Research Article

In Vitro Antimicrobial Activity of Spices and Medicinal Herbs against Selected Microbes Associated with Juices

Table 3

MIC of plant extracts in different solvents.

Plant Solvent MIC value of different plant extracts
B. cereusSerratia sp.R. mucilaginosaA. flavusP. citrinum

Centella asiaticaAcetone12.5NtNtNtNt
Methanol6.25252512.512.5
Ethanol3.12Nt12.56.2512.5

Curcuma longaAcetone12.550NtNtNt
Methanol12.5NtNtNtNt
Ethanol25NtNtNtNt

Emblica officinalisAcetone12.525252512.5
Methanol12.550252525
Ethanol255050Nt 50
Cold aqueous50NtNtNtNt

Mentha arvensisAcetone6.2525Nt12.512.5
Methanol12.550Nt2525
Ethanol6.2525Nt2550
Cold aqueous50NtNtNtNt
Hot aqueous50NtNtNtNt

Rauvolfia serpentinaAcetone2512.5Nt2525
Methanol12.525Nt50Nt
Ethanol6.2525NtNtNt
Cold aqueous2550NtNtNt
Hot aqueous25NtNtNtNt

Terminalia arjunaAcetone2525252525
Methanol12.512.55012.512.5
Ethanol12.5252512.550
Cold aqueous255050Nt Nt

Withania somniferaAcetone12.525Nt2525
Methanol5050Nt12.512.5
Ethanol50NtNt12.512.5

Zingiber officinale Acetone12.525NtNtNt
Methanol12.550NtNtNt
Ethanol25NtNtNtNt
Cold aqueous25Nt NtNtNt
Hot aqueousNtNt Nt NtNt

Sodium benzoate 12.5255012.512.5

Nt: not tested.