Intensification of extraction of curcumin from Curcuma amada using ultrasound assisted approach: Effect of different operating parameters

Intensification of extraction of curcumin from Curcuma amada using ultrasound assisted approach: Effect of different operating parameters

•Extraction of curcumin from dried rhizomes of Curcuma amada was achieved under direct sonication.•Ultrasound assisted extraction id compared with conventional Soxhlet extraction.•The different process parameters are optimized with ultrasound assisted extraction. Curcumin, a dietary phytochemical, h...

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Bibliographic Details
Published in:Ultrasonics sonochemistry Vol. 38; pp. 437 - 445
Main Authors: Shirsath, S.R., Sable, S.S., Gaikwad, S.G., Sonawane, S.H., Saini, D.R., Gogate, P.R.
Format: Journal Article
Language:English
Published: Netherlands Elsevier B.V 01-09-2017
Subjects:
Cavitation
Chemical Fractionation - methods
Curcuma - chemistry
Curcumin - isolation & purification
Curcumin extraction
Kinetics
Models, Chemical
Particle Size
Process intensification
Solvents - chemistry
Temperature
Ultrasonic Waves
Ultrasound
Process intensification
Curcumin extraction
Kinetics
Ultrasound
Cavitation
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Summary:•Extraction of curcumin from dried rhizomes of Curcuma amada was achieved under direct sonication.•Ultrasound assisted extraction id compared with conventional Soxhlet extraction.•The different process parameters are optimized with ultrasound assisted extraction. Curcumin, a dietary phytochemical, has been extracted from rhizomes of Curcuma amada using ultrasound assisted extraction (UAE) and the results compared with the conventional extraction approach to establish the process intensification benefits. The effect of operating parameters such as type of solvent, extraction time, extraction temperature, solid to solvent ratio, particle size and ultrasonic power on the extraction yield have been investigated in details for the approach UAE. The maximum extraction yield as 72% was obtained in 1h under optimized conditions of 35°C temperature, solid to solvent ratio of 1:25, particle size of 0.09mm, ultrasonic power of 250W and ultrasound frequency of 22kHz with ethanol as the solvent. The obtained yield was significantly higher as compared to the batch extraction where only about 62% yield was achieved in 8h of treatment. Peleg’s model was used to describe the kinetics of UAE and the model showed a good agreement with the experimental results. Overall, ultrasound has been established to be a green process for extraction of curcumin with benefits of reduction in time as compared to batch extraction and the operating temperature as compared to Soxhlet extraction.
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ISSN:1350-4177
1873-2828
DOI:10.1016/j.ultsonch.2017.03.040