Cold Extraction Method:
The
different plants parts dried in an artificial environment at low temperature
(50-60 °C) and dried powder then further used for extraction purpose using
various solvents. Weigh the dried powder and added into conical flask with
respective solvents and allow keeping at room temperature for thirty minute
shaking after each twenty four hours for seven days. Finally filter the extract
using whatman filter paper under vacuum and dry it at room temperature in watch
glass dish.Note down the weight of each dish prior to drying of the extracts
and after drying too.Calculate the weight of the extract from the difference.
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