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Table 3 Total polyphenolic compound (TPC) from apple pomace with 50 ETH at solid/solvent ratio of 1:80 g/mL, under continuous magnetic stirring at 200 rpm

From: Kinetic modelling of the solid–liquid extraction process of polyphenolic compounds from apple pomace: influence of solvent composition and temperature

Temperature (˚C)

Time (min)

TPC (mg GAE/g db)

60

0

0

5

8.54 ± 0.20

10

8.72 ± 0.41

15

8.85 ± 0.12

20

9.19 ± 0.36

25

9.06 ± 0.44

40

0

0

5

7.24 ± 0.34

10

7.58 ± 0.12

15

7.68 ± 0.12

20

8.05 ± 0.32

25

7.76 ± 0.35

20

0

0

5

6.02 ± 0.45

10

6.38 ± 0.27

15

6.46 ± 0.36

20

7.06 ± 0.47

25

6.77 ± 0.21