Document Detail


Optimizing oil and xanthorrhizol extraction from Curcuma xanthorrhiza Roxb. rhizome by supercritical carbon dioxide.
MedLine Citation:
PMID:  25190883     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Oil and xanthorrhizol extraction from Curcuma xanthorrhiza Roxb. rhizome by supercritical carbon dioxide was optimized using Taguchi method. The factors considered were pressure, temperature, carbon dioxide flowrate and time at levels ranging between 10-25 MPa, 35-60 °C, 10-25 g/min and 60-240 min respectively. The highest oil yield (8.0 %) was achieved at factor combination of 15 MPa, 50 °C, 20 g/min and 180 min whereas the highest xanthorrhizol content (128.3 mg/g oil) in Curcuma xanthorrhiza oil was achieved at a factor combination of 25 MPa, 50 °C, 15 g/min and 60 min. Soxhlet extraction with n-hexane and percolation with ethanol gave oil yield of 5.88 %, 11.73 % and xanthorrhizol content of 42.6 mg/g oil, 75.5 mg/g oil, respectively. The experimental oil yield and xanthorrhizol content at optimum conditions agreed favourably with values predicted by computational process. The xanthorrizol content extracted using supercritical carbon dioxide was higher than extracted using Soxhlet extraction and percolation process.
Authors:
Rinaldi Salea; Edward Widjojokusumo; Bambang Veriansyah; Raymond R Tjandrawinata
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Publication Detail:
Type:  Journal Article     Date:  2014-02-09
Journal Detail:
Title:  Journal of food science and technology     Volume:  51     ISSN:  0022-1155     ISO Abbreviation:  J Food Sci Technol     Publication Date:  2014 Sep 
Date Detail:
Created Date:  2014-09-05     Completed Date:  2014-09-05     Revised Date:  2014-09-08    
Medline Journal Info:
Nlm Unique ID:  0056471     Medline TA:  J Food Sci Technol     Country:  India    
Other Details:
Languages:  eng     Pagination:  2197-203     Citation Subset:  -    
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