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Table 3 Extraction yields of curdione, furanodienone, curcumol and germacrone from Curcuma wenyujin by ultrasonic extraction, SD extraction and maceration extraction

From: Optimization and in vitro antiproliferation of Curcuma wenyujin’s active extracts by ultrasonication and response surface methodology

Extraction methods

Extraction solvents

Extraction time

Curdione (mg g−1)

Furanodienone (mg g−1)

Curcumol (mg g−1)

Germacrone (mg g−1)

Total yield (mg g−1)

Ultrasonic extraction

70 % ethanol

20 min

2.00

1.56

0.25

0.41

4.22

SD extraction

Pure water

20 min

1.38

1.42

0.22

0.32

3.34

Maceration extraction

70 % ethanol

20 min

1.46

1.12

0.20

0.27

3.05

SD extraction

Pure water

1 h

1.89

1.52

0.24

0.39

4.04

Maceration extraction

70 % ethanol

2 h

1.94

1.52

0.26

0.38

4.10

  1. SD means steam distillation