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Table 1 Minimum inhibitory concentration (MIC) values and purification factor of the extract and fraction type against P. intermedia and P. gingivalis

From: Antimicrobial activities of stearidonic and gamma-linolenic acids from the green seaweed Enteromorpha linza against several oral pathogenic bacteria

Extract and fraction type P. intermedia P. gingivalis Yield (%)
MIC (μg/mL) Purification factor MIC (μg/mL) Purification factor
E. linza powder - - - - 100
Methanol extract 625* 1 312.50* 1 20.10
Fraction III (chloroform fraction) 625 21 156.25 23 2.93
Sephadex fraction No. S14 78.12 24 19.53 26 0.12
HPLC fraction No. S14-1 156.25 23 39.06 25 0.0058
HPLC fraction No. S14-2 (SA) 39.06 25 9.76 27 0.0063
HPLC fraction No. S14-3 (GLA) 39.06 25 9.76 27 0.0064
  1. HPLC high-performance liquid chromatography, SA stearidonic acid, GLA gamma-linolenic acid.
  2. * The MIC values of methanol extract were adapted from Choi et al. (2012).
  3. -: Not determined.