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Table 3 Minimal inhibitory concentrations (MICs) of fractions obtained from the solvent hydrolyzable of the methanol extract of Asarum heterotropoides root against beneficial Gram-positive intestinal bacteria using a microtiter plate-based antibacterial bioassay

From: Growth-Inhibiting and morphostructural effects of constituents identified in Asarum heterotropoides root on human intestinal bacteria

  MIC (mg/mL)
Materiala Bbb Bib Beb Blb Lab Lcb Cbc
ME 60.67 aA 58.50 bB 58.50 aB 58.50 aB 29.30 bC 58.50 aB 58.50 aB
HSF 29.30 dB 29.30 cB 29.30 bB 29.30 bB 29.30 bB 58.50 aA 29.30 bB
CSF 55.87 cB 58.50 bA 58.50 aA 29.30 bC 29.30 bC 58.50 aA 58.50 aA
EASF 58.50 bB 117.0 aA 58.50 aB 58.50 aB 58.50 aB 55.87 bC 58.50 aB
BSF NAd NA NA NA NA NA NA
WSF NA NA NA NA NA NA NA
  1. Means in a column followed by the same lowercase letter and means in a row followed by the same uppercase letter are not significantly different (P > 0.05; Bonferroni test).
  2. aME, methanol extract; HSF, hexane-soluble fraction; CSF, chloroform-soluble faction; EASF, Ethyl acetate-soluble fraction; BSF, butanol-soluble fraction; WSF, water-soluble fraction.
  3. bLactic acid-producing bacteria: Bb, B. bifidum ATCC 29521; Bi, B. infantis ATCC 25962; Be, B. breve ATCC 15700; Bl, B. longum ATCC 15707; La, L. acidophilius ATCC 4356; Lc, L. casei ATCC 393.
  4. cAcidulating bacteria: Cb, C. butyricum ATCC 25779.
  5. dNo activity.