(−) no inhibition, (+) inhibition zone or activity intensity; (+ + + + +) represent diameter of growth inhibition zone (Φ) > 15 mm, growth rate (GR) < 50, excitation rate (ER) > 100; (+ + + +) Φ: 10−15 mm, GR: 50−70, ER: 50−100; (+ + +) Φ: 6.5−10 mm, GR: 70−80, ER: 30−50; (+ +) Φ: 5−6.5 mm, GR > 80, ER < 30