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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