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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