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732 articles for “extraction methods”
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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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Confirming Therapeutic Potential of Medicinal Plants Grown in Solid Waste Polluted Areas of Agra City against Alternaria alternata
Abstract: The present studies were conducted with an aim to determine the presence of occurrence ofmedicinal plants and antifungal activities of twenty selected medicinal plants from fivedifferent solid waste polluted areas of the Agra city. Achyranthes aspera, Calotropis procera,Ricinus communis shows maximum presence of occurrence, i.e., 10.63% and Eugeniajambolana has minimum presence of occurrence, i.e., 2.12%. As these plants are used formedicinal purposes such as in ayurvedic or other alternative with …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 7, Issue 2, 2017 · pp. 12–18 Read article
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Application of Portfolio Using Fuzzy Logic
Abstract: ABSTRACTA portfolio has to match the portfolio of long-term liabilities with the portfolio of assets. Key instruments in strategic asset liability management (ALM) are the adjustment of investments with respective policies and their interest rate analogous with the scenario of the market. We have given mathematical formulation of the investment problem in terms of stochastic problem (SP) and finally represented it in terms of Fuzzy Inference Engine by providing a …
Published in Journal of Computer Technology & Applications · Vol. 3, Issue 1, 2012 · pp. 16–25 Read article
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Detection of Listeria monocytogenes in Milk and Ice Cream by Polymerase Chain Reaction
Abstract: Abstract The present study was undertaken to standardize PCR assay for detection of L. monocytogenes and Listeriolysin O from livestock foods and compare its efficacy with conventional cultural methods. A set of primer derived from iap gene and other set derived from hlyA gene were used for detection of L. monocytogenes and Listeriolysin O in the PCR assay. The PCR assay was initially standardized by optimizing the concentration of the …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 5, Issue 1, 2015 · pp. 24–35 Read article
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In Vitro Screening of Antibacterial Potentiality of Some Important Flowers’ Extracts Against Some Pathogenic Bacteria
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 The present investigation was carried out to screen and evaluate the antibacterial activities of different flowers, namely, Calendula officinalis, Rosa damacena, Hibiscus rosa-sinensis, Datura stramonium, Bougainvillea stabilis, and Vinca rosea. These flowers were screened for potential antibacterial activity against some important bacterial Gram negative and Gram positive bacteria strains, namely Escherichia coli, Salmonella typhi, Staphylococcus aureus, and E. faecalis. Dried leaf …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 1, Issue 3, 2011 · pp. 9–19 Read article
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Experimental Investigation of Water Absorption and Mechanical Behavior of Bamboo Fiber Based Polymer Composites
Abstract: The objective of this research is to assess the suitability of bamboo fibers as a sustainable alternative to synthetic and wood fibers for reinforcing polymer composites. Plant-based fibers, particularly bamboo, offer advantages such as biodegradability, lightweight nature, abundance, and impressive mechanical properties that rival or surpass those of conventional materials. In this study, special focus is placed on the extraction of long fibers from Dendrocalamus giganteus, using a combined mechanical …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1471–1481 Read article
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Free radical scavenging effect of various extracts of Root of Shirisha (Albizia lebbeck (L.)Benth.) by DPPH method
Abstract: The study of antioxidants and free radicals in biology is producing medical revolution that promises a new age disease and health management. The present study was performed to evaluate the in vitro antioxidant effect of the methanol, ethyl acetate, hydro alcohol and water extracts of Albizia lebbeck (L.) Benth. by using DPPH method. The ethyl acetate extract exhibited significant inhibition in DPPH free radical formation with IC50 values of 70.5206. …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 10, Issue 3, 2019 · pp. 12–16 Read article
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Modified Cetyl Trimethyl Ammonium Bromide Method Improves DNA Quality and Quantity in Cotton: The Benchmark for Plant DNA Extraction
Abstract: A wide range of plant genomic DNA extraction or isolation methods are available; however, many of those are limited in their application for a diversified range of plant species. With special emphasis on robustness and versatility, we have improved the cetyl trimethyl ammonium bromide method and isolated high-quality DNA from cotton leaf samples. The major modifications made to the protocol described here were a reduction of sample treatment steps and …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 8, Issue 3, 2018 · pp. 15–19 Read article
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Effective CBIR System Using Color Histogram and Distance Measures
Abstract: AbstractInterests to precisely retrieve desired images from databases of medical images are developing every day. Certain features define the images; on the basis of those, the retrieval of images is facilitated. These components incorporate texture, color, shape and region. A lot of work has been done in this direction to discover the new ways to use these features in image retrieval process. In this study, we exhibit an overview of …
Published in Journal of Web Engineering & Technology · Vol. 6, Issue 1, 2019 · pp. 11–14 Read article
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Extraction of Essential Oil and Anti-bacterial Activity Determination of Cassia tora Seed on some Selected Microorganisms (Staphylococcus aureus, Trichophyton rubrum and Streptococcus species)
Abstract: Essential oils have been used for extensive applications of variety of wellness throughout documented history. With massive advancement in science, essential oils today have undergone numerous refining methods to give an improved effect. The aim of this study was to extract and investigate the functional properties of Cassia tora seed oil through analytical profiling using gas chromatography. In the gas chromatographic analysis two chromatographic conditions used were the same except …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 10, Issue 3, 2020 · pp. 12–20 Read article
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Green Analytical Chemistry in Pharmaceuticals: Pathways to Sustainability and Compliance
Abstract: This review paper explores the integration of green analytical chemistry (GAC) in the pharmaceutical industry as a pathway to EU compliance and environmental sustainability. The review highlights a range of studies that focus on the application of green solvents, green extraction methods, biocatalysts, and energy-efficient techniques. Key findings suggest that employ eco-friendly solvents, such as ethanol and water and methods, like ultrasound-assisted extraction (UAE) and supercritical fluid extraction (SFE), significantly …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 12, Issue 1, 2025 · pp. 7–12 Read article
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Enhancing Palm Print Recognition System
Abstract: Palmprint is the most popular and reliable feature of biometric system. From the palmprint different features can be extracted for recognition. In this paper the method of personal identification is based on broken lines and repeated lines of palm. The image of a palm captured from database contains not only the principal lines but also irregular lines like repeated lines and broken lines. The proposed method extracts the pattern lines …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 2, Issue 2, 2015 · pp. 61–69 Read article
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Antibacterial Activity of Plant Extracts and Its Phytochemical Analysis
Abstract: Emergence of multi-drug resistance in human and animal pathogenic bacteria as well as undesirable side effects of certain antibiotics has triggered immense interest in the search for antimicrobial drug of plant origin since there is no resistance developed to the drugs that are of plant origin. The antibiotic resistance was observed by testing with commonly used antibiotics against test microorganisms and then diameter of zone of inhibition was compared to …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 1, 2019 · pp. 1–11 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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Extraction and Characterization of Pectin from Malabar Tamarind, and Indian Wild Lime
Abstract: Pectin is a versatile heteropolysaccharide that is widely used in the food, pharmaceutical, and biomedical industries because of its gelling, stabilizing, and emulsifying properties. This review discusses the extraction of pectin from agro-waste peels of Malabar tamarind (Garcinia cambogia) and Indian wild lime (Citrus indica) using conventional acid hydrolysis under optimized conditions: pH 1.5–2.0, 85–90°C, and 90 minutes. The process resulted in 22.5% and 27.8% pectin yields, respectively, verified through …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 472–478 Read article
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Production and Properties Estimation of Algal Biodiesel
Abstract: The current study examines the production of biodiesel from algal biomass. The investigation was conducted to identify the optimum conditions for oil extraction and transesterification. Solvent extraction method with hexane/isopropanol as a solvent was used for oil extraction. Extracted algal oil was converted into biodiesel with conventional transesterification process, maximum yield was obtained at 1:6 molar ratio with 1 % concentration of NaOH as catalyst at 65°C. The systematic physio-chemical …
Published in Journal of Automobile Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 24–27 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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Design and Development of Mini-Groundnut Oil Extraction Machine for Domestic Purpose
Abstract: A machine is designed to extract various types of oil from groundnuts. The primary purpose of this machine is to facilitate the extraction of oil using a mechanical extraction method, specifically employing a screw press mechanism to crush the seeds and extract the oil. The design prioritizes portability, ease of use, and high extraction efficiency. It comprises several components, including the frame, hopper, gear reduction unit, pulleys, bearings, and power …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 2, 2025 · pp. 31–38 Read article
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Phenolic Compound Extraction from Leaves of Nyctanthesarbor-tristis
Abstract: Nyctanthes arbortristis is known as night-flowering jasmine and belongs to Oleaceae family. It is a fragrant white flowering shrub that is medicinally useful, sacred, and ornamental plant species. It is commonly grown in garden areas due to its pleasant fragrance and unique. The plant also growing on rocky areas in dry hillshades and is tolerant of moderate shade. It contains several phytochemicals like phenolic compound, flavonoids, tannins, alkaloids, saponins and …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 12, Issue 2, 2021 · pp. 72–76 Read article
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Adaptive Linear Gabor Response Pattern for Palm-print Recognition
Abstract: The advancement of the information society has increased the demand for secure identity systems in a wide range of applications, including financial transactions, forensics, border control, computer security, and law enforcement. Biometrics is an alternative method for accurate and trustworthy authentication in a highly networked society. It is the science of using behavioural (gait, keystroke, signature, etc.) and physiological (face, ear, finger, palmprint, DNA etc.) attributes to validate an individual's …
Published in Trends in Opto-electro & Optical Communication · Vol. 12, Issue 2, 2022 · pp. 1–12 Read article