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113 articles for “ethanolic extract”
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Extraction and Application of Natural Dye from Nerium oleander
Abstract: The present study involves extraction of dye from Nerium oleander flower using varied percentage (10%, 20%, 5%, 10%) of different solvents and different methods (water bath, sonicator bath, microwave oven and shaker incubator). Extraction with different solvents (distilled water, ethanol, chloroform, methanol) and extraction methods were found to exhibit differential extraction of dye and it was evident by the intensity of dye extract. Absorption maximum of the extracted dye using …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 1, 2019 · pp. 37–46 Read article
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Phytochemical Screening and Trace Element Analysis of Cryptomeria japonica
Abstract: The present study was aimed to investigate the preliminary phytochemical screening of the bark of Cryptomeria japonica belonging to family Cupressaceae. The bark of the plant were subjected to successive soxhlet extraction by continuous hot percolation method using organic solvents of increasing polarity such as ethanol. Both the extracts were subjected to qualitative phytochemical screening and it showed the presence of active constituents such as alkaloid, flavonoid, phenol and carbohydrates. …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 4, Issue 2, 2014 · pp. 17–20 Read article
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Extraction and Characterization of Antioxidants from the Seeds of Ethiopian Avocado Variety, Pinkerton
Abstract: The objective of this study was to extract and characterize the antioxidants from the Ethiopian avocado seeds of the Pinkerton variety, using ethanol as a solvent. Response surface methodology (RSM) in combination with Box-Behnken experimental design with a three level, three-factor mixture design was used to optimize the extraction condition for assessing the maximum yield of antioxidant from the avocado seeds. Ethanol concentration (%, v/v), temperature (°C) and time (h) …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 49–56 Read article
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Anti-Microbial Potential of Onion Peel Extracts
Abstract: Onion (Allium cepa L.) is a source of bioactive compounds, particularly flavonoids such as quercetin, and possesses antioxidant and beneficial properties to health. Onion skin, which is normally considered as waste, has more of these compounds compared to the edible portion. This research sought to isolate and analyze the antioxidant and antimicrobial activity of onion skin with ethanol and hexane using Soxhlet and column chromatography techniques. Antioxidant activity was maximum …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 15, Issue 3, 2025 · pp. 1–10 Read article
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Evaluation for Skeletal Muscle Relaxant Activity of Celosia Argentea
Abstract: To evaluate the different extracts of Celosia argentea seeds for skeletal muscle relaxant activity using different model of muscle grip. The skeletal muscle relaxant activity was carried out using Rota rod model in mice. Petroleum ether, ethanol and aqueous extracts had shown more significant activity by decrease in the fall of time. This activity may due to the phytochemical present in the extracts which were found in primary crude extract …
Published in Research and Reviews: A Journal of Toxicology · Vol. 8, Issue 1, 2018 · pp. 18–19 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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Preliminary Phytochemical Investigation of the Different Solvents of the Stem of the Anogesssuspendula: A Vulnerable Taxonomic Tree
Abstract: Medicinal plants are very important, and they are very useful kind of the gift of the nature. From the time remote, the plants and their various parts have been used for a variety of purposes. The development of the civilization has been correlated with the development and the utilization of the plants through various means. They are major sources of the medicines. In this research paper, we have worked on …
Published in Research and Reviews: A Journal of Health Professions · Vol. 9, Issue 1, 2019 · pp. 31–35 Read article
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Studies on Extraction of Flavonoids from Peel of Zingiber officinale
Abstract: Flavonoids are found in every part of the plant. These are separated from extraction process for preparation of drugs and pharmacological activities. In this research, bio flavonoids were enhanced from peel of Zingiber officinale. The optimitization of physico-chemical parameters are involved for extraction of bio flavonoids. Different Solvents, percentage solvents, time and particle mesh sizes are associated to the extraction process of flavonoids. In the extraction, the optimum parameters of …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 12, Issue 1, 2022 · pp. 5–10 Read article
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Screening Sweetpotato Breeding Clones [Ipomoea batatas (L.) Lam] as a Suitable Potential Source of Feedstock for Bioethanol Production
Abstract: Experiments were conducted to evaluate white and orange fleshed sweetpotatoes as a feedstock for bioethanol production, based on dry matter (DM), extractable starch, amylose-amylopectin ratio, fermentation times and ethanol yields. Ten sweetpotato cultivars viz., W308, TU0002, WS149 05, BM8342119 TU090W009, DMOI158096, DMOI158204, TIB4008, TIB4085 and, Beauregard, were planted in replicated field variety trials. Plants were established from 30 cm long vine cuttings and N was applied (P and K were …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 5, Issue 3, 2014 · pp. 6–12 Read article
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The Effect of Alcoholic, Aqueous and Crude Extracts of Lemon citrus Seeds on Staphylococcus and Klebsiella Bacteria
Abstract: Five isolates of staphylococcus bacteria identified by phytic were obtained and activated on solid saline mannitol medium, where the colonies appeared in a golden color. Three extracts of dry lemon seeds were prepared (raw, 1% aqueous extract, 1% alcoholic extract). It was celebrated that the aqueous quotation was added operative on bacterial progress than the alcoholic and rudimentary sources. Three isolates of Klebsiella bacteria identified by VITEK were also obtained, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 3, 2024 · pp. 32–36 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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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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Extraction and Purification of Total Phenolic Content from seeds of Dimocarpus longan fruit
Abstract: Total phenolic compounds are belonging to secondary metabolites and played an antioxidant and anti-cancer activity. In the Soxhlet extraction process, the extraction of total phenolic content concentration was 8.6 µg/ml obtained from seeds of longan fruit at 5 hr. This extract was drawn in to the column chromatography and its concentration was increased to 9.2 µg/ml. The purity of phenolic content was improved by column chromatography at 40 min. Keywords: …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 4, Issue 3, 2017 · pp. 19–21 Read article
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A Mini-Review on Spectral (UV Visible, FT-IR, 1H NMR, GC-MS) Analysis of Various Shaded Dried Leaves Extracts
Abstract: To collect the different types of leaves in various places, wash collected leaves with distilled water and dried these leaves in various processes like under shade dry for 15 days, place oven (45 oC) for 1 hour. Grind well using the above-dried leaves, so these leaves are changed to powder form. Utilize these shaded dried leaves powder, to prepare extract with solvents like methanol, ethanol, hexane, carbon tetrachloride, petroleum ether, …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 13, Issue 1, 2022 · pp. 1–8 Read article
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Comparative Exploration of Medicinal and Photosynthetic Occurrences of Coriandrum sativum, Menthapiperita and Spinacia oleracea
Abstract: AbstractPlants form a large group of valuable materials like medicines, alkaloids, flavonoids, carotenes, and chlorophylls. To evaluate these activities leaves of three plant samples i.e., Coriandrum sativum, Mentha piperita and Spinacia oleracea were used in this study and two organic solvents i.e., acetone and ethanol were used to extract the antibacterials and antioxidants from plant samples. Total flavonoid content, total phenolic content and 1,1-Diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging methods were …
Published in Research & Reviews : Journal of Herbal Science · Vol. 2, Issue 3, 2013 · pp. 15–23 Read article
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Wound Healing Potential of Medicinal Plants: A Review
Abstract: Wound healing is an integrated cellular and biochemical process of restoring normal structure functions of damaged tissue. Healing is a natural phenomenon by which body itself overcome the damaged to the tissue, but the rate of healing is very slow and chance of microbial infection is high. Improvement in healing process can be accomplished either by shortening the time required for healing or to minimize the undesired consequences. India has …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 4, Issue 2, 2017 · pp. 17–40 Read article
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SIMULATION OF ETHANOL DISTILLATION USING CHEMCAD
Abstract: Aiming for Sustainable and low-Cost operation of ethanol distillation. The recovery step is usually carried out during the distillation process and is challenging, particularly regarding purity, operating cost issues. This study aimed to evaluate the ethanol distillation from ethanol-methanol and water mixture as a function of the reflux ratio in a process employing a Fractionating column. Test were performed using a standard mixture of ethanol, methanol and water using total …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 2, 2019 · pp. 1–6 Read article
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Detection of Active Compounds in Ulothrix sp. Algae
Abstract: The study included the identification of some active chemical compounds from blue-green algae Ulothrix and the production of many active compounds using algae extract. Algae are a talented cause of defiant corpulence mediators, as plump positions are an international hazard to human wellbeing. It is also linked to metabolic syndrome, type 2 diabetes, heart disease and blood vessels, anti-obesity agents from algae are represented by four main compounds with (Phlorotannins, …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 3, 2024 · pp. 39–43 Read article
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High Performance Liquid Chromatographic Analysis and Antibacterial Activity of Methanolic Seed Extract of Syzygium cumini L.
Abstract: Syzygium cumini is a medicinally important plant widely used in traditional systems of medicines specifically Ayurveda followed in India. The seeds of the plant are recognized in various bio medicines for the treatment of diabetes. It is reasonable source of natural antioxidants used in dietary supplement of food and bioactive substances in cosmetics and pharmaceutical industries. In the present study, Syzygium cumini (jamun) seeds were collected from the Alagar Kovil …
Published in Research & Reviews : Journal of Herbal Science · Vol. 11, Issue 2, 2022 · pp. 23–30 Read article
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Studies on Extraction of Bioflavonoids from Seeds of Cucumis melo
Abstract: Cucumis melo belongs to Cucurbitaceae family. It contains high-content of bioflavonoids (quercetin and rutin) and phenolic compounds. It shows various pharmacological activities like anti-cancer, anti-oxidant, anti-ulcer, anti-diabetic, anti-helminthic. In this research, the optimization of physico-chemical parameters like effects of different solvents, solvent percentages, pH, extraction time and particle mesh size for the extraction of bioflavanoids from seeds of Cucumis melo have been studied. For the extraction of quercetin, the optimum …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 11, Issue 3, 2020 · pp. 43–48 Read article