Phytotoxicity of phenolic acids extracted from palm oil dry solids
A study on the extraction of palm oil dry solids (PODS) was conducted to identify the water-soluble compounds involved in the phytotoxicity of PODS. The aqueous extract of PODS was sequentially partitioned using various organic solvents. Each of the dried extracts was bio assayed for inhibitory ac...
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1997
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my.upm.eprints.36362015-09-07T03:28:49Z http://psasir.upm.edu.my/id/eprint/3636/ Phytotoxicity of phenolic acids extracted from palm oil dry solids Othman, Radziah Rahmani, Mawardi Hashim, Azizah A study on the extraction of palm oil dry solids (PODS) was conducted to identify the water-soluble compounds involved in the phytotoxicity of PODS. The aqueous extract of PODS was sequentially partitioned using various organic solvents. Each of the dried extracts was bio assayed for inhibitory activity on the growth of tomato radicles. Maximum inhibition of radicle growth was observed in the diethyl ether extract, resulting in 53.3% growth compared with control. Further separation of the ether fraction using column chromatography resulted in a single toxic fraction, RM10, which caused only 30% radicle growth. The fraction was compared with 14 synthetic phenolic compounds using thin-layer chromatography and was observed to be similar to four of the compounds. Further analysis by high performance liquid chromatography revealed that the RM10 fraction comprised vanillic acid. However, the RM10 fraction was more inhibitory to the growth of tomato radicles than synthetic vanillic acid. Universiti Putra Malaysia Press 1997 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/3636/1/Phytotoxicity_of_Phenolic_Acids_Extracted_from_Pahn_Oil_Dry_Solids.pdf Othman, Radziah and Rahmani, Mawardi and Hashim, Azizah (1997) Phytotoxicity of phenolic acids extracted from palm oil dry solids. Pertanika Journal of Tropical Agricultural Science, 20 (2/3). pp. 147-155. ISSN 0126-6128 http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2020%20(2&3)%20Aug.%201997/07%20JTAS%20Vol.20%20(23)%201997%20(Pg%20147-155).pdf |
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A study on the extraction of palm oil dry solids (PODS) was conducted to identify the water-soluble compounds
involved in the phytotoxicity of PODS. The aqueous extract of PODS was sequentially partitioned using various
organic solvents. Each of the dried extracts was bio assayed for inhibitory activity on the growth of tomato radicles.
Maximum inhibition of radicle growth was observed in the diethyl ether extract, resulting in 53.3% growth compared
with control. Further separation of the ether fraction using column chromatography resulted in a single toxic fraction,
RM10, which caused only 30% radicle growth. The fraction was compared with 14 synthetic phenolic compounds
using thin-layer chromatography and was observed to be similar to four of the compounds. Further analysis by high
performance liquid chromatography revealed that the RM10 fraction comprised vanillic acid. However, the RM10
fraction was more inhibitory to the growth of tomato radicles than synthetic vanillic acid. |
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Article |
author |
Othman, Radziah Rahmani, Mawardi Hashim, Azizah |
spellingShingle |
Othman, Radziah Rahmani, Mawardi Hashim, Azizah Phytotoxicity of phenolic acids extracted from palm oil dry solids |
author_facet |
Othman, Radziah Rahmani, Mawardi Hashim, Azizah |
author_sort |
Othman, Radziah |
title |
Phytotoxicity of phenolic acids extracted from palm oil dry solids |
title_short |
Phytotoxicity of phenolic acids extracted from palm oil dry solids |
title_full |
Phytotoxicity of phenolic acids extracted from palm oil dry solids |
title_fullStr |
Phytotoxicity of phenolic acids extracted from palm oil dry solids |
title_full_unstemmed |
Phytotoxicity of phenolic acids extracted from palm oil dry solids |
title_sort |
phytotoxicity of phenolic acids extracted from palm oil dry solids |
publisher |
Universiti Putra Malaysia Press |
publishDate |
1997 |
url |
http://psasir.upm.edu.my/id/eprint/3636/1/Phytotoxicity_of_Phenolic_Acids_Extracted_from_Pahn_Oil_Dry_Solids.pdf http://psasir.upm.edu.my/id/eprint/3636/ http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2020%20(2&3)%20Aug.%201997/07%20JTAS%20Vol.20%20(23)%201997%20(Pg%20147-155).pdf |
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