Table 3. Soluble solids yields polyphenols content and antioxidant power of raspberry phenolic extracts obtained with several enzymatic formulations. Extraction conditions: 50ºC, 18 hrs; enzyme concentration 10% (g/100 g raw material); solvent: ethanol/water 25/75; solid/liquid ratio 1/20.



Enzymatic formulation

Soluble solids (SS) g extract/
100 g d.s.

Phenolic compounds (TPC) mg
GAE/g d.s.

Antioxidant activity
(DPPH) mmol TE/100 g d.s.

Antioxidant activity
(ABTS) mmol TE/100 g d.s.

Antioxidant activity
(FRAP)
mmol AAE/
100 g d.s.

Non enzymatic control

 3.86 ± 0.14

11.35 ± 0.27

3.76 ± 0.11

13.73 ± 0.27

5.31 ± 0.23

Cellubrix

 9.47 ± 0.70

  9.75 ± 0.39

3.34 ± 0.03

13.02 ± 1.12

4.34 ± 0.20

Granozyme

5.41 ± 0.24

  9.59 ± 0.16

3.48 ± 0.02

12.14 ± 0.51

4.89 ± 0.45

Grindamyl CA 150

5.97 ± 0.05

15.79 ± 0.43

5.88 ± 0.39

15.95 ± 0.81

6.96 ± 0.16

Maxoliva

8.56 ± 0.24

15.40 ± 0.91

5.70 ± 0.47

15.02 ± 1.77

7.06 ± 0.48

Olivex

7.81 ± 0.51

11.10 ± 0.36

3.74 ± 0.12

13.86 ± 0.61

5.10 ± 0.22

Pectinex Ultra SPL

7.89 ± 0.11

11.09 ± 0.6

3.71 ± 0.25

13.63 ± 0.09

5.09 ± 0.03

Rohapect 10L

5.44 ± 0.24

10.48 ± 0.84

4.07 ± 0.19

13.28 ± 0.41

5.41 ± 0.27

Rohapect DA6L

6.09 ± 0.50

10.70 ± 0.29

3.74 ± 0.10

12.79 ± 0.79

4.91 ± 0.30

Rohapect Max

5.58 ± 0.32

12.17 ± 0.31

4.02 ± 0.11

14.36 ± 0.14

5.36 ± 0.04

Rohavin

4.17 ± 0.32

11.06 ± 0.09

3.67 ± 0.02

13.81 ± 0.20

5.35 ± 0.43

Ultrazym 100G

 12.19 ± 0.60

10.21 ± 0.19

3.79 ± 0.14

13.76 ± 0.24

5.40 ± 0.28

Viscozym

7.7 ± 0.17

10.11 ± 0.18

3.44 ± 0.12

13.73 ± 0.47

4.79 ± 0.19

 


Supported by UNESCO / MIRCEN network