Table 3 Total phenolic content and antioxidant activities of black soybeans grown in Korea.

Small (N = 6)

BS5

4.625 ± 0.051^b-d

6.394 ± 0.115^a

0.396 ± 0.003^a-d

BS15

2.016 ± 0.417^hi

4.327 ± 0.152^e-g

0.354 ± 0.019^e-g

BS17

3.382 ± 0.201^e-g

4.665 ± 0.103^d-f

0.372 ± 0.020^b-f

BS11

5.535 ± 0.261^a

6.041 ± 0.263^a-d

0.399 ± 0.005^a-c

BS7

5.154 ± 0.185^ab

5.641 ± 0.330^a-e

0.403 ± 0.001^ab

BS21

2.230 ± 0.058^hi

5.920 ± 0.296^a-d

0.360 ± 0.002^c-g

Medium (N = 6)

BS14

3.916 ± 0.462^c-e

4.663 ± 0.101^d-f

0.367 ± 0.012^b-f

BS18

2.258 ± 0.117^hi

5.191 ± 0.112^a-f

0.386 ± 0.005 ^a-e

BS13

4.679 ± 0.100^bc

5.122 ± 0.878^a-f

0.357 ± 0.001^d-g

BS23

2.294 ± 0.063^hi

4.224 ± 0.738^fg

0.356 ± 0.003^d-g

BS22

1.992 ± 0.139^hi

6.147 ± 0.369^a-c

0.368 ± 0.003^b-f

BS2

3.509 ± 0.028^ef

2.510 ± 0.036^h

0.417 ± 0.007^a

Large (N = 12)

BS20

2.728 ± 0.138^f-h

6.389 ± 0.115^a

0.354 ± 0.011^e-g

BS1

3.966 ± 0.077^c-e

3.024 ± 0.538^gh

0.403 ± 0.007^ab

BS6

4.621 ± 0.279^b-d

5.102 ± 0.280^a-f

0.399 ± 0.003^a-c

BS4

3.823 ± 0.163^de

4.111 ± 0.087^fg

0.389 ± 0.003^a-e

BS24

1.829 ± 0.050ⁱ

3.842 ± 0.070^f-h

0.344 ± 0.021^fg

BS19

2.753 ± 0.371^f-h

4.859 ± 0.086^c-f

0.393 ± 0.008^a-e

BS12

4.516 ± 0.445^b-d

3.142 ± 0.101^gh

0.405 ± 0.006^ab

BS8

4.049 ± 0.173^c-e

4.187 ± 0.116^fg

0.391 ± 0.008^a-e

BS16

2.581 ± 0.008^g-i

6.272 ± 0.156^ab

0.383 ± 0.011^a-f

BS3

4.613 ± 0.042^b-d

4.966 ± 0.948^b-f

0.401 ± 0.009^a-c

BS9

3.902 ± 0.117^c-e

4.095 ± 0.166^fg

0.391 ± 0.005^a-e

BS10

4.127 ± 0.259^c-e

4.201 ± 0.125^fg

0.391 ± 0.005^a-e

Cheongja 2

1.987 ± 0.021^hi

4.162 ± 0.308^fg

0.323 ± 0.026^g

4.787 ± 0.016^g-j

CV (%)

31.75

22.07

6.10

5.29