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On a paper, draw a schematic diagram on the Extraction of Flavonoids using the procedures stated below.
Procedure:
Extraction of Flavonoids
- Weigh 10 g of the shade dried plant sample and chop into small pieces.
- Macerate with 200 mL 70% ethanol for 3 days at room temperature (25°C).
- Filter the extracts in vacuum using Whatman filter.
- Evaporate to dryness.
- Weigh the residue and compute the percentage yield.
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