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Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts

This study aimed to evaluate the chemical compositions and DPPH free radical scavenging activity of local lemon myrtle (Backhousia citriodora) leaf extracts. While this is native Australian plant, it is still new in Malaysia and not many research have been conducted on Backhousia citriodora in Ma...

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Main Authors: Zalilawati, Mat Rashid, Rafieza, Rasid
Format: Conference or Workshop Item
Language:English
Published: 2017
Subjects:
QH301 Biology
Online Access:http://eprints.unisza.edu.my/1174/1/FH03-FBIM-18-12429.pdf
http://eprints.unisza.edu.my/1174/
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spelling my-unisza-ir.11742020-11-10T02:57:41Z http://eprints.unisza.edu.my/1174/ Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts Zalilawati, Mat Rashid Rafieza, Rasid QH301 Biology This study aimed to evaluate the chemical compositions and DPPH free radical scavenging activity of local lemon myrtle (Backhousia citriodora) leaf extracts. While this is native Australian plant, it is still new in Malaysia and not many research have been conducted on Backhousia citriodora in Malaysia. Lemon myrtle leaf was extracted subsequently with three solvents which were pet ether, ethanol and aqueous. After concentrated under vacuo, all crude extracts obtained were evaluated for total phenolic content, total flavonoid content, total neutral sugar content, DPPH free radical scavenging activity and FTIR profiling. As a result, aqueous extract of local lemon myrtle leaf showed the highest total phenolic and flavonoid contents with respective values was 13.57 mg GAE/g and 13.19 mg QE/g sample compared to other extract. Moreover, ethanol extract of this plant also exhibited the highest antioxidant activity (78.03%). There were strong correlation between antioxidant activity and total phenolic as well as flavonoid content with both correlation values (R2 ) are more than 0.9. Thus, this research can contribute to advancement of food industry and give valuable information for further study on the lemon myrtle of Malaysia. 2017 Conference or Workshop Item NonPeerReviewed text en http://eprints.unisza.edu.my/1174/1/FH03-FBIM-18-12429.pdf Zalilawati, Mat Rashid and Rafieza, Rasid (2017) Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts. In: International Conference on Natural Products 2017 (ICNP 2017), 15 March 2017, Swiss-Garden Beach Resort Damai Laut, Lumut, Perak.
institution Universiti Sultan Zainal Abidin
building UNISZA Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sultan Zainal Abidin
content_source UNISZA Institutional Repository
url_provider https://eprints.unisza.edu.my/
language English
topic QH301 Biology
spellingShingle QH301 Biology
Zalilawati, Mat Rashid
Rafieza, Rasid
Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts
description This study aimed to evaluate the chemical compositions and DPPH free radical scavenging activity of local lemon myrtle (Backhousia citriodora) leaf extracts. While this is native Australian plant, it is still new in Malaysia and not many research have been conducted on Backhousia citriodora in Malaysia. Lemon myrtle leaf was extracted subsequently with three solvents which were pet ether, ethanol and aqueous. After concentrated under vacuo, all crude extracts obtained were evaluated for total phenolic content, total flavonoid content, total neutral sugar content, DPPH free radical scavenging activity and FTIR profiling. As a result, aqueous extract of local lemon myrtle leaf showed the highest total phenolic and flavonoid contents with respective values was 13.57 mg GAE/g and 13.19 mg QE/g sample compared to other extract. Moreover, ethanol extract of this plant also exhibited the highest antioxidant activity (78.03%). There were strong correlation between antioxidant activity and total phenolic as well as flavonoid content with both correlation values (R2 ) are more than 0.9. Thus, this research can contribute to advancement of food industry and give valuable information for further study on the lemon myrtle of Malaysia.
format Conference or Workshop Item
author Zalilawati, Mat Rashid
Rafieza, Rasid
author_facet Zalilawati, Mat Rashid
Rafieza, Rasid
author_sort Zalilawati, Mat Rashid
title Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts
title_short Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts
title_full Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts
title_fullStr Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts
title_full_unstemmed Chemical Compositions And Antioxidant Activity Of Local Lemon Myrtle (Backhousia Citriodora) Leaf Extracts
title_sort chemical compositions and antioxidant activity of local lemon myrtle (backhousia citriodora) leaf extracts
publishDate 2017
url http://eprints.unisza.edu.my/1174/1/FH03-FBIM-18-12429.pdf
http://eprints.unisza.edu.my/1174/
_version_ 1683234983940980736
score 13.211869

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