Extraction Methods and Solvents Study

Highly selective, non-reactive, low price, harmless, volatile, non-miscible with water, high capacity, different density from water, low viscosity

Solvent interacts with plant cells under the influence of microwave radiation to facilitate compound extraction.

Nature of drug, solvent, temperature, pH, particle size

<p>Faster extraction, higher yield, reduced solvent consumption</p> Signup and view all the answers

<p>Pharmaceuticals, food industry, environmental analysis</p> Signup and view all the answers

<p>Ethanol, methanol, chloroform</p> Signup and view all the answers

<ol> <li>Be highly selective for the compound to be extracted. 2. Have a high capacity for extraction. 3. Not react with the extracted compound or other compounds.</li> </ol> Signup and view all the answers

<p>Different active constituents require advanced knowledge, insoluble matters can affect the process, and wet material can lead to microbial growth.</p> Signup and view all the answers

<p>Petroleum ether: Fixed oils, Phytoglycerols; Benzene: Fixed oils, Phytosterols; Chloroform: Alkaloids; Acetone: Phytosterols; Ethanol: Carbohydrates, Glycosides; Water: Proteins, Amino acids, Glycosides, Gums, Carbohydrates.</p> Signup and view all the answers

<p>Faster extraction process compared to traditional methods.</p> Signup and view all the answers

<p>High initial setup cost of ultrasound equipment.</p> Signup and view all the answers

<p>Used in extracting bioactive compounds from plant materials, food, and pharmaceutical industries.</p> Signup and view all the answers

<p>Extraction is the method of removing active constituents from a solid or liquid by means of liquid solvent.</p> Signup and view all the answers

<p>Extracts are preparations of crude drugs containing all the constituents soluble in the solvent.</p> Signup and view all the answers

<p>Marc is the solid residue obtained after extraction.</p> Signup and view all the answers

<p>Menstruum is the solvent used for extraction.</p> Signup and view all the answers

<p>Dry extract (e.g., belladonna extract), Soft extract (e.g., glycerrhiza extract), Liquid extract (e.g., tincture).</p> Signup and view all the answers

<p>Extractive substances are released by the dissolution out of disintegrated cells, diffusion out of intact plant cells, penetration of solvent into the cells, and swelling of cells.</p> Signup and view all the answers