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160 articles for “leaf extract”
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Anti-Diabetic Effects in Guava Leaf
Abstract: Psidium guajava Linn. (guava) is utilized not only as victuals but adscititiously as folk medicine in subtropical areas around the world because of its pharmacologic activities. In particular, the leaf extract of guava has traditionally been utilized for the treatment of diabetes in East Asia and other countries. This review describes the active component of the aqueous guava leaf extract and its inhibition of alpha-glucosidase enzymes in vitro, safety of …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 2, Issue 1, 2015 · pp. 22–27 Read article
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Effect of Dimethyl Sulfoxide Extract on Different Parts of a Medicinal Plant:Euphorbia hirta L. Against Escherichia coli and Staphylococcus aureus
Abstract: Euphorbia hirta has been widely used by tribal as traditional medicine in the treatment against infectious pathogens. Euphorbia hirta Linn. is a perennial herb belonging to the family Euphorbiaceae. It is a potent medicinal plant and has established its sedative and anxiolytic activity. It has analgesic, antipyretic, anti-inflammatory, antidepressant for blood pressure, antihypertensive and antioxidant properties. Effect of dimethyl sulfoxide extract on different parts (leaf, bud and stem) of Euphorbia …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 5, Issue 2, 2015 · pp. 30–33 Read article
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Growth Inhibitory Effects of Centella asiatica Extracts on Escherichia coli
Abstract: Plant secondary metabolites have been known for their varying degrees of antimicrobial activity. These form important constituent of traditional medicine. The present study aims to analyze the antibacterial effects of the Centella asiatica extracts by looking into the growth inhibitory effects of organic and aqueous extracts of the leaves on Escherichia coli bacterium and to identify the secondary metabolites present in the extract by phytochemical analysis. The leaf extracts of …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 2, 2019 · pp. 1–7 Read article
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Ethnomedicinal Importance of Nyctanthes Arbor-Tristis in Ranchi District of Jharkhand
Abstract: Nyctanthes arbor-tristis is one of well-known medicinal plants and many of its parts are used to treat different diseases. Nyctanthes arbor-tristis Linn leaves are used broadly in Ayurvedic medicine for the cure of many ailments such as obstinate sciatica, malaria, chronic fever, rheumatism and internal worm infections, laxative, diaphoretic, diuretic and as a tonic. Nyctanthes arbor-tristis plants were collected locally in the month of October of the year 2017, from …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 6, Issue 3, 2019 · pp. 8–11 Read article
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A Review on Psidium Guajava
Abstract: Psidium guajava is an evergreen shrub belongs to Myrtaceae family and commonly known as guava. It contains phenolic compounds and acts as anti-oxidant properties as well as immunostimulant. It has a higher number of vitamins and minerals. Every part of this plant contains various phytochemicals like quercetin, rutin, kaempferol, gallic acid, epicatechin, ursolic acid, glucosides, guavanoic acid, guava coumaric acid, saponins, terpenoids are present. It shows various pharmacological activities like …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 10, Issue 3, 2021 · pp. 9–14 Read article
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Antibacterial and Antifungal Activities of Mirabilis jalapa of Indian Origin
Abstract: The in vitro antimicrobial activity of Mirabilis jalapa leaf extract was studied against selected pathogenic and non-pathogenic microorganisms Escherichia coli, Bacillus subtilis, Klebsiella pneumoniae, Penicillium chrysogenum, Auriparus flaviceps and Trichoderma viridae by using agar diffusion and broth dilution methods. Leaves were extracted using solvents petroleum ether, chloroform and methanol. Among the solvents tested, petroleum ether and chloroform extracts showed good antimicrobial activity against the selected pathogens. The growth inhibitors were …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 2, 2012 · pp. 1–10 Read article
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Biosynthesis of Magnetic Iron Oxide Nanoparticles Using Hibiscus as a Plant Source
Abstract: Green chemistry has significant role in improving and protecting the global environment and they are even competent over other conventional methods. This paper investigates the greener route to nanoparticles which were produced by coprecipitation technique using hibiscus leaf extract as a plant resource. This method has been proven cost effective, simple, economical, eco-friendly and non-hazardous. The formation and nature of synthesized magnetic iron oxide nanoparticles were characterized by UV–Vis spectroscopy, …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 1–9 Read article
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Eco-Friendly Management of the Viral Diseases of Chilli (Capsicum annum L.)
Abstract: AbstractThe infection and spread of viral diseases in chilli viz., mosaic mottling, distortion, leaf rolling, curling and the necrosis of apical and floral buds could be managed by fortnightly sprays with the aqueous leaf extract of Clerodendrum aculeatum, Azadirachta indica and filament extract of Cuscuta reflexa. The effectiveness of the botanicals was increased with increase in the number of sprays from one to six. In treated plants symptom appearance was …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 3, Issue 1, 2014 · pp. 11–16 Read article
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Biomedical Applications of Green-Synthesized Cobalt Oxide Nanoparticles
Abstract: The biomedical potential of cobalt oxide nanoparticles (Co3O4 NPs) synthesized via green methods is gaining recognition due to their biocompatibility and multifunctionality. This article reviews the antibacterial and anticancer properties of Co3O4 NPs synthesized using Delonix regia leaf extract. Characterization techniques confirmed their nanoscale size and uniform morphology. The antibacterial assay against Escherichia coli revealed significant activity, attributed to enhanced permeability and interaction with bacterial membranes. These findings highlight the …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 1, 2025 · pp. 20–29 Read article
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Green Synthesis of Silver Nanoparticles: Antifungal Efficacy Against Aspergillus niger and Agricultural Benefits
Abstract: Silver nanoparticles (AgNPs) are gaining significant attention in agriculture due to their potent antifungal properties. This study focuses on evaluating the antifungal effects of green synthesized AgNPs derived from Aloe vera leaf extract against the pathogenic fungus Aspergillus niger. The results indicate that the synthesized nanoparticles exhibited a strong absorption maximum at 550 nm, indicative of surface plasmon resonance. UV-Vis spectroscopy was used to analyze the nanoparticles, and the solution …
Published in International Journal of Fungi · Vol. 1, Issue 1, 2024 · pp. 19–23 Read article
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Green Synthesis of Cobalt Oxide Nanoparticles Using Delonix regia Leaf
Abstract: Green synthesis of nanoparticles offers a sustainable and eco-friendly alternative to conventional methods. This study explores the biosynthesis of cobalt oxide nanoparticles (Co3O4 NPs) using Delonix regia leaf extract as a reducing and stabilizing agent. The synthesized Co3O4 NPs were characterized by UV-visible spectroscopy, Fourier transform infrared (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM), confirming their uniform spherical morphology with an average size of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 1, 2025 · pp. 30–38 Read article
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A Review of Polyherbal Anti-Dandruff Shampoo with Bay and Betel Leaves
Abstract: Dandruff is one of the most common scalp problem it is mainly caused by the abnormal growth of yeast Malassezia species. It can lead to itching, irritation, excessive shedding of dead skin. Most of the anti-dandruff shampoos are made up of chemical based which are available in the market, they may give quick results but their long-term use will show side effects like hair dryness, damage, irritation, frizziness. To overcome …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 13, Issue 2, 2026 · pp. 16–20 Read article
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Nitric-oxide Scavenging Antioxidant Activity of the Different Extracts of Plumeria obtusa (Family:Apocynaceae)
Abstract: Plumeria obtusa (Family-Apocynaceae) has a long ethnomedicinal tradition of being used as a remedial agent in various diseases such as diarrhoea, piles, fever, gonorrhoea, antibacterial and antitumour agents etc. Antioxidant potential of the crude petroleum ether, chloroform and methanol extracts of the leaf and bark were evaluated by using nitric oxide scavenging assay. The extracts showed significant activities compared to ascorbic acid in a dose dependent mode. Moreover, the percentage …
Published in Research & Reviews : Journal of Herbal Science · Vol. 4, Issue 1, 2015 · pp. 58–62 Read article
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Silver Particles coating on polypropylene matrix for bacterial filter property
Abstract: Silver particles have a wide range of biomedical applications, including their use as drug. In this paper, we report on the synthesis of silver particles using crude aqueous extract of Manihot esculenta leaf extract. Two different (conventional stirring and ultrasonic) methods were employed in the reduction of AgNO3 process. Native extract as well Ag colloidal extract were checked cytotoxicity against Human Cervical Carcinoma cell. The anti cancer results achieved excellent …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 3, 2020 · pp. 16–25 Read article
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Inhibition of Ehrlich Ascites Carcinoma by Crotalaria verrucosa L. Leaf in Swiss Albino Mice
Abstract: Objective: The objective of the present study was to evaluate the antitumor activity of Crotalaria verrucosa L. leaf against Ehrlich ascites carcinoma (EAC) in Swiss albino mice. Methods: The in vivo antitumour activity of the ethanol extract of leaf of C. verrucosa L. (ELCV) was evaluated at 50, 100 and 200 mg/kg bw against EAC, using mean survival time. After administration of the extract of C. verrucosa, viable EAC cell …
Published in Research and Reviews : A Journal of Ayurvedic Science, Yoga and Naturopathy · Vol. 5, Issue 2, 2018 · pp. 5–10 Read article
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Free Radical Scavenging Activity of Zanthoxylum rhetsa (Roxb) DC
Abstract: The leaves of Zanthoxylum rhetsa (Roxb) DC are used in Indian system of medicine. Thepresent study deals with the physicochemical, phytochemical investigation, and in vitroantioxidant activity on various extracts of the plant. The leaf extracts of Z. rhetsa wereprepared with five different solvents such as hexane, chloroform, ethyl acetate, ethanol andwater. The results of this study showed that leaves powder of Z. rhetsa is rich in secondarymetabolites and contain many …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 7, Issue 2, 2017 · pp. 17–26 Read article
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Green Synthesis of Zinc Oxide Nanoparticles using Extracts of Ocimum Tenuiflorum and its Characterization
Abstract: Various applications of nanoparticles stimulate the need for synthesizing them. But, the conventional methods are usually hazardous and energy consuming. This leads to the focus on “green synthesis” of nanoparticles which was an efficient and eco-friendly approach. Natural diminishment operators are being investigated worldwide to limit the impacts of toxic chemicals utilized as a part of nanoparticles creation. The present study states a green approach for the synthesis of zinc …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 1, 2018 · pp. 9–19 Read article
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Medicinal Plants: An Alternative Source for Antimicrobials Against Emerging Pathogens
Abstract: The Tagetes erecta an extensively used medicinal plant is a small shrub, which grows up to 1–2 mm. The present study was aimed to investigate the antibacterial activity of this common locally available plant. Antimicrobial activity of three confined densities of crude extracts (cold aqueous, hot aqueous and methanol extracts) of medicinal plant Tagetes erecta leaves and flowers was evaluated by disk diffusion method against seven different pathogenic species of …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 4, Issue 3, 2014 · pp. 12–20 Read article
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Development of Alcohol-free Herbal Mouthwash Having Anticancer Property
Abstract: AbstractMouthwash is a liquid accessory to clean and maintain the health of our teeth for oral hygiene. Nowadays, we use commercial mouthwash which contains many chemical compounds like sodium lauryl sulfate, thymol, methyl salicylate, benzalkonium chloride, hydrogen peroxide, alcohol which are harmful to our buccal cavity. We have developed a mouthwash with some common food materials and herbs and which can replace costly chemicals like alcohol, coloring agents and preservatives …
Published in Research & Reviews : Journal of Herbal Science · Vol. 2, Issue 1, 2013 · pp. 7–12 Read article
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An Assessment of the Phytochemical Properties and Antimicrobial Activity of Selected Tree Species
Abstract: Currently, more people are becoming aware of the value of medicinal plants also. Compared to other medications, drugs made from plants are readily available, affordable, safe, and have few to no adverse effects. In the present study, we investigate the phytochemical screening and enumerate the antimicrobial activity of the selected tree species of Sapindus emarginatus, Murraya koenigii, Mangifera indica, Sterculia fodita, and Tamaridus indica. The plant extracts were prepared by …
Published in Research & Reviews : Journal of Botany · Vol. 12, Issue 1, 2023 · pp. 1–6 Read article