Table 3 Amount of DK, DDK and labdadiene in aqueous and ethanol extracts from six different structures of A. zerumbet

Rhizome

Aqueous

1.23 ± 0.03 a

0.62 ± 0.02 b

0.81 ± 0.03 b

Ethanol

1.14 ± 0.01 b

0.08 ± 0.01 fg

0.00 ± 0.00 c

Stem

Aqueous

0.79 ± 0.03 de

0.30 ± 0.01 d

0.00 ± 0.00 c

Ethanol

0.95 ± 0.01 c

0.17 ± 0.02 e

0.00 ± 0.00 c

Leaf

Aqueous

0.86 ± 0.02 d

0.46 ± 0.02 c

0.00 ± 0.00 c

Ethanol

0.80 ± 0.01 de

0.07 ± 0.02 fg

0.00 ± 0.00 c

Flower

Aqueous

0.12 ± 0.02 f

0.11 ± 0.01 f

0.00 ± 0.00 c

Ethanol

0.83 ± 0.02 de

0.06 ± 0.01 fg

0.00 ± 0.00 c

Pericarp

Aqueous

1.15 ± 0.03 b

0.85 ± 0.03 a

0.75 ± 0.04 b

Ethanol

0.79 ± 0.03 de

0.11 ± 0.01 f

0.00 ± 0.00 c

Seed

Aqueous

0.94 ± 0.02 c

0.05 ± 0.01 g

0.96 ± 0.01 a

Ethanol

0.78 ± 0.02 e

0.06 ± 0.02 fg

1.00 ± 0.09 a