Membrane Feed, used for
nanofiltration		 Fraction Antioxidant
activity [%]
of diluted
fraction 1/20
(V/V)		 Flavonoids
[mg/ml]±sd*		 Тotal Рhenols
[mg/ml]±sd*		 Rejection of
flavonoids
[%]		 Rejection
of total
phenols
[%]		 Degree of
concentration of
flavonoids
[%]		 Degree of concentration of
total phenols [%]
  Extract 93 3.078±0.005 17.821±0.055 34 31 145 131
DuramemTM
900
(MWCO 900
Da)		 Extract Retentate
(R900)		 94 4.468±0.003 23.356±0.068
Permeate
(P900)		 76 2.030±0.003 12.308±0.009
DuramemTM
500
(MWCO 500
Da)		 Permeate from
DuramemTM
900		 Retentate
(R500)		 91 4.020±0.008 20.935±0.046 65 53 198 170
Permeate
(P500)		 38 0.720±0.002 5.838±0.023
Extract Retentate
(R500)		 97 7.180±0.013 33.994±0.023 77 68 233 191
Permeate
(P500)		 39 0.709±0.001 5.762±0.011
DuramemTM
300
(MWCO 300
Da)		 Permeate from
DuramemTM
500		 Retentate
(R500)		 48 1.474±0.001 10.796±0.023 70 59 204 185
Permeate
(P500)		 19 0.216±0.001 2.395±0.005
Extract Retentate
(R500)		 98 8.034±0.025 37.636±0.046 93 87 261 210
Permeate
(P500)		 19 0.207±0.001 2.402±0.023
Table 1: