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Bioresources and Bioprocessing

Table 3 Parameters of the overall extraction curves performed at 313 K

From: Supercritical fluid extraction of polyphenols from lees: overall extraction curve, kinetic data and composition of the extracts

Pressure (MPa)

Dynamic extraction time (h)

Flow rate of CO2 (10−5 kg/s)

Flow rate of ethanol (10−5 kg/s)

Total flow rate of solvent (10−5 kg/s)

20

8

11.3 ± 0.1

1.25

12.6 ± 0.1

8

11.4 ± 0.1

1.26

12.7 ± 0.1

35

8

11.3 ± 0.1

1.25

12.6 ± 0.1

6

8.6 ± 0.5

0.95

9.6 ± 0.5

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