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Table 1 In vitro antioxidant activity of sea cucumber protein hydrolysates

From: Antioxidant potential and physicochemical properties of protein hydrolysates from body parts of North Atlantic sea cucumber (Cucumaria frondosa)

Sample

DPPH Radical Scavenging Activity

(mmol of Trolox/g of sample)

ABTS Radical Scavenging Activity

(μmol of Trolox/g of sample)

Meta Chelation Activity

(μmol of EDTA/g of sample)

Body wall

 BW

10.06 ± 0.80d

21.04 ± 0.68e

16.55 ± 1.00e

 BWA

12.64 ± 0.67c

47.13 ± 1.39bc

28.04 ± 0.57c

 BWF

14.29 ± 0.13ab

33.90 ± 0.92d

25.09 ± 0.60d

 BWC

11.89 ± 0.41c

44.93 ± 0.79c

35.26 ± 0.57b

 BW (C + F)

12.97 ± 0.20bc

49.13 ± 0.78b

34.41 ± 0.68b

 BW (A + F)

14.66 ± 0.63a

71.25 ± 0.38a

37.44 ± 0.99a

Flower

 FL

11.85 ± 0.83d

18.57 ± 0.37f

18.20 ± 0.18d

 FLA

14.54 ± 0.33c

33.07 ± 0.61e

27.21 ± 0.60c

 FLF

15.09 ± 0.76bc

72.21 ± 0.51b

25.57 ± 0.65c

 FLC

15.03 ± 0.58bc

61.15 ± 0.65d

32.88 ± 0.36b

 FL (C + F)

16.51 ± 0.18ab

69.96 ± 0.30c

37.02 ± 1.51a

 FL (A + F)

16.72 ± 0.29a

79.08 ± 0.56a

36.53 ± 0.54a

Internal organs

 IN

7.08 ± 0.42c

17.79 ± 0.81e

18.66 ± 0.77d

 INA

11.83 ± 0.98b

27.75 ± 0.58c

25.97 ± 0.89c

 INF

12.79 ± 0.17ab

29.11 ± 0.50c

26.16 ± 1.01c

 INC

13.03 ± 0.18ab

39.15 ± 0.11a

31.74 ± 0.84b

 IN (C + F)

13.20 ± 0.06a

23.34 ± 0.82d

36.45 ± 0.64a

 IN (A + F)

13.31 ± 0.54a

36.21 ± 0.57b

36.80 ± 0.60a

  1. BW Body wall, FL Flower, IN Internal organs, A Alcalase, F Flavourzyme, C Corolase, C + F Mixture of Corolase and Flavourzyme, A + F Mixture of Alcalase and Flavourzyme;
  2. Data are expressed as means ±SD from triplicate determinations
  3. Different superscripts in each column for the same colour parameter of protein hydrolysates prepared from each body part indicates significant difference at p < 0.05