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Why ethanol is best solvent in plant extraction study? 

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Ethanol is considered the best solvent in plant extraction studies due to its efficiency in extracting bioactive compounds from various plant parts. Studies have shown that ethanol as a solvent can provide high extraction yields of important compounds like phenolics, flavonoids, terpenoids, and antioxidants. Additionally, ethanol has been found to result in extracts rich in glycolipids and polar compounds, making it suitable for specific applications requiring these components. Furthermore, ethanol has been proven to facilitate DNA extraction from plant tissues, improving DNA quality and yield when combined with specific pretreatment methods. Overall, the versatility and effectiveness of ethanol as a solvent make it a preferred choice in plant extraction studies for obtaining a wide range of bioactive compounds.

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Papers (5)Insight
Open access•Journal Article•DOI
Extraction Processes with Several Solvents on Total Bioactive Compounds in Different Organs of Three Medicinal Plants.
Nour El Houda Lezoul, Mohamed Belkadi, Fariborz Habibi, Fabián Guillén 
13 Oct 2020-Molecules
50 Citations
Ethanol was found to be the best solvent for flavonoid extractions in the study due to its effectiveness in extracting bioactive compounds from Passiflora, Physalis, and Solanum plants.
Journal Article•DOI
Solvent Extraction and Its Effect on Phytochemical Yield and Antioxidant Capacity of Woody Medicinal Plant, Polyalthia bullata
Munirah Adibah Kamarul Zaman, Azzreena Mohamad Azzeme, Siti Nur Hafizah Ramli, Noor Azmi Shaharuddin, Syahida Ahmad, Siti Nor Akmar Abdullah 
29 Oct 2020-Bioresources
5 Citations
Ethanol is the best solvent for extracting phenolics from Polyalthia bullata roots due to higher efficiency, while methanol is superior for antioxidant capacity in leaf and woody parts.
Open access•Journal Article•DOI
Suitability of Solvent-Assisted Extraction for Recovery of Lipophilic Phytochemicals in Sugarcane Straw and Bagasse
Francisca S Teixeira, Lígia L. Pimentel, Susana S. M. P. Vidigal, Paula T Costa, Manuela Pintado, Luis M. Rodríguez-Alcalá 
01 Sep 2022-Foods
1 Citations
Ethanol is the best solvent in plant extraction due to its ability to extract both polar and non-polar lipids, resulting in higher yields and a wider range of molecules.
Open access•Journal Article•DOI
Ethanol preservation and pretreatments facilitate quality DNA extractions in recalcitrant plant species
Gabriel Johnson, Steven W. J. Canty, Isaac H. Lichter-Marck, Jun Wen 
01 Jun 2023-Applications in Plant Sciences
4 Citations
Ethanol is a preferred solvent in plant extraction due to its ability to preserve tissues, facilitate DNA extraction, reduce fragmentation, and enhance DNA yield and quality in recalcitrant plant species.
Open access•Journal Article•DOI
Extraction of oil from mishes using ethanol as an alternative solvent
Teresa M.M. Victor, António André Chivanga Barros 
20 Jun 2023-Studies in Engineering and Exact Sciences
Ethanol is an ideal solvent for plant extraction due to its high efficiency in extracting corn germ oil, as shown in the study, offering comparable results to conventional solvents.

Related Questions

How does the use of 95% ethanol affect the extraction process during maceration?5 answersThe use of 95% ethanol in the extraction process during maceration has been shown to significantly impact the efficiency and yield of bioactive compounds. Research on various substances like cannabinoids from Cannabis, bioactive compounds from Pleurotus ostreatus, and antioxidants from cocoahighlights the influence of ethanol concentration. Specifically, the study on Pleurotus ostreatus found that 95% ethanol with a specific solid to solvent ratio allowed maximum efficiency for extracting proteins. Additionally, the research on cannabinoids demonstrated that extracting lipophilic cannabidiol in 95% ethanol through percolation resulted in a significantly higher total CBD yield compared to maceration. Therefore, the use of 95% ethanol can enhance the extraction process during maceration by improving the efficiency and yield of bioactive compounds.
Ethanolic extraction is organic?5 answersYes, ethanolic extraction can be organic. In the context of propolis extraction, ethanolic extract of propolis (EEP) is obtained through ethanolic extraction of organic propolis resin, which is rich in bioactive compounds. The residues from this extraction process, composed of wax, resins, and gums, can still contain bioactive compounds suitable for applications like animal feed. Additionally, the recovery of ethanol from ethanol-water solutions using solvent extraction with liquid or supercritical carbon dioxide can significantly reduce energy requirements, making the process more environmentally friendly. Furthermore, an organic extraction system described in another study emphasizes the closed-loop system's ability to recover and reuse solvents, showcasing an eco-friendly approach to organic extraction.
How does extraction solvents affect the output of plant extraction?5 answersExtraction solvents play a crucial role in determining the output of plant extraction processes. Different solvents can impact the yield, purity, and quality of extracted compounds. Solvents like short-chain alcohols and salts in aqueous two-phase systems (ATPS) have been shown to improve the purity of extracts while enhancing extraction efficiency, especially when aided by ultrasound or microwave techniques. Factors such as solvent type, incubation time, and solvent-to-sample ratio significantly influence the extraction of compounds like anthocyanins from plants, with methanol and water-based solvents often yielding better results. Various extraction methods, including traditional techniques like maceration and innovative methods like microwave extraction, supercritical fluid extraction, and sonication, impact the success of extracting bioactive phytochemicals from plants. Additionally, the choice of solvent and extraction method can affect the composition of phytochemicals in the final extract.
Effectiveness of ethanol as a solvent in plant extraction for anticoagulant studies?4 answersEthanol has been evaluated as a solvent for plant extraction in anticoagulant studies in various research papers. Studies have shown that ethanol extracts of certain plants like Thymbra spicata and Satureja thymbra possess strong anticoagulant effects, significantly prolonging both Prothrombin time (PT) and Activated partial thromboplastin time (aPTT) values. Additionally, Origanum vulgare extracted with ethanol exhibited anticoagulant activity, making it a potential source for natural anticoagulant agents. Furthermore, in the evaluation of different organic solvents for plant extraction, ethanol extracts of Papaya and Congress grass demonstrated notable blood anticoagulant activity. Therefore, ethanol has shown effectiveness as a solvent in extracting plant compounds with anticoagulant properties, highlighting its significance in anticoagulant research.
What type of solvents were used in extraction?5 answersDeep eutectic solvents (DES) and natural deep eutectic solvents (NADES) were used as solvents in the extraction processes. Supercritical fluids, ionic liquids, and deep eutectic solvents were investigated as potential green solvents. Deep eutectic solvents (DESs) were used as a promising tool in dispersive liquid-liquid micro-extraction (DLLME). Green solvents such as water, ethanol, ethyl acetate, carbon dioxide, ionic liquids, and terpenes were used in modern extraction methods.
Why does ethanol does not maximize the extraction yiel in seed samples?3 answersEthanol does not maximize the extraction yield in seed samples because its presence only increases the rate of extraction, but it is not required for extraction. Other solvents, such as hexane and isopropanol, can be used as cosolvents to improve the solubility and yield of oil extraction from seeds. Additionally, ethanol can be used as a pretreatment to facilitate DNA extraction from plant tissues, resulting in less fragmented DNA and increased yield. In the case of radish seeds, pressurized ethanol extraction at specific conditions, such as a flow rate of 3 mL/min, a static time of 10 min, and a temperature of 150 °C, can enhance oil yields. However, in a liquid stream capture process for extracting components in a dry mill ethanol process, a dilute solvent stream of ethanol and water is used to separate sugars/carbohydrates, while a concentrated solvent stream of pure ethanol is used to extract oils and proteins from corn residue.

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