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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Main Author: Saidi, Luqman
Format: Thesis
Language:English
Published: 2018
Online Access:https://ir.uitm.edu.my/id/eprint/85913/1/85913.pdf
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spelling 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