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Table 1 Different preparation method of ganjiang decoction

From: The comparison of extraction methods of ganjiang decoction based on fingerprint, quantitative analysis and pharmacodynamics

Method Extraction
Reflux extracted with distilled water for 30 min twice, decompressed subsequently, concentrated to a thickening paste, dried at 60 °C. Reflux extracted with 50% alcohol for 60 min, decompressed subsequently, concentrated to a thickening paste, dried at 60 °C. Fine powder
1 Extract combination together   Combination
2 Extract combination together,
Extract combination separately
  Combination
3 Extract combination together Combination Combination
4 Extract combination together,
Extract combination separately
  A little Combination , Combination
5 Extract combination together Combination A little Combination , Combination
  1. Combination : Zingiberis Rhizoma and Angelicae Sinensis Radix; Combination : Coptidis Rhizoma and Phellodendri Chinensis Cortex; Combination : Sanguisorbae Radix and Granati Pericarpium. Combination : Asini Corii Colla. The total quantity of Combination in method 4 and method 5 was the same as that in other methods. The amount of fine powder added was one-sixth of the amount extracted by solvent