Journal
JOURNAL OF SUPERCRITICAL FLUIDS
Volume 83, Issue -, Pages 133-145Publisher
ELSEVIER
DOI: 10.1016/j.supflu.2013.09.005
Keywords
Ultrasound assisted extraction; Batch extraction; Supercritical fluid extraction and fractionation; Rosemary; Rosmarinic acid; Purification; Cost estimation; Waste recovery
Categories
Funding
- CAPES
- FINEP
- CNPQ [161606/2011-3]
- CAPES [PDEE-3844-10-2]
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Industry is increasingly interested in natural food preservatives, antimicrobial, and antioxidants due to their beneficial effects. The use of plant waste also presented itself to be a great opportunity in recovered bioactive compounds remaining in the residue. In this work, bioactive compounds were obtained from Rosmarinus officinalis in two different ways: firstly the supercritical fractionated rosemary extract with different composition was obtained from the plant material, and secondly a potent antioxidant-rosmarinic acid (RA) was successfully extracted from the plant waste. A purification process scale-up of RA was proposed using GRAS solvent, and an economic evaluation was made for the overall process. A complete process to obtain bioactive compounds, antimicrobial (supercritical fluid extraction and fractionation extraction) and antioxidant (solvent extraction) was developed. (C) 2013 Elsevier B.V. All rights reserved.
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