Table 8. Reducing power (absorbance measured at 700 nm) of aronia stored at different storage temperatures

(O.D)

Storage temp (℃) Storage time(week) Concentration (μg aronia extract/mL)

12.5 25 50 100

Fresh (initial) 0.201±0.002^f^A 0.312±0.002^f^B 0.458±0.003^f^C 0.735±0.005^e^D

4 4 0.146±0.000^d^A 0.203±0.001^d^B 0.306±0.002^d^C 0.552±0.001^d^D

8 0.140±0.000^d^A 0.193±0.003^c^B 0.282±0.002^c^C 0.456±0.002^b^D

12 0.137±0.001^c^A 0.184±0.003^c^B 0.266±0.002^c^C 0.442±0.001^b^D

16 0.128±0.001^b^A 0.143±0.001^b^B 0.220±0.001^b^C 0.434±0.001^b^D

20 0.117±0.005^a^A 0.131±0.000^a^B 0.199±0.004^a^C 0.322±0.001^a^D

-20 4 0.145±0.000^d^A 0.207±0.001^d^B 0.313±0.000^d^C 0.523±0.001^c^D

8 0.142±0.001^d^A 0.194±0.000^c^B 0.299±0.001^c^C 0.516±0.000^c^D

12 0.140±0.002^d^A 0.193±0.002^c^B 0.288±0.000^c^C 0.513±0.001^c^D

16 0.135±0.000^c^A 0.171±0.000^c^B 0.260±0.001^c^C 0.432±0.001^b^D

20 0.126±0.001^b^A 0.157±0.001^b^B 0.216±0.001^b^C 0.341±0.000^a^D

-80 4 0.193±0.003^f^A 0.290±0.002^e^B 0.429±0.002^e^C 0.718±0.003^d^D

8 0.174±0.001^e^A 0.196±0.001^d^B 0.394±0.004^e^C 0.526±0.002^c^D

12 0.163±0.001^e^A 0.192±0.001^c^B 0.352±0.002^d^C 0.504±0.001^c^D

16 0.158±0.000^d^e^A 0.190±0.001^c^B 0.317±0.001^d^C 0.502±0.004^c^D

20 0.147±0.000^d^A 0.188±0.000^c^B 0.284±0.001^c^C 0.472±0.001^b^D

Data were the mean±SD of triplicate experiment.
^a^-^fMeans with different superscripts in the same column are significantly different at p<0.05.
^A^-^DMeans with different superscripts in the same row are significantly different at p<0.05.

Storage temp (℃)	Storage time(week)	Concentration (μg aronia extract/mL)
Storage temp (℃)	Storage time(week)	12.5	25	50	100
Fresh (initial)		0.201±0.002^f^A	0.312±0.002^f^B	0.458±0.003^f^C	0.735±0.005^e^D
4	4	0.146±0.000^d^A	0.203±0.001^d^B	0.306±0.002^d^C	0.552±0.001^d^D
	8	0.140±0.000^d^A	0.193±0.003^c^B	0.282±0.002^c^C	0.456±0.002^b^D
	12	0.137±0.001^c^A	0.184±0.003^c^B	0.266±0.002^c^C	0.442±0.001^b^D
	16	0.128±0.001^b^A	0.143±0.001^b^B	0.220±0.001^b^C	0.434±0.001^b^D
	20	0.117±0.005^a^A	0.131±0.000^a^B	0.199±0.004^a^C	0.322±0.001^a^D
-20	4	0.145±0.000^d^A	0.207±0.001^d^B	0.313±0.000^d^C	0.523±0.001^c^D
	8	0.142±0.001^d^A	0.194±0.000^c^B	0.299±0.001^c^C	0.516±0.000^c^D
	12	0.140±0.002^d^A	0.193±0.002^c^B	0.288±0.000^c^C	0.513±0.001^c^D
	16	0.135±0.000^c^A	0.171±0.000^c^B	0.260±0.001^c^C	0.432±0.001^b^D
	20	0.126±0.001^b^A	0.157±0.001^b^B	0.216±0.001^b^C	0.341±0.000^a^D
-80	4	0.193±0.003^f^A	0.290±0.002^e^B	0.429±0.002^e^C	0.718±0.003^d^D
	8	0.174±0.001^e^A	0.196±0.001^d^B	0.394±0.004^e^C	0.526±0.002^c^D
	12	0.163±0.001^e^A	0.192±0.001^c^B	0.352±0.002^d^C	0.504±0.001^c^D
	16	0.158±0.000^d^e^A	0.190±0.001^c^B	0.317±0.001^d^C	0.502±0.004^c^D
	20	0.147±0.000^d^A	0.188±0.000^c^B	0.284±0.001^c^C	0.472±0.001^b^D