Extraction of bioactives from Orthosiphon stamineus using microwave and ultrasound-assisted techniques: Process optimization and scale up

CHAN Chung-Hung
Call Number
PR 10749
Added Author
SEE Tiam-You
ROZITA Yusoff
NGOH Gek-Cheng
KOW Kien-Woh
MPOB IC ; Malaysian Palm Oil Board (MPOB)
Publication
Elsevier 2017
URL
Language
eng
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PR 10749
PR10749
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$a Extraction of bioactives from Orthosiphon stamineus using microwave and ultrasound-assisted techniques: Process optimization and scale up
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$a Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, 43000 Kajang, Selangor, Malaysia
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$a In Food Chemistry 2017 Vol 221 April : 1382-1387
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$a This work demonstrated the optimization and scale up of microwave-assisted extraction (MAE) and ultrasonic-assisted extraction (UAE) of bioactive compounds from Orthosiphon stamineus using energy-based parameters such as absorbed power density and absorbed energy density (APD-AED) and response surface methodology (RSM). The intensive optimum conditions of MAE obtained at 80% EtOH, 50 mL/g, APD of 0.35 W/mL, AED of 250 J/mL can be used to determine the optimum conditions of the scale-dependent parameters i.e. microwave power and treatment time at various extraction scales (100–300 mL solvent loading). The yields of the up scaled conditions were consistent with less than 8% discrepancy and they were about 91–98% of the Soxhlet extraction yield. By adapting APD-AED method in the case of UAE, the intensive optimum conditions of the extraction, i.e. 70% EtOH, 30 mL/g, APD of 0.22 W/mL, AED of 450 J/mL are able to achieve similar scale up results.
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$u https://doi.org/10.1016/j.foodchem.2016.11.016
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Subject
Subject
Summary
This work demonstrated the optimization and scale up of microwave-assisted extraction (MAE) and ultrasonic-assisted extraction (UAE) of bioactive compounds from Orthosiphon stamineus using energy-based parameters such as absorbed power density and absorbed energy density (APD-AED) and response surface methodology (RSM). The intensive optimum conditions of MAE obtained at 80% EtOH, 50 mL/g, APD of 0.35 W/mL, AED of 250 J/mL can be used to determine the optimum conditions of the scale-dependent parameters i.e. microwave power and treatment time at various extraction scales (100–300 mL solvent loading). The yields of the up scaled conditions were consistent with less than 8% discrepancy and they were about 91–98% of the Soxhlet extraction yield. By adapting APD-AED method in the case of UAE, the intensive optimum conditions of the extraction, i.e. 70% EtOH, 30 mL/g, APD of 0.22 W/mL, AED of 450 J/mL are able to achieve similar scale up results.
Corresp. Author
CHAN Chung-Hung
Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, 43000 Kajang, Selangor, Malaysia
E-mail
Notes
In Food Chemistry 2017 Vol 221 April : 1382-1387
INPRO @ Radzuan
Anugerah Penerbitan 2017