Table 7. Superoxide anion radical scavenging ability of aronia stored at different storage temperatures

(%)

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

12.5 25 50 100

Fresh (initial) 10.3±0.3^f^A 18.1±0.5^f^B 27.4±1.2^f^C 45.8±1.1^f^D

4 4 4.9±1.2^d^A 8.3±0.9^e^B 15.7±1.3^c^C 35.1±0.3^c^D

8 3.6±1.0^c^A 7.2±1.4^d^B 14.4±1.3^c^C 34.4±0.8^c^D

12 3.1±0.6^c^A 5.9 ±0.9^c^B 12.6±0.9^b^C 31.2±1.5^b^D

16 2.7±0.5^b^A 4.6±1.2^b^B 11.6±2.0^b^C 29.4±0.4^b^D

20 0.8±1.4^a^A 1.9±2.5^a^B 6.5±2.6^a^C 11.0±2.0^a^D

-20 4 8.0±2.4^e^A 10.6±0.4^e^B 17.8±0.6^d^C 41.9±0.2^d^D

8 4.8±0.8^d^A 9.4±2.8^e^B 16.6±2.6^d^C 41.3±0.5^d^D

12 4.2±0.2^c^A 7.5±0.1^d^B 16.5±0.7^d^C 39.2±1.4^d^D

16 2.8±0.6^b^A 5.3±0.3^b^c^B 14.8±0.4^c^C 33.3±0.6^c^D

20 1.7±0.6^a^A 4.2±0.4^b^B 12.5±0.4^b^C 32.6±0.2^c^D

-80 4 9.6±0.5^f^A 16.2±0.7^a^B 25.5±1.1^e^C 43.1±0.2^e^D

8 6.4±0.6^e^A 12.9±0.3^a^B 23.2±0.9^d^e^C 42.7±0.9^e^D

12 5.2±0.8^d^A 10.7±0.7^a^B 21.2±0.6^d^e^C 42.1±0.4^e^D

16 4.3±0.6^c^d^A 8.2±0.4^a^B 19.0±0.9^d^C 40.6±0.2^d^D

20 2.9±0.5^c^A 6.9±1.1^a^B 15.9±1.2^c^C 37.0±0.8^c^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)		10.3±0.3^f^A	18.1±0.5^f^B	27.4±1.2^f^C	45.8±1.1^f^D
4	4	4.9±1.2^d^A	8.3±0.9^e^B	15.7±1.3^c^C	35.1±0.3^c^D
	8	3.6±1.0^c^A	7.2±1.4^d^B	14.4±1.3^c^C	34.4±0.8^c^D
	12	3.1±0.6^c^A	5.9 ±0.9^c^B	12.6±0.9^b^C	31.2±1.5^b^D
	16	2.7±0.5^b^A	4.6±1.2^b^B	11.6±2.0^b^C	29.4±0.4^b^D
	20	0.8±1.4^a^A	1.9±2.5^a^B	6.5±2.6^a^C	11.0±2.0^a^D
-20	4	8.0±2.4^e^A	10.6±0.4^e^B	17.8±0.6^d^C	41.9±0.2^d^D
	8	4.8±0.8^d^A	9.4±2.8^e^B	16.6±2.6^d^C	41.3±0.5^d^D
	12	4.2±0.2^c^A	7.5±0.1^d^B	16.5±0.7^d^C	39.2±1.4^d^D
	16	2.8±0.6^b^A	5.3±0.3^b^c^B	14.8±0.4^c^C	33.3±0.6^c^D
	20	1.7±0.6^a^A	4.2±0.4^b^B	12.5±0.4^b^C	32.6±0.2^c^D
-80	4	9.6±0.5^f^A	16.2±0.7^a^B	25.5±1.1^e^C	43.1±0.2^e^D
	8	6.4±0.6^e^A	12.9±0.3^a^B	23.2±0.9^d^e^C	42.7±0.9^e^D
	12	5.2±0.8^d^A	10.7±0.7^a^B	21.2±0.6^d^e^C	42.1±0.4^e^D
	16	4.3±0.6^c^d^A	8.2±0.4^a^B	19.0±0.9^d^C	40.6±0.2^d^D
	20	2.9±0.5^c^A	6.9±1.1^a^B	15.9±1.2^c^C	37.0±0.8^c^D