Compound

Concentration

% Inhibition^a in experiments^b

% Inhibition^a

(mean)

IC₅₀^c

1

2

Pumpkin seed oil

5 mg/ml

38.2

47.5

42.85

5.8 mg/ml

Pumpkin seed soft extract

5 mg/ml

36.4

50.1

43.25

5.8 mg/ml

Δ7-sterols

0.5 mg/ml

26.8

0.8^d

26.8

1.0 mg/ml

0.1 mg/ml

not done

4.9

4.9