Table 1: The MIC valuesµg/mLof curcumin derivatives (2a–2h).

Compounds

S. aureus

B. subtilis

E. coli

A. niger

2a

64

64

64

32

2b

64

64

32

64

2c

32

64

64

32

2d

64

64

64

64

2e

16

8

16

8

2f

8

8

16

16

2g

8

8

8

8

2h

16

8

8

16

Curcumin

128

128

>256

>256