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1850 articles for “Extracts”
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Extraction of Thevetia peruviana Seed Oil and Optimization of Biodiesel Production Using Alkali-catalyzed Methanolysis
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Crude Thevetia peruviana seed oil was used as a feedstock for biodiesel production using alkali-catalyzed methanolysis. Effect of various solvents and solvent combinations on the extraction of seed oil showed that chloroform is the best amongst all other solvent studied with 48% w/w oil yield. The optimized process conditions for Thevetia peruviana biodiesel production were an oil-to-methanol ratio of 1:6 w/w, catalyst …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 2, Issue 2, 2011 · pp. 8–16 Read article
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Anti-Ulcer Activity of Ethanolic Extract of Sesamum indicum Seed on Indomethacin-Induced Ulcer Model and Its Antioxidant Property in Gastro-Protection
Abstract: The present study was intended to investigate and evaluate the antiulcer activity of the ethanol seed extract of Sesamum indicum Linn. using Indomethacin Induced Ulcer in Albino rats and to determine its link between oxidant or antioxidant parameter. The extract of Seamum indicum Linn. was tested on indomethacin induced gastric ulcer in Albino rats. The antiulcer activity of high dose (400 mg/kg) and low dose (200 mg/kg) of ethanolic extract …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 5, Issue 2, 2015 · pp. 18–25 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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Anti-Ulcer Activity of Methanolic Extract of Mucuna Pruriens Seed on Indomethacin Induced Ulcers in Albino Rats
Abstract: The present study was intended to investigate and evaluate the antiulcer activity of the methanol seed extract of Mucuna pruriens using indomethacin induced ulcer in albino rats and to determine its link between oxidant or antioxidant parameter. The extract of Mucuna pruriens was tested on indomethacin induced gastric ulcer in albino rats. The antiulcer activity of high dose (400 mg/kg) and low dose (200 mg/kg) of ethanolic extract of Mucuna …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 5, Issue 2, 2015 · pp. 1–8 Read article
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Comparison between Methanolic and Ethanolic Extract of Calendula offcinalis (Antimicrobial agent) against Gram-Positive and Gram-Negative Bacteria
Abstract: The aim of the present study was to determine the antimicrobial study of methanolic and ethanolic extracts of marigold/zendu (Marathi) (Calendula officinalis linn.) petals against gram-positive and gram-negative pathogens. The antimicrobial study of C. officinalis extracts has been evaluated by disc diffusion method against number of bacteria and methanolic extract of C. officinalis exhibited better antibacterial activity against most of the bacteria tested, than ethanolic extract. Both methanol and ethanol …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 8, Issue 3, 2018 · pp. 22–25 Read article
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Fingerprint Pre-processing and Features Extraction
Abstract: Fingerprint is broadly utilized biometric recognizable proof to distinguish the personality of a man due unwavering quality and adequacy. Identification based on biometric is a well-known technique that recognizes identity of a person. Fingerprint identification system contains pre-processing (PP), features extraction (FE) and matching. In this study, we discussed about pre-processing (PP) and features extraction (FE). The pre-processing steps contain in this study are segmentation, normalization, Gabor filter. The main …
Published in Journal of Advancements in Library Sciences · Vol. 5, Issue 3, 2018 · pp. 40–45 Read article
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In vitro Anthelmintic and Antibacterial Potentialities of Methanol Extract from the Leaf and Bark of Lawsonia inermis Linn. (Family: Lythraceae)
Abstract: Due to the availability of the genus Lawsonia in Bangladesh, the present study was aim to investigate the phytochemical screening, anthelmintic and antimicrobial potentialities of methanol extract from the leaf and bark of Lawsonia inermis L. The phytochemical screening was performed by chemical group tests for both the extract which indicate the presence of several chemical groups including steroids, alkaloids, flavanoids, tannins and saponins. The anthelmintic activity was performed by …
Published in Research & Reviews : Journal of Botany · Vol. 4, Issue 2, 2015 · pp. 1–5 Read article
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Improvement of Yield of Bioactive Compounds and Antioxidant Activity of Moringa stenopetala Leaves by Optimizing Ultrasonic-assisted Extraction
Abstract: Ultrasonic-assisted extraction (UAE) parameters were optimized in this study using response surface methodology (RSM) to improve the total phenolic content (TPC), total flavonoid content (TFC), and antioxidant activity assessed using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) assays of Moringa stenopetala leaves. According to the results, the optimal UAE parameters were extraction time (26 min), ethanol concentration (68%), and solvent-to-sample ratio (42 mL/g). Based on these optimal parameters, …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 7, Issue 3, 2018 · pp. 1–11 Read article
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Phytochemical Study of Seed Extract of Phaseolus vulgaris
Abstract: Phaseolus vulgaris L. is usually known as kidney beans. It is a green medicinal plant that has a place with the family Fabaceae. Conventional arrangement of medication utilized this for the cure of few sicknesses such as diabetes, malignant growth, kidney issues, and so forth. For the present research work, the powdered plant seeds were dissolved consecutively in various solvents in increasing polarity order. Different phytoconstituents such as saponins, flavonoids, …
Published in Research & Reviews : Journal of Herbal Science · Vol. 9, Issue 3, 2020 · pp. 11–16 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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Study the Effect of Certain Plant Extracts in Blood Coagulation
Abstract: Blood is an essential component in human and other animals that deliver necessary substance such as nutrients and oxygen to cells and transport metabolic waste from cells. Blood performs much important function within body including supply of oxygen to tissues and supply of nutrients. During haemorrhage or bleeding the components of blood may lose which leads to severe illness to patient or sometimes death. Blood loss outside the body is …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 5, Issue 1, 2018 · pp. 13–19 Read article
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Antibacterial Activities of Crude Extract from Infected Cocoa Against Abscess Forming Bacteria
Abstract: In this study, the antibacterial activity of crude phytoalexin extracted from matured cocoa pod against abscess forming bacteria was investigated. The crude phytolexin was extracted using redistilled dichloromethane after five days of post infection. Different concentrations (50, 100, 150 and 200 mg/ml) of the extract were tested against abscess forming bacteria namely; Escherichia coli, Staphylococcus aureus, Klebsiella Pneumoniae, Pseudomonas aeruginosa and Enterococcus faecium using paper disc and agar diffusion methods. …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 2, Issue 3, 2015 · pp. 21–27 Read article
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Mirabilis Jalapa Flower Extract as Natural Food Dye and Green Cellular Delivery of Nanoparticles
Abstract: Use of artificial colouring agents in sweets and packed food has become a common scenario now a day, which pose serious consequences in consumers especially children. Various studies around the globe reported the serious health hazards of artificial food dyes which include organ damage of liver, kidney and lungs thereby affecting metabolic enzymes, serum creatine and urea levels and brain damage resulting in neurotoxicity and even behavioural deficits in children. …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 8, Issue 2, 2023 · pp. 27–34 Read article
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A Novel Approach to Fingerprint Authentication Using Histogram Oriented Gradients for Feature Extraction and Machine Learning Convolution Neural Network for Classification
Abstract: With applied biometrics, it is possible to identify a person by examining a feature vector of attributes derived from their physical and behaviour characteristics. In biometrics, fingerprints have become one of the most famous and well known techniques of identification and authentication. In light of technological advancements and safety, fingerprint recognition has been successfully used in a variety of Civil, Defence, and Commercial applications for more than a decade. The …
Published in International Journal of Wireless Security and Networks · Vol. 1, Issue 2, 2023 · pp. 1–12 Read article
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Assessment of Diuretic Activity of Hydroalcoholic Extract of Matricaria Chamomilla (Linn.) and Its Phytochemical Analysis with Emphasis on Toxicology
Abstract: While the traditional medicines are derived from medicinal plants, minerals and organic matter, the herbal drugs are prepared from medicinal plants only. This current research work will be very beneficial in figuring out the Matricaria chamomilla leaves extract diuretic effect by determining the ions and electrolyte excreted by the animals using ion selective channel inhibition. The phytochemical screening results revealed that the after which it was observed whether the alkaloids …
Published in Research and Reviews: A Journal of Toxicology · Vol. 14, Issue 1, 2024 · pp. 1–10 Read article
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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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Extraction of Copper from Electronic Waste (E-Waste): A Review
Abstract: The issue of electronic waste, or e-waste, is indeed a significant global concern with far-reaching environmental and health implications. As technology continues to advance and become more integrated into our daily lives, the disposal of obsolete or broken electronic devices has become a pressing issue. This waste not only contains valuable metals but also toxic substances, posing significant challenges for disposal and management. Improper disposal of e-waste is a significant …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 1, 2024 · pp. 14–27 Read article
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Extraction and Compound Analysis of Bauhinia acuminata: Soxhlet Method and Identification
Abstract: In the present study, the extraction and compound analysis of Bauhinia acuminata using the Soxhlet method, coupled with identification techniques, were conducted. Bauhinia acuminata L., a member of the Leguminosae (Fabaceae) family in the Caesalpinioideae subfamily, is a shrub usually reaching a height of around 3 m. It is native to tropical Southeast Asia and commonly found in the tropical regions of India and China. Primarily grown for ornamental purposes, …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 11, Issue 2, 2024 · pp. 18–23 Read article
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Comparison of Percentage Reduction of Total Petroleum Hydrocarbon on Treatment Using Bryophylum pinnatum Leaf: The Concept of Alcohol and Water as Solvent for Constituents Extraction
Abstract: Investigation on the comparison of percentage reduction of total petroleum hydrocarbon on treatment using Bryophylum pinnatum leaf was indeed, considered by using the concept of alcohol and water as solvent for constituents’ extraction. The extracts were introduced into the various bioreactors set-up and the Total Petroleum Hydrocarbon (TPH) concentration monitored with increase in contact period. The investigation revealed decreased in TPH concentration with increased in the percentage reduction of the …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 45–52 Read article
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Some Plant Extracts Potential in Cleaning Soil Environment Contaminated with Petroleum Hydrocarbon
Abstract: This research considered the trend of some agro-based plant extracts obtained from paw paw, mango and aloe-vera leaves for the purpose of treatment of a contaminated soil environment. The potential of each agro-based plant extract was tested with respect to its ability in the area of petroleum hydrocarbon clean-up in soil environment. The impact of the variation on the pH on each of the bioreactor set-up was monitored and the …
Published in Journal of Petroleum Engineering & Technology · Vol. 16, Issue 2, 2026 · pp. 27–39 Read article