Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems

Henna plant ( Lawsonia inermis ) is an Indian medicinal plant used in traditional medicine for the treatment of various diseases, besides its popularity as a natural dye to colour hand and hair. Research in the recent past has accumulated enormous evidence revealing henna plant to be an excelle...

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Main Authors: Tan, Mun Chieng, Tan, Chin Ping, Ho, C. W.
Format: Article
Language:English
Published: Faculty of Food Science and Technology, Universiti Putra Malaysia 2013
Online Access:http://psasir.upm.edu.my/id/eprint/30521/
http://psasir.upm.edu.my/id/eprint/30521/1/30521.pdf
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author Tan, Mun Chieng
Tan, Chin Ping
Ho, C. W.
author_facet Tan, Mun Chieng
Tan, Chin Ping
Ho, C. W.
author_sort Tan, Mun Chieng
building UPM Institutional Repository
collection Online Access
description Henna plant ( Lawsonia inermis ) is an Indian medicinal plant used in traditional medicine for the treatment of various diseases, besides its popularity as a natural dye to colour hand and hair. Research in the recent past has accumulated enormous evidence revealing henna plant to be an excellent source of antioxidants such as total phenolics. In this study, the extraction of total phenolics from henna stems was evaluated using the Folin-Ciocalteu assay. A set of single factor experiments was carried out for identifying the optimum condition of each independent variable affecting total phenolic content (TPC) extraction efficiency of henna stems, namely the solvent type, solvent concentration (v/v, %), extraction time (min) and extraction temperature ( o C). Generally, high extraction yield was obtained using aqueous acetone (about 40%) as solvent and the extraction yield could further be increased using a prolonged time of 270 min and a higher incubation temperature of 55°C. Under these optimized conditions, the experimental maximum yield of TPC of 5554.15 ± 73.04 mg GAE/100 g DW was obtained.
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spelling upm-305212015-06-03T06:11:13Z http://psasir.upm.edu.my/id/eprint/30521/ Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems Tan, Mun Chieng Tan, Chin Ping Ho, C. W. Henna plant ( Lawsonia inermis ) is an Indian medicinal plant used in traditional medicine for the treatment of various diseases, besides its popularity as a natural dye to colour hand and hair. Research in the recent past has accumulated enormous evidence revealing henna plant to be an excellent source of antioxidants such as total phenolics. In this study, the extraction of total phenolics from henna stems was evaluated using the Folin-Ciocalteu assay. A set of single factor experiments was carried out for identifying the optimum condition of each independent variable affecting total phenolic content (TPC) extraction efficiency of henna stems, namely the solvent type, solvent concentration (v/v, %), extraction time (min) and extraction temperature ( o C). Generally, high extraction yield was obtained using aqueous acetone (about 40%) as solvent and the extraction yield could further be increased using a prolonged time of 270 min and a higher incubation temperature of 55°C. Under these optimized conditions, the experimental maximum yield of TPC of 5554.15 ± 73.04 mg GAE/100 g DW was obtained. Faculty of Food Science and Technology, Universiti Putra Malaysia 2013 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/30521/1/30521.pdf Tan, Mun Chieng and Tan, Chin Ping and Ho, C. W. (2013) Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems. International Food Research Journal, 20 (6). pp. 3117-3123. ISSN 1985-4668; ESSN: 2231-7546 http://www.ifrj.upm.edu.my/volume-20-2013.html
spellingShingle Tan, Mun Chieng
Tan, Chin Ping
Ho, C. W.
Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems
title Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems
title_full Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems
title_fullStr Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems
title_full_unstemmed Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems
title_short Effects of extraction solvent system, time and temperature on total phenolic content of henna (Lawsonia inermis) stems
title_sort effects of extraction solvent system, time and temperature on total phenolic content of henna (lawsonia inermis) stems
url http://psasir.upm.edu.my/id/eprint/30521/
http://psasir.upm.edu.my/id/eprint/30521/
http://psasir.upm.edu.my/id/eprint/30521/1/30521.pdf