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336 articles for “Chemical compounds”
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Influence of Catalyst Type and Reaction Conditions on Biodiesel Conversion of Pine and Soapnut Oils
Abstract: Biodiesel produced from non-edible oils is becoming an important replacement for petroleum diesel because it is renewable, environmentally friendly, and suitable for use in existing diesel engines. It helps reduce air pollution, lowers dependence on fossil fuels, and supports sustainable energy development. Pine oil and soapnut oil are two promising non-edible feedstocks because they are easy to obtain, inexpensive, and contain chemical compounds that can be effectively converted into biodiesel. …
Published in Journal of Automobile Engineering and Applications · Vol. 12, Issue 3, 2025 · pp. 39–48 Read article
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Qualitative Detection of Active Compounds of Some Extracts: The Medicinal Plant
Abstract: This study aimed to prepare aqueous extracts of the seeds of the following plants (Apium, Coriandrum, Trigonella, Punica, Linum,, Cinnamon, and Ocimum) to detect the active compounds in them represented by (saponins, tannins, phenols, alkaloids, and glycosides). The study concluded that the presence of alkaloids in the extracts of Apium, Trigonella, Punica, and Ocimum, and their absence in the remaining extracts. Phenols were observed in the extracts of Trigonella, cinnamon, …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 3, 2024 · pp. 48–53 Read article
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Comparative Analyses of Select Microbial Growth Inhibited Rate Models
Abstract: Food waste is a complex substrate comprising of different mixtures of chemical compounds. The growth rate of micro-organism in such environment will experience inhibition. Consequently, the Monod’s model will not be able to describe the growth rate of its bacteria. The Aiba’s, Andrews and the Haldane’s growth rate models that are accounts for growth rate of bacteria with inhibition were compared. To do this, seven different batch experimentations; each with …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 15, Issue 1, 2024 · pp. 16–24 Read article
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Impact of Lubricant Additives on Friction Reduction and Wear Prevention in Machinery
Abstract: Lubrication is essential for ensuring the lifespan and operating efficiency of machinery because it minimizes wear and reduces friction. Modern lubricants are made up of several chemical compounds called lubricant additives, which are essential to boost the lubricant's ability to reduce wear and friction. This study thoroughly examines how lubricant additives affect wear prevention and friction reduction in equipment. This work attempts to break down the principles behind the efficacy …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 1, Issue 2, 2023 · pp. 1–6 Read article
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Mapping the Landscape of Neem Tree Research: Insights into Chemicals and Polymers through Bibliometric Exploration
Abstract: Azadirachta indica A. Juss, often referred to as Neem, is a rapidly developing tree that falls under the Meliacea family. For more than two millennia, Indians has relied on neem oil for its healing properties. Thus, to know the importance of neem tree, the study is needed. The Neem tree has been a subject of extensive research owing to its diverse array of chemicals and polymers with multifaceted applications. This …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 144–154 Read article
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Evaluation of Chemical Constituents of Terminalia Arjuna Bark: As a Cardio-Protective Agent
Abstract: In the past, the primary source of medicinal agents was herbal remedies. One such medicinal plant that is well known for its many therapeutic benefits, particularly its cardiovascular effects, is Terminalia arjuna (TA). The therapeutic effects of these substances are due to a wide range of natural chemical compounds, such as flavonoids, polyphenols, triterpenoids, tannins, glycosides, minerals, proteins, and others. These compounds work together to provide the health benefits associated …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 16, Issue 1, 2025 · pp. 1–6 Read article
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Chemical Patents and Filing Practices in India: Trends, Processes, and Legal Framework
Abstract: India, recognized as the fifth-largest global economy, holds the 7th position in the chemical sector and ranks 11th in chemical and petrochemical exports worldwide. Despite this significant standing, the country witnesses comparatively fewer patent applications in this domain. The global chemical and petrochemical industry, although complex in nature, serves as a critical element of economic development and supply chain operations. This paper explores the interconnectedness of innovation, patents, and chemical …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 163–171 Read article
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Advances in Analytical Chemistry Research Methodology: Trends and Applications
Abstract: Analytical chemistry is critical to scientific study because it allows for the accurate identification, measurement, and characterization of chemical compounds. Recent advances in methodology have improved accuracy, sensitivity, and efficiency, with techniques such as High-Performance Liquid Chromatography (HPLC), Gas Chromatography (GC), Mass Spectrometry (MS), and Nuclear Magnetic Resonance (NMR) spectroscopy transforming analytical procedures. The combination of Artificial Intelligence (AI) and Machine Learning (ML) has enhanced data processing, pattern recognition, and …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 2, 2025 · pp. 10–18 Read article
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Use of Modified and Unmodified Calcium Oxide from Bio-resources as Heterogeneous Transesterification Catalyst for Biodiesel Synthesis: A Review
Abstract: Metal oxides have been widely used to catalyze various types of organic reaction, whatever supported or nonsupport metal oxide catalysts (supported with metal, mixed oxides and acids such as sulphoric acid). Calcium oxide is one of the most metal oxides used as heterogeneous catalysts; due to its favorable properties such as high activity, availability, low cost, and easily separated, as well as environmental friendly. Calcium oxide whether laboratory, prepared from …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 3, 2022 · pp. 30–34 Read article
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Steel inhibitors of gas well steels
Abstract: Corrosion inhibitor is chemical compound or substance that, when added in small concentration to an environment, effectively decreases the corrosion rate. Multiphase oil and gas well flowlines at subsea has studied to corrode by contamination of CO2 gas at different temperature, partial pressure, velocity of flow and properties of scale formed at inner wall. Irrecoverable localized corrosions cause failure of structures those are beyond effects of corrosion inhibitors. Pollution of …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 2, 2019 · pp. 23–33 Read article
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Automated Beach Cleaner
Abstract: Researches on marine particles have substantially accelerated our knowledge of the extent and composition of marine particles as well as its influences on the marine environment, aquatic life and people. Marine particles are very hazardous to marine organisms which include plants, invertebrates, fish, seabirds, sea turtles and particularly large marine mammals. Marine particles lift plastic liters that are composed of commercial chemicals or toxins. These chemical compounds may be adverse …
Published in Trends in Machine design · Vol. 8, Issue 2, 2021 · pp. 40–46 Read article
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Ascidians as the Potential Bioindicators of Marine Ecosystem: A Review
Abstract: Ascidians belonging to the ‘Phylum Chordata’ are effectively used as bio-indicators of anthropogenic disturbance in marine ecosystems. Each and every day marine coastal communities are exposed to several chemical compounds which are commonly used in agriculture and industrial activities. Among the various criteria, functional qualities may represent useful tools for monitoring environmental impact in coastal areas, in order to consider the impact of anthropogenic activities on the aquatic ecosystem and …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 6, Issue 1, 2016 · pp. 1–5 Read article
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Review article: Common Sources of Groundwater Depletion
Abstract: The information about the effects of ozone depletion on people was examined and collated as part of a review paper from a variety of articles that were published in reputable international journals, annual/environmental reports from reputable organizations and e-books. There is discussion of the elements affecting water contamination. Water pollution is the largest problem the world is now facing. Pure water is getting harder to find every day because to …
Published in Journal of Water Pollution & Purification Research · Vol. 9, Issue 2, 2022 · pp. 14–18 Read article
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Study of Heavy Metal Ions and Its Removal from Wastewater by Using Activated Carbon as Waste Tire Rubber
Abstract: The purpose of this study is to identify various methods that are available for treating industrial waste water using different methods. The effluent stream released from the industries carries various hazardous chemical compounds and heavy metal ions. Heavy metal pollution has become a critical environmental challenge facing the world nowadays. Hence it has become important to eliminate those heavy metals from the effluent due to their toxicity.
Published in Journal of Water Pollution & Purification Research · Vol. 10, Issue 1, 2023 · pp. 28–35 Read article
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Studies on the Proximate Composition of Yogurt Enriched with Pink Guava Powder
Abstract: Dietary fiber and bioactive chemicals, which have been extensively investigated for their potential health advantages, have recently found new uses in the food and dairy industries. Taking into account the present surge in demand of consumers, an effort is made to increase the nutritional parameter of yogurt, notably the amount of dietary fiber, by the incorporation of freeze-dried pink guava powder (FPGP). The yogurt was made by varying its concentration …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 12, Issue 1, 2023 · pp. 1–12 Read article
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Preliminary Phytochemical Analysis and Haemolytic Activity Assay of Tuber Extract of Ruellia tuberosa L.
Abstract: Presence of certain chemical compounds is responsible for medicinal properties of the plant. In the present study, the various biochemical tests were conducted to examine the presence of various phytochemicals in the methanolic, petroleum ether and chloroform tuber extracts of Ruellia tuberosa L. Also, the extracts were subjected to the in vitro haemolytic activity assay. The tests confirmed the presence of carbohydrates, alkaloids, tannins, terpenoids and flavanoids in all the …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 7, Issue 3, 2017 · pp. 23–27 Read article
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Paeonia emodi: An Ethnopharmacological and Phytochemical Review
Abstract: This review is an attempt to evaluate the phytochemical potential of the Paeonia emodi and covers the pharmacological and ethnopharmacological activities of its chemical constituents, newly isolated chemical compounds and their medicinal importance. P. emodi is used in several traditional medicinal systems in China, Korea, Pakistan, India and Thailand. Different isolated natural products like anthraquinones, terpenoids, tannins, carbohydrates, phenolics and tannins, glycosides, paeoniflorin, lactiflorin, oxypaeoniflorin, cycloartenol, cholesterol, sitosterol, campesterol, emodinol, …
Published in Research & Reviews : Journal of Herbal Science · Vol. 6, Issue 2, 2017 · pp. 11–20 Read article
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Chemical Constituents of Heracleum candicans Wall
Abstract: ABSTRACTHeracleum candicans Wall. (Fam., Umbellifereae), commonly known as cowparanship, is frequently used in the treatment of spasmodic, mutagenic, dermal photosensitizing, skin diseases, anti-tuberculosive and anticonvulsive activity and antimicrobial activities. This review summarizes the chemical constituents (furanocoumarin, coumarin and other chemical compounds) present in Heracleum candicans Wall. This plant species is a rich source of furanocoumarin, coumarin, fatty acids and their derivatives.Keywords: Heracleum candicans Wall., cowparanship, skin diseases
Published in Research & Reviews : Journal of Herbal Science · Vol. 1, Issue 2, 2012 · pp. 1–9 Read article
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The Bhut Jolokia Chilly and the Capsaicin Factor
Abstract: AbstractThe Bhut Jolokia was accepted by Guinness World Records in 2007 as the world’s spiciest chilly. It has a hotness of 1,041,427 SHU (Scoville Heat Units). The chilly is grown and eaten in India’s northeastern states such as Arunachal Pradesh, Assam, Nagaland, Manipur, Meghalaya, Sikkim and Tripura, referred as the hot spots for chilly diversity due to their unique ecological conditions and also, in countries like Bangladesh and Sri Lanka. …
Published in Research & Reviews : Journal of Herbal Science · Vol. 8, Issue 3, 2019 · pp. 9–12 Read article
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Phytochemical Investigation, Safety and Efficacy Evaluation of Calpurnia aurea (ssps): Commonly Used Traditional Medicinal Plant in Ethiopia: A Compressive Review
Abstract: In Ethiopia, Calpurnia aurea (digita), a traditional medicinal plant is used for the treatment of syphilis, malaria, rabies, diabetes, hypertension, diarrhoea, leishmaniasis, trachoma, elephantiasis, fungal diseases and different other ailment of human and animals. It is important to find a scientific evidence for the traditional use and standardization of the medicinal plant to ensure safety, efficacy and quality through preliminary phytochemical screening, analysis, safety and efficacy studies. Based on this …
Published in Research & Reviews : Journal of Herbal Science · Vol. 9, Issue 3, 2020 · pp. 23–31 Read article