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Table 1 Effect of different extraction solvents and methods on zerumbone content of Z. zerumbet

From: Optimization of microwave-assisted extraction of zerumbone from Zingiber zerumbet L. rhizome and evaluation of antiproliferative activity of optimized extracts

Extraction methods

Ethanol

Methanol

n-Hexane

Chloroform

Reflux

3.76 ± 0.03c

3.24 ± 0.08f

3.26 ± 0.07f

2.81 ± 0.01i

Microwave

4.82 ± 0.07a

4.06 ± 0.05b

4.07 ± 0.05b

3.36 ± 0.02e

Soxhlet

3.70 ± 0.06c

3.12 ± 0.02h

3.18 ± 0.04g

2.66 ± 0.01j

Sonication

4.11 ± 0.10b

3.55 ± 0.04d

3.25 ± 0.06f

3.1 ± 0.03h

  1. All analyses are the mean of triplicate measurements ± standard deviation. Means not sharing a common letter were significantly different at P < 0.05. Unit is: mg/g DM