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Evaluation Of Bioactive Peptides/ Proteins/ Alkaloids From Extracts Of Croton Tiglium, Lawsonia Inermis And Eruca Sativa Against Mastitis Causing Bacterial Strains

By: Rubia Saeed (2011-VA-377) | Dr. Muhammad Tayyab.
Contributor(s): Dr. Abu Saeed Hashmi | Dr. Muhammad Nawaz.
Material type: materialTypeLabelBookPublisher: 2017Description: 50p.Subject(s): BiochemistryDDC classification: 2853-T Dissertation note: Mastitis is considered as one of the most prevalent disease in dairy animals of Pakistan. Bacteria which are found in most mastitis cases are S. aureus, S. agalactiae and E. coli. Infections caused by these bacteria are being treated by various antibiotics but due to their development of resistance towards these drugs, there is need to explore some alternatives like medicinal plant extracts for the treatment of mastitis. Croton tiglium, Eruca sativa and Lawsonia inermis have been reported to have antimicrobial activity, thus the extracts of these medicinal plants will be explored to their antimicrobial activity against mastitis causing bacterial strains. Present study purpose was to evaluate the bioactive proteins/alkaloids/peptides from extract of C. tiglium, E. sativa and L. inermis against mastitis causing bacterial strains. For this purpose, the leaves and seeds samples of selected medicinal plants (C. tiglium, E. sativa and L. inermis) were collected from Bagh-e-Jinnah and were identified from Department of Botany, University of the Punjab, Lahore. The ethanolic and aqueous extracts were prepared to evaluate the antimicrobial activity against mastitis causing bacterial strains. For this purpose, dust free leaves and seeds of selected plants were cut into small pieces, homogenized in ethanol/buffer and centrifuged. The resulting supernatant was then collected to check its antimicrobial activity against S. agalactiae, S. aureus and E.coli. Antimicrobial activity was analyzed by well diffusion method. Regarding the antimicrobial activity assay, the overnight grown cultures of the selected microbial strains was spread on the LB agar plates and the extracts was applied to wells incubated was done at 37°C for overnight. Inhibition zone was measured. Then the extracts having maximum activity were purified by GC.MS and the nature of extract was examined. All experiments were performed in triplicates so mean and average of the values was taken.
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Item type Current location Collection Call number Status Date due Barcode Item holds
Thesis Thesis UVAS Library
Thesis Section
Veterinary Science 2853-T (Browse shelf) Available 2853-T
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Mastitis is considered as one of the most prevalent disease in dairy animals of Pakistan. Bacteria which are found in most mastitis cases are S. aureus, S. agalactiae and E. coli. Infections caused by these bacteria are being treated by various antibiotics but due to their development of resistance towards these drugs, there is need to explore some alternatives like medicinal plant extracts for the treatment of mastitis. Croton tiglium, Eruca sativa and Lawsonia inermis have been reported to have antimicrobial activity, thus the extracts of these medicinal plants will be explored to their antimicrobial activity against mastitis causing bacterial strains.
Present study purpose was to evaluate the bioactive proteins/alkaloids/peptides from extract of C. tiglium, E. sativa and L. inermis against mastitis causing bacterial strains. For this purpose, the leaves and seeds samples of selected medicinal plants (C. tiglium, E. sativa and L. inermis) were collected from Bagh-e-Jinnah and were identified from Department of Botany, University of the Punjab, Lahore. The ethanolic and aqueous extracts were prepared to evaluate the antimicrobial activity against mastitis causing bacterial strains. For this purpose, dust free leaves and seeds of selected plants were cut into small pieces, homogenized in ethanol/buffer and centrifuged. The resulting supernatant was then collected to check its antimicrobial activity against S. agalactiae, S. aureus and E.coli. Antimicrobial activity was analyzed by well diffusion method. Regarding the antimicrobial activity assay, the overnight grown cultures of the selected microbial strains was spread on the LB agar plates and the extracts was applied to wells incubated was done at 37°C for overnight. Inhibition zone was measured. Then the extracts having maximum activity were purified by GC.MS and the nature of extract was examined. All experiments were performed in triplicates so mean and average of the values was taken.

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