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Pressurized Liquid and Superheated Water Extraction of Active Constituents from Zingiber cassumunar Roxb. Rhizome

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Active compounds, terpinene-4-ol and (E)-1-(3,4-dimethoxyphenyl) butadiene (DMPBD), displaying anti-inflammatory activity, were successfully extracted from the rhizome of Zingiber cassumunar Roxb. by pressurized liquid extraction (PLE) using methanol or ethanol and by superheated water extraction (SWE). Optimum conditions of both techniques were 1 mL/min flow rate and 5 min static time. The extraction temperature and dynamic time of the PLE and the SWE were 100°C 5 min and 140°C 20 min, respectively. Compared with water distillation, solvent sonication, and Soxhlet extraction, the PLE produced the highest amount of DMPBD and terpinene-4-ol, whereas the SWE and water distillation provided similar results.
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Keywords: DMPBD; Zingiber cassumunar Roxb; pressurized liquid extraction; superheated water extraction

Document Type: Research Article

Affiliations: Department of Chemistry, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, Thailand

Publication date: 2011-01-01

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