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. 2012 Jul 24;12:106. doi: 10.1186/1472-6882-12-106

Table 3.

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

Sample Extraction Amount of compound (mg/ g crude extracts)
DK DDK Labdadiene
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

1 The data represent the means ± SD of three determinations. Values with the same letter in one column are not significantly different (p = 0.01) from each other.