Topic 2 "Extraction of certain components from plants" ppt-Luke edition elective 6 courseware

Luke Edition Elective 6 Topic 2 "Extraction of Certain Components in Plants" ppt Learning Objective 1. Understand the general method of separating and extracting inorganic substances or pigments from plants. 2. Understand the relationship between the solubility and structure of substances, and understand the principle of "similar dissolution". 3. Learn the basic operations of extraction and liquid separation. 4. Understand the basic principles of chromatography and paper chromatography, and further realize the practical value of paper chromatography to separate substances.

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