effect of Neem leaf extract on leaf sugary disease and aphid populations on sorghum leaf was studied using different concentrations of NLE (aqueous), viz., 10%, 20% and 30% along with the water spray and control blank. In Rabi 2005 on 45th day, percent disease incidence was 71.6% and in 30% NLE-treated plant, it was 27% with percent inhibition of 63%. In Rabi 2006, disease incidence …
Published in Research & Reviews : Journal of Botany · Vol. 1, Issue 3, 2012 · pp. 8–12 Read article
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Phytochemical Characterization and Antimicrobial Activity of Cassia Alata Leaf Extract
Abstract: Aim: The aim of this study was screening for bioactive compounds with pharmaceutical properties from Cassia alata leaf extract. Methodology: The dried sample of Cassia alata leaf was powdered and extracted with ethanol using soxhlet apparatus. Antimicrobial activity of the leaf extract was checked against different clinical pathogens. Result and discussion: Thin layer chromatography (TLC) revealed the number of compounds present in the leaf extract. The results suggest that they …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 3, 2019 · pp. 20–24 Read article
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In vitro Antibacterial Activity of Averrhoa carambola Leaf Extracts
Abstract: The aim of the present study was to determine the phytochemical constituents and antimicrobial potential of Averrhoa carambola leaf extracts against three gram-positive bacteria (Bacillus subtilis, Staphylococcus aureus and Streptococcus mutans) and three gram-negative bacteria (Klebsiella pneumoniae, Proteus vulgaris and Pseudomonas aeruginosa) which are some of the infectious bacteria. The A.carambola leaves were extracted in three different solvents of increasing polarities (hexane, ethyl acetate, and acetone). The phytochemical analysis showed …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 8, Issue 2, 2018 · pp. 27–32 Read article
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Phytochemical Evaluation in Various Leaf Extracts of Wild Bhendi
Abstract: The vast diversity of natural products have been used for combating human diseases for thousands of years, since they exhibit a wide range of biological properties that can be exploited for medical application. The present study was carried out to analyse the preliminary phytochemical constituents in various solvent extract of wild Bhendi. The results revealed the presence of medicinally active compounds such as alkaloids, tannin, phenol, saponin, flavonoids and glycosides …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 11, Issue 3, 2021 · pp. 23–28 Read article
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Green Synthesis of Silver Nanoparticles Using The Leaf Extract of Micrococca mercurialis. (L.) Benth. and Its Antibacterial Activity
Abstract: In the present study, fresh and powder leaf extracts of Micrococca mercurialis. (L.) Benth. were used for green synthesis of metallic silver nanoparticles (SNPs). The efficacy of SNPs was tested against some human and animal pathogens. Stable SNPs were formed after adding aqueous solution of 1 mM AgNO3 with the fresh and powder leaf extracts. Quantitative analysis of green synthesized SNP was monitored by UV-visible spectroscopy. Bacteriological tests were performed …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 5, Issue 2, 2015 · pp. 21–26 Read article
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Absorbance, Structural and Morphological Analysis of AgNMs using Leaf Extract of Prosopis Cineraria
Abstract: AbstractThe silver nanomaterials (AgNMs) were synthesized by biodegradable method using the leaf extract of Prosopis cineraria. The green synthesized nanomaterials show the surface plasmonic resonance peak at 441 nm which confirms the presence of AgNMs. The phytochemicals of Prosopis cineraria leaf extract acted as a reducing agent which was corroborated by the infrared spectrum. The electron microscopic analysis substantiates that the AgNMs were spherical in shape with an average size …
Published in Journal of Operating Systems Development & Trends · Vol. 6, Issue 2, 2019 · pp. 21–25 Read article
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Evaluation of Anti-Diabetic Activity of Ethanolic Leaf Extract of Amorphophallus paeoniifolius by Streptozotocin and Alloxan-Induced Model Using Danio rerio
Abstract: We believe on natural remedy from ancient time. Ayurveda, Siddha, and Unani medicine system gives sufficient importance to Amorphophallus paeoniifolius for its therapeutic efficiency. A. paeoniifolius is commonly known as “elephant foot yam”. The tuber, corms, and leaf parts are having therapeutic importance. At first, the leaves of the plant were collected from the locality of Hooghly district, West Bengal, India in the month of August. After shade drying and …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 7, Issue 3, 2020 · pp. 18–29 Read article
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Synthesis, Characterization, and Biomedical Applications of a Silver Nanoparticle-Coated Chitosan–Fucoidan–Polymer Nanocomposite Loaded with Persea americana Leaf Extract
Abstract: Consuming a natural composite of Persea americana (Avocado) leaf extract and a chitosan and fucoidan form a biodegradable biopolymer matrix–polymer nanocomposite with biomedical applications, this study explored a potential therapeutic method. GC–MS and UV spectroscopy were used to describe the aqueous leaf extract, which was verified by phytochemical screening to contain flavonoids, tannins, phenols, terpenoids, and alkaloids. The chitosan–fucoidan biodegradable polymer matrix served as a biocompatible stabilizing and encapsulating carrier …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 · pp. 130–148 Read article
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Curry Leaf Extracts as a Natural Antimicrobial Agent for Eco-Friendly Tomato Disease Control
Abstract: Tomatoes (Solanum lycopersicum) are a vital horticultural crop worldwide, valued for their nutritional and economic importance. However, bacterial diseases significantly threaten yield and quality. This study investigates the antimicrobial potential of Murraya koenigii (curry leaf) extracts as a sustainable alternative to synthetic pesticides. Ethyl acetate, methanol, and aqueous extracts were prepared and tested at 50 and 200 µg/mL against Xanthomonas campestris and Pseudomonas syringae. Ethyl acetate extracts exhibited superior antimicrobial …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 14, Issue 2, 2025 · pp. 54–58 Read article
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Preliminary Phytochemical Screening, Antioxidant and antibacterial activity of Helicteres isora leaf extracts.
Abstract: Objective: To evaluate phytochemical screening, Anti-oxidant and anti-bacterial activity of Helicteres isora leaf extracts. Methods: Petroleum ether, chloroform, acetone, ethanol and hydroalcoholic extracts of leaves were used for the phytochemical screening. Anti-oxidant activity was measured using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) and nitric oxide (No) radical scavenging tests; antibacterial activity was assessed using disc diffusion techniques. Results: The percentage yields for the petroleum ether, chloroform, acetone, ethanol and the hydroalcoholic extract were …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 13, Issue 2, 2022 · pp. 11–17 Read article
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Antidiabetic Property of Cucumis Sativus Aqueous Leaf Extracts in Alloxan Induced Type 2 Diabetic Rats
Abstract: Studies have proven the antidiabetic property of fruit, seeds and pulp of Cucumis sativus. Hence, to investigate the antidiabetic property of the leaf, the aqueous leaf extract of Cucumis sativus L. (Cucurbitaceae) was investigated on alloxan induced type 2 diabetic rats. Diabetes mellitus was induced with alloxan and different graded doses of the extracts were then administered to normal and experimental diabetic rats for 12 days. Evaluation was done in …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 2, Issue 3, 2015 · pp. 28–33 Read article
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Toxic Effects and Ld50 Study of Ethanolic Leaf Extract of Nerium oleander Against Albino Rats
Abstract: Nerium oleander, kaner in hindi is a medium sized ornamental shrub plant. It is found worldwide and categorized in apocynaceae family. It has dark green, leathery, thick and lanceolate leaves which are arranged opposite or in whorls of three to five. It can tolerate drought and high temperature. Because of its shrubby nature it is grown along the highways to protect drivers from the high beam light of the vehicles …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 11, Issue 3, 2022 · pp. 42–45 Read article
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Investigation on the Efficacy of Leaf Extract of Goat Weed, Ageratum conyzoides on NR Biophysiological Characteristics of Black Gram Vigna mungo Infected with Root–Knot Nematode Meloidogyne incognita
Abstract: Root-knot nematodes, Meloidogyne sp. are economically important plant pathogens affecting root system that can be managed by cultural practices, chemical nematicides and resistant cultivars. Use of nematicides for the management of root knot nematodes are being restricted due to environmental and human health concerns in addition nematicides often do not provide long term suppression of the pathogens. Therefore, there is a need to develop alternate ecofriendly management strategies for the …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 4, Issue 1, 2014 · pp. 5–9 Read article
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Evaluation of Antiulcer Activity of Allamanda cathartica Aqueous Leaf Extract in Experimental Rat Models
Abstract: A peptic ulcer is an open sore that forms on an epithelial surface of the stomach. To decrease the incidence of relapses, side effects, drug interactions of the existing drugs, and to increase the use of available phytochemicals, this present study was aimed to evaluate the antiulcer activity of Allamanda cathartica using pyloric ligation induced gastric ulcer model and Aspirin-induced gastric ulcer model. In pyloric ligation induced gastric ulceration model, …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 7, Issue 1, 2020 · pp. 24–31 Read article
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Effect of Olive Leaves Extract on Inflammatory Cyclooxygenase (COX) Levels in High Fat Diet (HFD) Induced Diabetic Animals
Abstract: Development of diabetes and its complications are associated with persistent inflammatory activity. It has been suggested that cyclo-oxygenase (COX)-mediated pathway involved in this inflammatory process in diabetes. For example, thromboxane A2 (TXA2) and prostaglandin E2 (PGE2) released by platelets and monocytes due to the action of COX-1 and COX-2, respectively. They are important prostanoids involved in thrombosis and atherosclerosis development in diabetic condition, this also have been proved in our …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 70–76 Read article
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Anti-Depressant Activity of Aqueous Leaf Extract of Pergularia daemia in In-Vivo Animal Models
Abstract: The plant leaf of Pergulariadaemia was used for management of depressive state in various traditional system of medicine like Ayurveda, Unani and Siddha. In the absence of substantial pharmacological data, the present study attempts to study the antidepressant activity of Pergulariademia aqueous extract, by using forced swim test and tail suspension test. Animals were grouped into four treatment groups (n=4) and injected with normal saline (control), imipramine-10 mg/kg (Standard drug), …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 5, Issue 3, 2015 · pp. 21–26 Read article
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Evaluation of Bio-Based Polymer Composites Containing Guava Leaf Extract for Antimicrobial Functionality
Abstract: This study explores the formulation of an herbal soap using guava leaf extract as a primary ingredient. Guava leaves are a rich source of biopolymers like pectin and cellulose, which may contribute to the binding properties in the soap. The antimicrobial activity of the soap was evaluated against common skin pathogens (Staphylococcus aureus, Trichoderma spp., Aspergillus spp.). The formulated soap exhibited inhibitory effects against all tested pathogens. The weight, foaming …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 875–880 Read article