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. 2026 Sep 29;24:925–936. doi: 10.3290/j.ohpd.c_2831

Table 2.

Cell viability of HGF exposed to E. coli LPS or various concentrations of C. sylvestris extract (1 µg/ml or 2 µg/ml), F2 (1 µg/ml or 3 µg/ml), or Cas J (50 µg/ml or 100 µg/ml) for 24 h and 48 h. Untreated cells served as the control. Data are expressed as the mean percentage of viable cells relative to the control (n = 9)

Groups

Cell viability (%)

24 h

48 h

1Significant (p < 0.0001) difference compared to all other groups. E. c. (E. coli), extract (C. sylvestris leaf derivatives ethanolic extract), F2 (C. sylvestris diterpene-enriched fraction), and Cas J (isolated casearin J).

Control

98.33

98.33

E. c.

65.001

59.331

extract (1 µg/ml)

97.33

91.33

extract (2 µg/ml)

95.00

90.20

F2 (1 µg/ml)

97.33

91.32

F2 (3 µg/ml)

95.33

90.33

Cas J (50 µg/ml)

96.22

90.67

Cas J (100 µg/ml)

95.30

90.67