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Table 1 Antimicrobial and antifungal studies

From: Natural curcuminoids encapsulated in layered double hydroxides: a novel antimicrobial nanohybrid

Substance tested

Staphylococcus aureus ATCC 25923 (mm)

Pseudomonas aeruginosa ATCC 27853 (mm)

Escherichia coli ATCC 25922 (mm)

Candida albicans ATCC 10231 (mm)

Candida dubliniensis clinical isolate (mm)

Positive control

11

11

23

11

21

Negative control

Pure turmeric

SEC-LDH (at pH 3)

17

19

27

21.3

8.3

SEC-LDH (at pH 4)

15.3

13

7.3

SEC-LDH (at pH 5)

8

10

  1. Anti-microbial behavior of SEC-LDH composite was studied at pH 3, 4 and 5. Fluconazole was used as the positive control for the tested yeast species, whereas vancomycin and gentamicin were used as the positive controls for the tested bacterial species; and sterile acidic solvents and nitrate were used as negative controls