Table 2 Hydrolysate product yield, degree of hydrolysate, color value, visualize appearance, proximate composition, and extraction efficiency of Sangyod rice bran hydrolysate (SYRB)

Hydrolysate product yield (g/100 g, dry basis)

–

26.87 ± 2.51^c

43.60 ± 1.35^ab

42.82 ± 1.37^b

27.67 ± 2.52^c

45.82 ± 1.79^a

44.30 ± 2.55^ab

29.40 ± 3.13^c

44.16 ± 1.82^ab

46.32 ± 0.70^a

Degree of hydrolysate (%)

–

46.15 ± 2.09^e

55.12 ± 3.20^c

58.72 ± 2.09^c

57.26 ± 1.21^c

72.94 ± 4.36^b

76.67 ± 2.09^b

67.52 ± 2.42^d

84.62 ± 2.09^a

81.20 ± 1.21^a

Color

 L^*

42.03 ± 0.01 ^g

64.41 ± 0.04^d

59.48 ± 0.02^f

61.00 ± 0.02^e

65.98 ± 0.01^c

65.80 ± 0.12^c

64.80 ± 0.01^d

69.58 ± 0.01^b

71.14 ± 0.00^a

68.98 ± 0.01^b

 a^*

9.39 ± 0.01^c

11.01 ± 0.01^a

10.72 ± 0.01^b

11.27 ± 0.00^a

10.48 ± 0.01^b

10.52 ± 0.02^b

9.99 ± 0.01^b

9.73 ± 0.01^bc

9.28 ± 0.01^c

9.45 ± 0.01^c

 b^*

8.55 ± 0.02^e

16.14 ± 0.01^a

12.35 ± 0.01^d

13.48 ± 0.02^bc

14.14 ± 0.01^b

16.26 ± 0.03^a

13.04 ± 0.01^c

12.55 ± 0.01^d

12.79 ± 0.01^d

13.96 ± 0.02^b

 ΔE

–

23.69 ± 0.02^e

17.91 ± 0.01 ^g

19.69 ± 0.03^f

24.62 ± 0.01^d

25.01 ± 0.12^c

23.22 ± 0.01^e

27.84 ± 0.00^b

29.42 ± 0.01^a

27.49 ± 0.00^b

Visual appearance

Proximate composition

(g/ 100 g, dry basis)

 Protein

5.12 ± 0.02^a

1.54 ± 0.02^c

3.72 ± 0.06^b

3.81 ± 0.04^b

1.44 ± 0.03^c

3.71 ± 0.07^b

3.84 ± 0.04^b

1.51 ± 0.01^c

3.81 ± 0.05^b

3.97 ± 0.05^b

 Lipid

19.51 ± 0.18^a

1.36 ± 0.05^c

1.48 ± 0.04^c

1.42 ± 0.03^c

1.44 ± 0.08^c

1.48 ± 0.05^c

1.48 ± 0.04^c

1.74 ± 0.02^b

1.76 ± 0.04^b

1.72 ± 0.04^b

 Ash

10.96 ± 0.07^a

6.06 ± 0.13^bc

4.58 ± 0.13^d

4.32 ± 0.17^de

6.26 ± 0.14^b

4.25 ± 0.12^e

4.39 ± 0.12^de

5.82 ± 0.09^c

4.61 ± 0.23^d

4.41 ± 0.29^de

 Moisture^♣

2.24 ± 0.29^b

4.80 ± 0.18^a

4.36 ± 0.39^a

4.61 ± 0.42^a

4.35 ± 0.13^a

4.63 ± 0.20^a

4.45 ± 0.27^a

4.39 ± 0.33^a

4.35 ± 0.13^a

4.61 ± 0.30^a

Protein extraction efficiency (%

100 ± 0.00^a

30.10 ± 0.49^f

70.81 ± 0.91^e

74.40 ± 0.79^c

28.21 ± 0.49^f

72.51 ± 1.07^d

75.05 ± 0.90^c

29.58 ± 0.03^f

74.53 ± 0.66^c

79.61 ± 0.88^b