Muhamad, Ida Idayu and Mohd. Nawi, Norazlina and Sarmidi, Mohamad Roji and Ahmad, Nurul Uyun (2008) Antimicrobial substance in lawsonia inermis and stevia rebaudiana for controlling spoilage microorganisms. Journal of Chemical and Natural Resources Engineering - Advances in Product Development, 2 (Sp Ed.). pp. 99-107. ISSN 1823-5255
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Abstract
Lawsonia inermis was extracted by soxhlet apparatus using ethanol and petroleum ether as solvent whereas ethanol and hexane were used in the extract of Stevia rebaudiana. All the extract were tested against Btsubtilis (Gram-positive bacteria), E.coli (Gram-negative bacteria), A. fumigatus and yeast by disc diffusion method. Both extracts showed good inhibitory effects towards the growth of all the micro organism where the maximum inhibition (3.2±O.l em) was recorded for Lawsonia inermis against B. subtilis. Colonyforming efficiency test was performed to determine the sensitivity of the bacterial strains to the extracts.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Lawsonia inermis, Stevia rebaudiana, Bisubtilis |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical and Natural Resources Engineering |
| ID Code: | 13915 |
| Deposited By: | Narimah Nawil |
| Deposited On: | 25 Oct 2017 07:17 |
| Last Modified: | 29 Nov 2018 07:34 |
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