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160 articles for “leaf extracts”
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Biological Synthesis of Silver Nanoparticles Using Hibiscus Sabdariffa Leaf Extract and It’s Antibacterial Sensitivity Assay
Abstract: In this study, AgNO3 was effectively used to synthesize silver nanoparticles. Hibiscus sabdariffa leaf extract was used to promptly and easily synthesize silver nanoparticles. An UV-Visible spectrophotometer showed absorbance peak in range of 300-600 nm. The procedure was found to be easy to follow, quick, least step and safe for the environment. It is non-toxic, and a viable substitute for traditional physical or chemical procedures. At room temperature, silver ions …
Published in International Journal of Tropical Medicines · Vol. 1, Issue 1, 2024 · pp. 08–13 Read article
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Catalytic Reduction of Organic Dyes with Green Synthesized Silver Nanoparticles using Aloe vera Leaf Extract
Abstract: In this present study, we report a facile, cost-effective and non-toxic method of synthesis of silver nanoparticles using 4mM silver nitrate and aqueous leaf extract of Aloe vera as reducing and capping agent in presence of 25% ammonia solution. Then these green synthesized nanoparticles are used as catalysts for the degradation of organic dyes. The synthesized silver nanoparticles (AVSNPs) were characterized using different techniques like UV-Visible spectroscopy, Fourier infrared spectroscopy …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 2, 2019 · pp. 9–21 Read article
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Liquid Chromatography Mass Spectrometer (LC/MS) Profile Revealed Flavonoids with Antioxidant Potential in Butanol Fraction of Gymnema Sylvestre Leaf Extract
Abstract: Gymnema sylvestre (Asclepiadaceae) is widely used in the treatment of several diseases associated with oxidative stress. This study aimed to identify Flavonoids with antioxidant potentials in Butanol fraction of Gymnema sylvestre leaf extract. In vitro antioxidant activity was studied using DPPH and Ferric Reducing Antioxidant Power (FRAP). The results revealed higher radical scavenging activity of 86.53±0.86 in DPPH compared to the control Ascorbic acid with 84.71±0.61 and also similarly in …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 9, Issue 1, 2022 · pp. 26–39 Read article
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Evaluation of Antibacterial Sensitivity of Euphorbia hirta Linn. Leaf Extract
Abstract: AbstractEuphorbia hirta L. (Asthma Lata), a pantropic herbaceous wild plant which has been widely used as a medicinal plant throughout Bangladesh. The present study was designed to evaluate the antimicrobial activity of ethanolic and methanolic leaf extracts of E. hirta against six pathogenic bacteria viz. Bacillus subtilis, Sarcina lutea, Xanthomonas campestris, Escherichia coli, Klebsiella pneumonia and Pseudomonas sp. by disc diffusion method. Both crude extracts of E. hirta exerted the …
Published in Research & Reviews : Journal of Herbal Science · Vol. 2, Issue 1, 2013 · pp. 13–17 Read article
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The ability of Henna Leaf Extract to affect The growth of some Fungi
Abstract: The study was conducted by preparing an aqueous extract of henna leaves, which were collected from A garden in a house located in Najaf Governorate was used to test the inhibitory effects of an extract against two fungal isolates: Aspergillus niger and Candida albicans. The extract was prepared in a series of concentrations: 5, 10, 15, 20, and 25 mg/ml. The results showed an inhibitory effect of the concentrations used …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 15, Issue 2, 2025 Read article
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Green Synthesis of Silver Nanoparticles Using Murraya koenigii Leaf Extract and Their Antibacterial Potential
Abstract: The eco-friendly and green synthesis of silver nanoparticles (AgNPs) was done by using the extract of young leaves of medicinally important plant Murraya koenigii (Curry Leaves). This method was very simple and rapid multiplication. The green synthesized silver nanoparticles were characterized by FTIR and X-ray diffraction (XRD). To identify the compounds responsible for reduction of silver ions, the functional groups present in plant extract were investigated by FTIR analysis and …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 8, Issue 3, 2018 · pp. 76–81 Read article
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Green Synthesis of Silver Nanoparticles Using Ficus Religiosa Linn Leaf Extract
Abstract: Nanotechnology is always a promising field for many new technological innovations. Turning Chemical process green also gains more attention of researchers due to high environmental concern. The process that involves ecofriendly procedures, use of less toxic solvents, less toxic byproducts, use of cheaper raw materials are all becoming ever increase in demand for current research scenario. Plants especially those having medicinal properties are beneficial for synthesizing nanoparticles as it will …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 45–52 Read article
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Green synthesis of Silver nanoparticles using leaf extract of Cyclea peltata and its Antimicrobial activity
Abstract: Nanotechnology is a reliable and enabling environment friendly process for the synthesis of nanoscale particles of structures ranging from approximately 1- 100 nm. Since the chemical synthesis of nanoparticles have adverse effect in medical applications, green synthesis of nanoparticles is in a huge need. Silver is one of the substances used in nanoformulation. Silver nanoparticles were successfully synthesized through silver nitrate through a simple green route using the clean, dried, …
Published in Research & Reviews : Journal of Botany · Vol. 8, Issue 2, 2019 · pp. 1–6 Read article
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Green Synthesis of silver nanoparticles using Moringa Oleifera leaf extract: Investigation of Photocatalytic activity
Abstract: In the present study, cost effective and environment friendly silver nanoparticles were synthesized using Moringa Oleifera leaves extract as the reducing and capping agent. The nanoparticles (AgNPs) were characterized using UV-visble, FT-IR, XRD, and Scanning electron microscopy (SEM) analysis. The surface plasmon resonance peaks in absorption spectra for silver colloidal solution showed an absorption peak at 443 nm in a UV-visible spectrum. From the XRD data, we suggest the occurrence …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 60–68 Read article
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Phytochemical and Neuroprotective Activity of Annona reticulata Leaf Extract in Gentamicin-Induced Nephrotoxicity in Wistar Rats
Abstract: Natural products are an important source of bioactive compounds and have potential for the development of novel therapeutics. Natural products and their derivatives represent more than 50% of all drugs in clinical use in the world. Herbal plants contain and produce a variety of chemical substances that are used as a remedy for treating diseases. Annona reticulata contain different chemical constituents but does not contain glycosides, alkaloids and phytosterols. Various …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 6, Issue 3, 2019 · pp. 30–38 Read article
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Synthesis and Characterization of Silver Nanoparticles by using Aqueous Leaf Extract of Tecomella Undulata (SM.) seem. and their Antibacterial Properties
Abstract: Abstract The efficient protocol for bio-synthesis of silver nanoparticles (AgNPs) using Tecomella undulata leaves was developed. The present study revealed that bio-active compounds and secondary metabolites present in the aqueous extract function as stabilizing agent for AgNPs. UV-Visible spectro-analysis and FTIR confirm the presence of bioactive compounds and TEM, EDX and XRD studies confirm the crystalline nature, structure and surface morphology of silver nanoparticles produced from the plant Tecomella undulata. …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 7, Issue 2, 2020 · pp. 5–13 Read article
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Assessing the Efficacy of Carica Papaya Leaf Extract in Preventing Thrombocytopenia: A Review
Abstract: A clinical condition known as thrombocytopenia is characterized by a low platelet count (less than 150 × 103/μL) in the blood, which leads to an imbalance in hemostasis and can result in multiple deadly consequences. Although the exact causes are not always known, they always lead to death by interfering with the formation of platelets and encouraging their destruction. Research demonstrates that Carica papaya leaf has special medicinal and therapeutic …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 11, Issue 2, 2024 · pp. 25–33 Read article
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Antioxidant activity of Passiflora foetida leaf extracts and silver nanoparticles in diabetic induced rats
Abstract: The anti-oxidant system present in our body prevents against the free radicals. Anti-oxidants were glutathione peroxidise,serum catalase,vitamin E, ascorbic acid and superoxide. In our study the plant extract of Passiflora foetidae were used to estimate the antioxidant levels in diet-induced diabetic rats. The mean of glutathione peroxide of normal rats was 92.98±1.65. "The mean of diet-induced diabetic rats was 152.50 ± 1.92*. Diabetic rats treated with sitagliptin and vildagliptin had …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 14, Issue 1, 2024 · pp. 10–16 Read article
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Evaluation of Tectona Grandis Leaf Extract As A Green Corrosion Inhibitor for Aluminium in 1M NaOH
Abstract: A kind of tropical hardwood tree called the Tectona grandis tree that is indigenous to India. The name "teak tree" is another common name for this kind of tree. It is a member of the plant family that is referred to as Lamiaceae. The primary purpose of this research is to investigate whether or not the plant extract has a corrosion-inhibiting quality. In this study, an aqueous extract of Tectona …
Published in Journal of Polymer & Composites · Vol. 2, Issue 2, 2023 · pp. 41–50 Read article
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Biosynthesis, Characterization and Non-toxic Activity of Gold Nanoparticles using Geranium (Pelargonium graveolens L.) Leaf Extract
Abstract: Nanoparticles from various materials can be prepared by relatively simple methods. During the past few decades, a variety of different methods have been reported and reviewed for synthesizing gold colloids of monodisperse and uniform sized particles. In present investigation, a new method of one-pot biosynthesizing of gold nanoparticles (GNPs), using geranium leaves extract as a reductant and stabilizer is reported. GNPs were characterized by UV-visible spectroscopy; transmission electron microscopy, X-ray …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 16, Issue 3, 2014 · pp. 1–7 Read article
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Green Synthesis of Nanoparticles using Nivdi Leaf Extract
Abstract: Nanotechnology deals with materials 1 to 100 nm in length. The fundamentals of nanotechnology lie in the fact that the properties of materials drastically change when their dimensions are reduced to nano scale. The green synthesis of nanoparticles with the help of this plant extract was done for the first time. The leaves of the plant Nivdi was used for extraction of nano-ZnO, nano-Ag+ and characterization of the nanoparticles was …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 21, Issue 3, 2019 · pp. 14–20 Read article
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Preliminary Phytochemical and Acute Toxicity Studies of Different Extracts of Guiera Senegalensis
Abstract: The leaf of Guiera senegalensis is used in the management of many diseases in Nigeria and many African countries, but the medial lethal doses (LD50) of its different extracts are not widely investigated. To evaluate the phytochemical constituents and acute toxicity indexes of aqueous, hexane, dichloromethane and methanol leaf extracts of G. senegalensis, basic phytochemical screening methods were applied. While up and down procedure and Lorke’s method was used for …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 6, Issue 3, 2019 · pp. 11–16 Read article
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In Vivo Hypoglycemic Activity of Aqueous Leaf and Root Extracts of Macaranga Barteri Müll. Arg. (Euphorbiaceae) In Swiss Albino Mice
Abstract: Background: Macaranga barteri Müll. Arg. is a perennial plant in the family Euphorbiaceae and is used in African traditional medicine for the management of several ailments, including diabetes. Although the leaves and stem bark have been studied for various pharmacological activities, little is known about the therapeutic value of the roots. Objective: This study evaluated the in vivo hypoglycemic activity of aqueous leaf and root extracts of M. barteri in …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 15, Issue 2, 2026 · pp. 60–78 Read article
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Effect of Leaf or Bud Extract of Euphorbia hirta L. using Different Solvents against Human Pathogenic Bacteria Staphylococcus aureus
Abstract: AbstractAntibacterial effects of leaf or bud extract of selected medicinal herb Euphorbia hirta L. were examined using agar disc diffusion method against test bacteria Staphylococcus aureus. Different solvents such as methanol, ethanol, dimethyl sulfoxide and aqueous were used for extraction. Maximum in vitro inhibition was observed in methanol extracts of Euphorbia hirta L. which offered inhibition zone of 20 mm and zone of inhibition area of 471.00 mm² against S. …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 8, Issue 3, 2018 · pp. 1–4 Read article
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In vitro Antimicrobial Efficacy of Aristolochia indica Linn.: An Important Medicinal Plant
Abstract: Aim: Aristolochia indica Linn. is a medicinal plant used to cure various forms of bowel complaints, fever and skin disease. Hence in the present study this plant was tested for its antimicrobial efficacy against the microbes causing such diseases. Method: Three solvent (methanol, petroleum ether and chloroform) extracts of leaf of Aristolochia indica Linn. were tested for antimicrobial efficacy using disc diffusion method against six selected pathogenic micro-organisms: Klebsiella pneumoniae, …
Published in Research & Reviews : Journal of Botany · Vol. 6, Issue 3, 2017 · pp. 1–6 Read article