Journal
JOURNAL OF SEPARATION SCIENCE
Volume 42, Issue 20, Pages 3243-3252Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201900539
Keywords
chamomile; cyclitols isolation; response surface methodology; sugars isolation; supercritical fluid extraction
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Funding
- PRELUDIUM-14 grant Cyclitols as biologically active raw material obtained from Polish crops, National Science Center, Poland [2017/27/N/ST4/00354]
- grant entitled: Cultivated plants and natural products as a source of biologically active substances destined for the production of cosmetic and pharmaceutical products as well as diet supplements by the National Center for Research and Development (Wars [BIOSTRATEG2/298205/9/NCBR/2016]
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The aim of the present study was to develop an optimization procedure for supercritical fluid extraction parameters, in order to obtain the highest possible yield of sugars and cyclitols from plant material. Response surface methodology based on Box-Behnken design was applied to evaluate the effect of: temperature (40, 60, 80 degrees C), pressure (100, 200, 300 bar), and co-solvent (methanol) percentage (20, 25, 30%). As a result of the optimization process, we found that the highest amount of sugars (15.02 mg/gof dried material) and cyclitols (0.86 mg/g of dried material) was obtained when the following parameters were applied: 80 degrees C, 228 bar, and 30% of methanol. Moreover, co-solvent concentration and temperature had a higher influence onto the obtained amounts compared with the pressure.
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