Table 2.
Minimum inhibitory concentrations (MIC) of (+)-α-pinene, (−)-β-pinene, (−)-verbenone, rosmarinic acid and copper sulphate against A. alternata and P. viridiflava determined by the microdilution method and expressed as percentage.
| A. alternata | P. viridiflava | |||
|---|---|---|---|---|
| V.R. | S.R. | V.R. | Resazurin | |
| (+)-α-pinene | 0.625 | 0.625 | 1.25 | 1.25 |
| (−)-β-pinene | 0.313 | 0.313 | n.i. | n.i. |
| (−)-verbenone | 0.625 | 0.625 | 1.25 | 1.25 |
| rosmarinic acid | n.d. | 1.25 | 1.25 | 1.25 |
| copper sulphate | 0.078 | 0.078 | 0.625 | 0.313 |
V.R.—visual reading; S.R.—spectrophotometric reading; n.i.—not investigated; n.d.—not detectable.