Bioactivities of selected lichens / Luqman Saidi
The aim of this study is to investigate in vitro free radical scavenging, antimicrobial, cytotoxicity and anticancer activities of the methanol and acetone extracts of the lichens Ramalina sp., Usnea sp., Heterodermia sp., and Telochistes sp. Free radical scavenging activity was evaluated by DPPH ra...
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2018
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my-uitm-ir.859132024-03-27T01:17:03Z Bioactivities of selected lichens / Luqman Saidi 2018 Saidi, Luqman The aim of this study is to investigate in vitro free radical scavenging, antimicrobial, cytotoxicity and anticancer activities of the methanol and acetone extracts of the lichens Ramalina sp., Usnea sp., Heterodermia sp., and Telochistes sp. Free radical scavenging activity was evaluated by DPPH radical scavenging assay. Of the lichens tested, both acetone and methanol extracts of Ramalina sp. had highest free radical scavenging activity (72.27 %) and (84.43 %) of inhibition at a concentration of 1mg/ml, respectively, which are nearly as potent as the standard antioxidants controls; ascorbic acid (96.45%), trolox (91.9 %), and BHA (94.44 %). 2018 Thesis https://ir.uitm.edu.my/id/eprint/85913/ https://ir.uitm.edu.my/id/eprint/85913/1/85913.pdf text en public masters Universiti Teknologi MARA (UiTM) Faculty of Applied Sciences Abdullah, Mohd Faiz Foong |
| institution |
Universiti Teknologi MARA |
| collection |
UiTM Institutional Repository |
| language |
English |
| advisor |
Abdullah, Mohd Faiz Foong |
| description |
The aim of this study is to investigate in vitro free radical scavenging, antimicrobial, cytotoxicity and anticancer activities of the methanol and acetone extracts of the lichens Ramalina sp., Usnea sp., Heterodermia sp., and Telochistes sp. Free radical scavenging activity was evaluated by DPPH radical scavenging assay. Of the lichens tested, both acetone and methanol extracts of Ramalina sp. had highest free radical scavenging activity (72.27 %) and (84.43 %) of inhibition at a concentration of 1mg/ml, respectively, which are nearly as potent as the standard antioxidants controls; ascorbic acid (96.45%), trolox (91.9 %), and BHA (94.44 %). |
| format |
Thesis |
| qualification_level |
Master's degree |
| author |
Saidi, Luqman |
| spellingShingle |
Saidi, Luqman Bioactivities of selected lichens / Luqman Saidi |
| author_facet |
Saidi, Luqman |
| author_sort |
Saidi, Luqman |
| title |
Bioactivities of selected lichens / Luqman Saidi |
| title_short |
Bioactivities of selected lichens / Luqman Saidi |
| title_full |
Bioactivities of selected lichens / Luqman Saidi |
| title_fullStr |
Bioactivities of selected lichens / Luqman Saidi |
| title_full_unstemmed |
Bioactivities of selected lichens / Luqman Saidi |
| title_sort |
bioactivities of selected lichens / luqman saidi |
| granting_institution |
Universiti Teknologi MARA (UiTM) |
| granting_department |
Faculty of Applied Sciences |
| publishDate |
2018 |
| url |
https://ir.uitm.edu.my/id/eprint/85913/1/85913.pdf |
| _version_ |
1804889743479013376 |