Figures (1)  Tables (8)
    • Figure 1. 

      Color of wet noodles with various proportions of composite flour and concentrations of butterfly pea flower extract.

    • Treatment Code Ingredients
      Salt
      (g)
      Fresh
      whole
      egg (g)
      Water
      (mL)
      Butterfly
      pea extract
      solution (mL)
      Composite
      flour (g)
      1 K0T0 3 30 30 0 150
      2 K0T15 3 30 0 30 150
      3 K0T30 3 30 0 30 150
      4 K1T0 3 30 30 0 150
      5 K1T15 3 30 0 30 150
      6 K1T30 3 30 0 30 150
      7 K2T0 3 30 30 0 150
      8 K2T15 3 30 0 30 150
      9 K2T30 3 30 0 30 150
      10 K3T0 3 30 30 0 150
      11 K3T15 3 30 0 30 150
      12 K3T30 3 30 0 30 150
      K0 = wheat flour : stink lily flour : κ-carrageenan = 80:20:0 (%w/w). K1 = wheat flour : stink lily flour : κ-carrageenan = 80:19:1 (%w/w). K2 = wheat flour : stink lily flour : κ-carrageenan = 80:18:2 (%w/w). K3 = wheat flour : stink lily flour : κ-carrageenan = 80:17:3 (%w/w). T0 = concentration of the butterfly pea extract = 0%. T15 = concentration of the butterfly pea extract = 15%. T30 = concentration of the butterfly pea extract = 30%.

      Table 1. 

      Formula of wet noodles.

    • Samples Moisture content (% w/w) Water activity Swelling index (%) Cooking loss (%) Tensile strength (g)
      K0T0 67.94 ± 0.11 0.975 ± 0.008 126.39 ± 2.06 18.91 ± 0.03 0.102 ± 0.008
      K0T15 68.31 ± 0.07 0.976 ± 0.005 126.84 ± 1.69 19.02 ± 0.10 0.094 ± 0.003
      K0T30 67.86 ± 0.66 0.978 ± 0.008 131.85 ± 2.97 19.76 ± 0.75 0.095 ± 0.003
      K1T0 67.64 ± 0.27 0.971 ± 0.009 127.45 ± 7.15 18.71 ± 0.13 0.108 ± 0.007
      K1T15 68.34 ± 0.44 0.973 ± 0.004 131.46 ± 0.93 18.77 ± 0.11 0.116 ± 0.011
      K1T30 68.63 ± 1.08 0.969 ± 0.005 141.83 ± 8.15 19.32 ± 0.29 0.108 ± 0.008
      K2T0 68.64 ± 0.52 0.974 ± 0.008 132.81 ± 3.77 18.26 ± 0.12 0.140 ± 0.002
      K2T15 69.57 ± 0.59 0.973 ± 0.004 138.12 ± 1.18 18.43 ± 0.06 0.138 ± 0.006
      K2T30 68.46 ± 0.68 0.962 ± 0.002 141.92 ± 8.23 18.76 ± 0.06 0.138 ± 0.013
      K3T0 69.71 ± 0.95 0.969 ± 0.008 155.00 ± 4.16 17.54 ± 0.27 0.183 ± 0.002
      K3T15 69.08 ± 0.38 0.973 ± 0.005 158.67 ± 7.28 18.03 ± 0.28 0.170 ± 0.011
      K3T30 69.76 ± 0.80 0.970 ± 0.005 163.66 ± 7.52 18.33 ± 0.03 0.161 ± 0.002
      No significant effect of interaction between composite flour and butterfly pea extract on quality properties of wet noodles. The results were presented as SD of means that were achieved in triplicate. All of the data showed that no interaction of the two parameters influenced the quality properties of wet noodles at p ≤ 0.05.

      Table 2. 

      Quality properties of wet noodles at various ratios of composite flour and concentrations of butterfly pea flower extract.

    • Samples Moisture content (% w/w) Water activity Swelling index (%) Cooking loss (%) Tensile strength (g)
      K0 68.04 ± 0.40a 0.976 ± 0.01b 128.36 ± 3.30a 19.23 ± 0.55d 0.097 ± 0.097a
      K1 68.20 ± 0.74a 0.971 ± 0.01a 133.58 ± 8.42b 18.93 ± 0.34c 0.112 ± 0.111b
      K2 68.89 ± 0.73b 0.970 ± 0.01a 137.62 ± 6.05b 18.48 ± 0.23b 0.141 ± 0.139c
      K3 69.52 ± 0.73c 0.971 ± 0.01a 159.11 ± 6.77c 17.96 ± 0.40a 0.173 ± 0.171d
      All of the data showed that there was a significant effect of composite flour on the quality properties of wet noodles at p ≤ 0.05. The results were presented as SD of means that were achieved in triplicate. Means with different superscript letters in the same column are significantly different, p ≤ 0.05.

      Table 3. 

      Effect of composite flour proportions on quality properties of wet noodles.

    • Samples Moisture content (% w/w) Water activity Swelling index (%) Cooking loss (%) Tensile strength (g)
      T0 68.48 ± 0.96 0.970 ± 0.010 135.41 ± 12.72a 18.35 ± 0.57a 0.134 ± 0.034b
      T15 68.67 ± 0.66 0.974 ± 0.000 138.77 ± 13.12a 18.56 ± 0.41a 0.130 ± 0.030ab
      T30 68.83 ± 1.00 0.970 ± 0.010 144.82 ± 13.55b 19.04 ± 0.67b 0.129 ± 0.028a
      All of the data showed that there was a significant effect of butterfly pea extract concentration on the quality properties of wet noodles at p ≤ 0.05. The results were presented as SD of means that were achieved in triplicate. Means with different superscript letters in the same column are significantly different, p ≤ 0.05.

      Table 4. 

      Effect of butterfly pea extract concentration on quality properties of wet noodles.

    • SamplesL*a*b*Coh
      K0T0 66.10 ± 0.30f0.90 ± 0.10f15.70 ± 0.10f15.70 ± 0.10f86.60 ± 0.20a
      K0T1548.70 ± 0.20c−11.40 ± 0.30bc−3.50 ± 0.20c12.00 ± 0.30c197.00 ± 0.70c
      K0T3044.00 ± 0.60a−12.80 ± 0.20a−6.50 ± 0.30a14.40 ± 0.20e206.90 ± 1.00d
      K1T0 67.10 ± 0.40f0.90 ± 0.20f15.80 ± 0.60f15.80 ± 0.60f86.60 ± 0.50a
      K1T1551.50 ± 1.80d−10.80 ± 0.40cd−3.00 ± 0.20cd11.30 ± 0.40bc195.60 ± 0.60c
      K1T3045.50 ± 0.20b−11.80 ± 0.80b−6.30 ± 0.30a13.40 ± 0.70d208.40 ± 2.30d
      K2T0 67.10 ± 0.20f1.00 ± 0.10f16.30 ± 0.10fg16.30 ± 0.10fg86.40 ± 0.10a
      K2T1553.40 ± 0.30e−10.30 ± 0.80de−2.80 ± 0.10d10.70 ± 0.80b195.50 ± 1.30c
      K2T3046.00 ± 0.40b−10.40 ± 0.20de−6.10 ± 0.40a12.10 ± 0.40c210.60 ± 1.30e
      K3T0 67.40 ± 0.30f1.20 ± 0.10f16.80 ± 0.70g16.90 ± 0.70g85.90 ± 0.20a
      K3T1553.80 ± 1.30e−9.80 ± 0.70e−1.20 ± 0.20e9.90 ± 0.70a187.50 ± 1.10b
      K3T3047.90 ± 0.70c−10.10 ± 0.40de−5.50 ± 0.30b11.60 ± 0.20bc208.40 ± 2.30d
      All of the data showed that there was a significant effect of interaction between composite flour and butterfly pea extract on the quality properties of wet noodles at p ≤ 0.05. The results were presented as SD of means that were achieved in triplicate. Means with different superscript letters in the same column are significantly different, p ≤ 0.05.

      Table 5. 

      Effect of interaction between composite flour and butterfly pea extract on wet noodle color.

    • SamplesTPC (mg GAE/kg
      dried noodles)
      TFC (mg CE/kg
      dried noodles)
      TAC (mg define-3-glucoside/kg
      dried noodles)
      DPPH (mg GAE/kg
      dried noodles
      FRAP (mg GAE/kg
      dried noodles)
      K0T0126.07 ± 0.90a16.74 ± 6.26a0.00 ± 0.00a2.99 ± 0.16a0.009 ± 0.001a
      K0T15172.57 ± 2.14e36.66 ± 2.84d2.67 ± 0.21b21.54 ± 1.71d0.023 ± 0.002c
      K0T30178.07 ± 2.54f48.36 ± 3.29f3.94 ± 0.28c39.23 ± 0.91f0.027 ± 0.002e
      K1T0137.07 ± 1.32b21.66 ± 3.67b0.00 ± 0.00a3.13 ± 0.19a0.011 ± 0.001a
      K1T15178.48 ± 0.95f36.95 ± 3.05d2.74 ± 0.21b21.94 ± 0.68d0.023 ± 0.001cd
      K1T30183.65 ± 1.67g52.28 ± 3.08g3.84 ± 0.19c41.42 ± 1.30g0.029 ± 0.001f
      K2T0150.40 ± 0.52d27.49 ± 5.39c0.00 ± 0.00a7.45 ± 0.69c0.014 ± 0.001b
      K2T15202.48 ± 0.63j48.28 ± 2.41f2.95 ± 0.57b24.70 ± 0.90e0.025 ± 0.001d
      K2T30206.90 ± 2.43i56.99 ± 7.45h3.93 ± 0.42c47.55 ± 1.31i0.034 ± 0.002g
      K3T0141.15 ± 1.28c25.37 ± 3.46c0.00 ± 0.00a5.45 ± 0.49b0.013 ± 0.001b
      K3T15186.32 ± 1.15h43.57 ± 2.28e2.66 ± 0.21b22.45 ± 0.48d0.024 ± 0.001cd
      K3T30189.90 ± 0.63k54.95 ± 3.72gh3.98 ± 0.37c44.93 ± 1.28h0.031 ± 0.001f
      All of the data showed that there was a significant effect of interaction between composite flour and butterfly pea extract to bioactive compounds and antioxidant activity of wet noodles at p ≤ 0.05. The results were presented as SD of means that were achieved in triplicate. Means with different superscript letters in the same column are significantly different, p ≤ 0.05.

      Table 6. 

      Effect of interaction between composite flour and butterfly pea extract on wet noodle's bioactive compounds and antioxidant activity.

    • ParameterTPCTFCTACDPPH
      T0T15T30T0T15T30T0T15T30T0T15T30
      TPC111
      TFC0.9550.9460.765111
      TAC0.153−0.0920.0670.028−0.239−0.020111
      DPPH0.8930.8150.8830.8830.7390.7530.1230.1270.194111
      FRAP0.8840.4250.8590.9020.4640.7420.056−0.122−0.1310.8810.3210.847
      Correlation significant at the 0.05 level (2-tailed).

      Table 7. 

      Pearson correlation coefficients between bioactive contents (TPC, TFC, and TAC) and antioxidant activity (DPPH and FRAP).

    • Samples Color Aroma Taste Texture Index effectiveness test
      K0T0 8.69 ± 3.31a 7.41 ± 3.80a 8.71 ± 3.16a 10.78 ± 2.86abcde 0.1597
      K0T15 8.96 ± 3.38b 7.75 ± 3.89b 9.35 ± 3.36cde 11.19 ± 3.10abcd 0.6219
      K0T30 8.93 ± 3.50bc 7.71 ± 3.76c 9.26 ± 3.17bcd 11.13 ± 3.09a 0.6691
      K1T0 8.74 ± 3.62a 8.13 ± 3.56ab 9.58 ± 3.13ab 11.33 ± 3.12de 0.4339
      K1T15 9.98 ± 3.06bc 8.40 ± 3.28c 10.16 ± 2.59def 10.61 ± 2.82ab 0.7086
      K1T30 10.08 ± 3.28bc 9.10 ± 3.08c 10.44 ± 2.32bcd 10.36 ± 2.81ab 0.7389
      K2T0 10.41 ± 3.01a 9.39 ± 3.27ab 11.04 ± 2.44ab 10.55 ± 2.60cde 0.3969
      K2T15 10.8 ± 2.85bc 9.26 ± 3.10c 10.11 ± 2.76f 10.89 ± 2.65abcd 0.9219
      K2T30 10.73 ± 3.02c 9.10 ± 3.46c 9.85 ± 2.99def 10.16 ± 2.74abc 0.9112
      K3T0 10.73 ± 3.42a 9.19 ± 3.38b 9.93 ± 2.50bc 10.34 ± 2.84e 0.5249
      K3T15 10.91 ± 3.23bc 9.48 ± 3.56c 10.45 ± 2.82cde 10.49 ± 2.68bcde 0.9235
      K3T30 10.88 ± 3.14c 9.49 ± 3.59c 10.81 ± 2.74ef 10.86 ± 2.60bcde 1.0504
      All of the data showed that there was a significant effect of interaction between composite flour and butterfly pea extract on the sensory properties of wet noodles at p ≤ 0.05. The results were presented as SD of means that were achieved in triplicate. Means with different superscript letters in the same column are significantly different, p ≤ 0.05.

      Table 8. 

      Effect of interaction between composite flour and butterfly pea extract to sensory properties of wet noodles and the best treatment of wet noodles based on index effectiveness test.