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. cereus | Serratia sp. | R. mucilaginosa | A. flavus | P. citrinum |
| Centella asiatica | Acetone | 12.5 | Nt | Nt | Nt | Nt | Methanol | 6.25 | 25 | 25 | 12.5 | 12.5 | Ethanol | 3.12 | Nt | 12.5 | 6.25 | 12.5 |
| Curcuma longa | Acetone | 12.5 | 50 | Nt | Nt | Nt | Methanol | 12.5 | Nt | Nt | Nt | Nt | Ethanol | 25 | Nt | Nt | Nt | Nt |
| Emblica officinalis | Acetone | 12.5 | 25 | 25 | 25 | 12.5 | Methanol | 12.5 | 50 | 25 | 25 | 25 | Ethanol | 25 | 50 | 50 | Nt | 50 | Cold aqueous | 50 | Nt | Nt | Nt | Nt |
| Mentha arvensis | Acetone | 6.25 | 25 | Nt | 12.5 | 12.5 | Methanol | 12.5 | 50 | Nt | 25 | 25 | Ethanol | 6.25 | 25 | Nt | 25 | 50 | Cold aqueous | 50 | Nt | Nt | Nt | Nt | Hot aqueous | 50 | Nt | Nt | Nt | Nt |
| Rauvolfia serpentina | Acetone | 25 | 12.5 | Nt | 25 | 25 | Methanol | 12.5 | 25 | Nt | 50 | Nt | Ethanol | 6.25 | 25 | Nt | Nt | Nt | Cold aqueous | 25 | 50 | Nt | Nt | Nt | Hot aqueous | 25 | Nt | Nt | Nt | Nt |
| Terminalia arjuna | Acetone | 25 | 25 | 25 | 25 | 25 | Methanol | 12.5 | 12.5 | 50 | 12.5 | 12.5 | Ethanol | 12.5 | 25 | 25 | 12.5 | 50 | Cold aqueous | 25 | 50 | 50 | Nt | Nt |
| Withania somnifera | Acetone | 12.5 | 25 | Nt | 25 | 25 | Methanol | 50 | 50 | Nt | 12.5 | 12.5 | Ethanol | 50 | Nt | Nt | 12.5 | 12.5 |
| Zingiber officinale | Acetone | 12.5 | 25 | Nt | Nt | Nt | Methanol | 12.5 | 50 | Nt | Nt | Nt | Ethanol | 25 | Nt | Nt | Nt | Nt | Cold aqueous | 25 | Nt | Nt | Nt | Nt | Hot aqueous | Nt | Nt | Nt | Nt | Nt |
| Sodium benzoate | 12.5 | 25 | 50 | 12.5 | 12.5 |
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Nt: not tested.
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