Compound

Concentration

% Inhibitiona in experimentsb

% Inhibitiona

(mean)

IC50c

1

2

Pumpkin seed oil

5 mg/ml

95.3

72.2

83.75

<5 mg/ml

Pumpkin seed soft extract

5 mg/ml

91.8

71.0

81.4

<5 mg/ml

Δ7-sterols

0.5 mg/ml

79.7

69.5

74.6

0.3 mg/ml

0.1 mg/ml

not done

42.6

42.6