Table 1 The percentages of cell viability of PC-3 after 48 h co‐culture system with activated PBMCs at 24 and 48 h with treatments at the concentration of 50 µg/mL.

Media + DMSO

100.00 ± 0.00^a

100.00 ± 0.00^a

100.00 ± 0.00^a

100.00 ± 0.00^a

PBMCs + DMSO

94.74 ± 1.27^a

95.60 ± 1.59^a

102.43 ± 5.50^a

98.03 ± 2.95^a

Media + B. cristata

97.78 ± 2.45^a

98.13 ± 4.28^a

99.21 ± 2.62^a

96.42 ± 1.86^a

PBMCs + B. cristata

97.47 ± 2.62^a

96.75 ± 2.53^a

107.03 ± 5.97^a

41.25 ± 2.35^b

Media + B. siamensis

97.07 ± 2.93^a

95.45 ± 4.80^a

104.50 ± 4.42^a

95.60 ± 2.27^a

PBMCs + B. siamensis

98.44 ± 1.51^a

97.50 ± 6.74^a

61.30 ± 3.02^b

30.96 ± 4.06^b

Media + B. strigosa

99.14 ± 2.00^a

97.39 ± 1.19^a

103.97 ± 7.12^a

96.24 ± 2.75^a

PBMCs + B. strigosa

100.95 ± 2.48^a

94.10 ± 1.62^a

107.12 ± 3.53^a

72.69 ± 7.53^b

Media + Barlein

96.82 ± 1.81^a

95.48 ± 5.01^a

99.19 ± 5.49^a

99.62 ± 5.68^a

PBMCs + Barlerin

94.09 ± 3.13^a

93.37 ± 1.46^a

99.55 ± 8.71^a

71.16 ± 3.03^b

Media + Verbascoside

92.84 ± 1.04^a

91.22 ± 1.36^a

104.39 ± 3.25^a

96.92 ± 1.87^a

PBMCs + Verbascoside

93.98 ± 4.63^a

88.53 ± 6.20^a

100.63 ± 6.97^a

62.37 ± 0.95^b

Blank system

Media (Blank)-no PC-3

0.06 ± 0.001^a

0.06 ± 0.003^a

0.06 ± 0.011^a

0.06 ± 0.002^a

Media + PBMCs + DMSO-no PC‐3

0.06 ± 0.005^a

0.05 ± 0.003^a

0.07 ± 0.014^a

0.05 ± 0.002^a