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Table 2 Minimal inhibitory concentrations (MICs) of fractions obtained from the solvent hydrolyzable of the methanol extract of Asarum heterotropoides root against harmful and nonpathogenic 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)
Gram-positive bacteriab Gram-negative bacteriac
Materiala Cd Cm Cp Sa Bfd Ecd St
ME 14.70 bA 7.35 cB 7.35 cB 14.70 bA 7.35 bB 14.70 bA 7.35 bB
HSF 7.35 cB 14.70 bA 7.35 cB 7.35 cB 3.67 cC 7.35 cB 3.67 cC
CSF 14.70 bA 14.70 bA 14.70 bA 7.35 cB 7.35 bB 14.70 bA 7.35 bB
EASF 7.35 cB 7.35 cB 14.70 bA 7.35 cB 1.83 dC 14.70 bA 7.35 bB
BSF 29.40 aB 58.80 aA 29.40 aB 29.40 aB 58.80 aA 58.80 aA 14.70 aC
WSF NAe 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. bCd, C. difficile ATCC 9689; Cm, C. paraputiricum ATCC 25780; Cp, C. perfringens ATCC 13124; Sa, S. aureus ATCC 12600.
  4. cBf, B. fragilis ATCC 25285; Ec, E. coli ATCC 11775; St, S. enterica serovar Typhimurium ATCC 13311.
  5. dNonpathogenic bacteria.
  6. eNo activity.
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BMC Complementary Medicine and Therapies

ISSN: 2662-7671

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