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Table 3 Moisture and protein contents of roe alkaline insoluble washed waters (RAI-WWs) and roe protein isolate washed waters (RPI-WWs) by a washing process

From: Preparation and characterization of protein isolate from Yellowfin tuna Thunnus albacares roe by isoelectric solubilization/precipitation process

Sample Moisture (%) Protein (%) Volume (mL/100 g roe) Proteina (mg/mL) Total protein (mg)
RAI-WW11 99.5 ± 0.1a 0.3 ± 0.0a 262.5 1.21 ± 0.0a 315.0
RAI-WW12 99.5 ± 0.0a 0.3 ± 0.2a 283.6 1.16 ± 0.0b 340.3
     
RPI-WW1 99.7 ± 0.1a 0.2 ± 0.0a 320.6 0.58 ± 0.0c 192.4
RPI-WW2 99.7 ± 0.1a 0.2 ± 0.0a 352.3 0.47 ± 0.0e 176.2
RPI-WW3 99.7 ± 0.1a 0.2 ± 0.0a 317.1 0.48 ± 0.0de 158.6
RPI-WW4 99.7 ± 0.2a 0.2 ± 0.3a 266.9 0.53 ± 0.0d 133.5
  1. RAI-WW11 and RAI-WW12, roe alkaline insoluble washed waters of RAI-11 and RAI-12, respectively
  2. RPI-WW1-4, roe protein isolate washed water of RAIs (1–4)
  3. Values are means ± standard deviation of triplicate determinations
  4. Means with same letters within the moisture (%) and protein (%) are not significantly different at P > 0.05, and means with different letters within the protein concentration are significantly different P < 0.05 by Duncan’s multiple range test
  5. aBased on Lowry method (1951)