Extraction of terpenoid?
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Terpenoids, also known as terpenes or isoprenoids, are a class of natural products with diverse biological activities. They are commonly found in essential oils and tree resins and have significant economic importance in various industries. The extraction of terpenoids from natural sources has been the focus of many studies, with the aim of developing green and sustainable extraction methods. Several techniques have been explored, including low-pressure methods such as microwave-assisted extraction (MAE) and ultrasound-assisted extraction (UAE), as well as high-pressure methods like extraction with supercritical fluids (SFE), subcritical water (SWE), and liquefied petroleum gas extraction (LPG) . Supercritical fluid extraction (SFE) using CO2 has been compared with traditional extraction methods and has shown advantages in the extraction of natural plant volatile oils, including terpenoids . Thermochemical activation methods, such as steam explosion and supercritical fluid extraction, have been used to improve the selectivity and efficiency of terpenoid extraction from plant materials . Various extraction methods have been developed to obtain essential oils with high yield and quality, including distillation techniques and new eco-friendly technologies .
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| Papers (5) | Insight |
|---|---|
01 Jan 2021 1 Citations | The paper discusses the extraction of natural volatile oil and terpenoids from plants using supercritical fluid extraction technology. It provides optimization parameters for the extraction process of terpenoids. |
Open access 30 Dec 2019 4 Citations | The paper discusses the extraction of terpenoids from aromatic and medicinal plants to obtain essential oils. |
28 Sep 2022 | The paper discusses various green extraction techniques, such as microwave-assisted extraction (MAE) and ultrasound-assisted extraction (UAE), for obtaining terpenoids-rich extracts from natural sources. |
| The paper discusses the extraction of terpenoid compounds from Juniperus communis wood using thermochemical activation and supercritical fluid extraction methods. | |
10 Jun 2016 109 Citations | The paper provides protocols for the extraction of terpenes/terpenoids from various plant sources, including methods for extracting terpenes/terpenoids with different levels of chemical decoration. |
Related Questions
Is maceration good extraction method for plants?5 answersMaceration is a commonly used extraction method for plants, but its effectiveness can vary depending on the specific plant and the compounds being extracted. Several studies have compared maceration to alternative methods such as ultrasound-assisted extraction (UAE) and found that the choice of extraction method can significantly impact the amount and quality of bioactive compounds extracted. For example, in the study by Leila Nateghi et al., it was found that UAE resulted in higher levels of phenolic and antioxidant compounds compared to maceration. Similarly, B. W. Debiasi et al.found that ultrasound-assisted extraction was a quicker and more efficient method for extracting bioactive compounds from Bougainvillea spectabilis compared to maceration. However, maceration can still be effective in certain cases. Saqib Farooq et al.mentioned that maceration is one of the conventional processing techniques used to extract green chemicals from plant materials. Therefore, while maceration may not always be the most optimal extraction method, it can still be a viable option depending on the specific plant and desired compounds.
How to do extraction of essential oil of plant?5 answersThe extraction of essential oil from plants can be done using various methods. Conventional methods include mechanical treatment, hydro-distillation (water distillation and steam distillation), cold pressing, solvent extraction, and soxhlet extraction. These methods are preferred due to their simplicity, cost-effectiveness, and wide applicability in different sectors. However, these methods have limitations and may require compromises in terms of yield, time, or quality. In recent years, researchers have explored novel green techniques such as microwave-assisted extraction, supercritical fluid extraction, ultrasonic extraction, and subcritical extraction. These methods consume less energy and time, are cost-effective, use less solvent, and have lower carbon dioxide emissions. The choice of extraction method depends on the nature of the essential oil, the solvent used, and the sensitivity of the process. Overall, there are various conventional and modern methods available for extracting essential oils, each with its own advantages and limitations.
What are the benefits of using plants as extraction for other plants?5 answersUsing plant extracts as a source of beneficial compounds for other plants has several advantages. These extracts have been found to have various activities such as antimicrobial, antifungal, and antiviral properties, which can help protect plants from diseases and pests. Additionally, plant extracts can act as biostimulants, enhancing the growth and yield of crops. They contain bioactive substances like polyphenols, alkaloids, and terpenoids, which have been shown to regulate adipogenesis and attenuate obesity. Plant extracts also have antioxidant abilities, making them useful as food additives to prevent undesirable changes in nutritional and sensory properties. Furthermore, these extracts can partially or fully replace synthetic antioxidants, reducing the potential health risks associated with synthetic additives. Overall, using plant extracts as extractions for other plants offers a sustainable and environmentally friendly approach to plant protection, crop enhancement, and food fortification.
What else could i extract during a solvent-mediated extraction from plants?5 answersSolvent-mediated extraction from plants can yield a variety of compounds, including essential oils with pharmacological properties, specific classes of plant-derived compounds, hydrophilic and hydrophobic phytochemicals, and carotenoids. These compounds have applications in pharmaceuticals, cosmeceuticals, insecticides, and food additives, making the extraction process versatile and valuable. Additionally, the use of green solvents, such as hydrotropes and ethyl lactate, enhances the extraction of phytochemicals, providing environmentally friendly alternatives for extraction processes..
Why ethanol is a suitable solvent for phytochemicals extraction?5 answersEthanol is a suitable solvent for phytochemical extraction due to its ability to effectively extract a wide range of compounds. Several studies have shown that ethanol extracts higher levels of phytochemicals compared to other solvents such as pure water or dichloromethane. Ethanol has been found to be particularly effective in extracting phenolic compounds, flavonoids, and antioxidants from various plant materials. It has also been shown to enrich the isolates in glycerolipids, free fatty acids, fatty alcohols, and other lipid classes. Additionally, ethanol has been found to result in polar isolates rich in glycolipids. The use of ethanol as a solvent for phytochemical extraction offers advantages such as economic feasibility, safety, and environmental friendliness. Therefore, ethanol is a preferred solvent for extracting phytochemicals from plant materials.
Why is ethanol used in making plant extraction?2 answersEthanol is used in plant extraction because it helps to preserve the quality of extracted DNA. Tropical plant species contain secondary compounds that can affect DNA quality during extraction, such as polysaccharides, phenols, and latex. Ethanol, specifically 96% ethanol, has been found to be a suitable preservative solution for plant samples prior to DNA extraction. It can effectively reduce or inactivate secondary metabolites that could contaminate or degrade genomic DNA, ensuring high-quality DNA extraction. Additionally, ethanol is also used in the extraction of plant liquid for generating a protein concentrate. It is mixed with flour to remove the oil content, and the de-oiled flour is then dried and used to extract the protein concentrate. Ethanol is also used in the extraction of oils and proteins from corn residue in a dry mill ethanol process.