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Table 1 Extraction yields and content of phenolic compounds in the crude and fractionated extracts of Alpinia pahangensis

From: Antioxidant potential, cytotoxic activity and total phenolic content of Alpinia pahangensis rhizomes

Extract/fractions Weight of extracts (g) Total phenolic content (mg/g)
Crude methanol 31.19 0.75 ± 0.07c
Hexane 1.87 0.25 ± 0.03a
Ethyl acetate 2.70 1.09 ± 0.11d
Water 24.43 0.61 ± 0.02b
  1. Values expressed are mean ± SD of triplicate measurements. Means with different letters (a-d) in the same column are significantly different (p < 0.05). mg/g: mg of gallic acid equivalents/g of extract or fractions.