Texture and quality properties of Chinese fresh egg noodles formulated with green seaweed (Monostroma nitidum) powder

  • Chang H
  • Wu L
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Abstract

The objective of this study was to compare fresh Chinese noodles made with different levels of green seaweed. Green seaweed powder was incorporated in proportions of 4%, 6%, and 8% in noodles, which were made with or without additional eggs. Proximate compositions, cooking properties, textural intensities, and sensory qualities of noodles were assessed. The addition of seaweed powder increased the crude fiber contents of raw fresh noodles; the fiber contents were 0.100%+/- 0.015 to 0.449%+/- 0.013 for noodles made with eggs from 0% to 8% additional seaweed and 0.247%+/- 0.018 to 0.344%+/- 0.021 for those without eggs. Higher cooking yields were found in the noodles, due to water absorption during cooking by the fibers and polysaccharides in the seaweed. Significantly higher cooking yields (P < 0.05) were found in the noodles with 8% additional seaweed powder; water uptake readings measured 2.39 +/- 0.38 and 2.43 +/- 0.25 g H(2)O/g noodle for samples made without and with eggs, respectively. Higher water absorption by the seaweed led to softer and spongier textural intensities in the noodles. Breaking energy of cooked fresh egg noodles were 28.94 +/- 3.42 to 6.43 +/- 1.01 N x mm for 8% to 0% additional seaweed, and the intensities decreased as the amount of seaweed increased; the same pattern was observed in noodles without eggs, where readings were 8.66 +/- 1.02 to 3.49 +/- 0.25 N x mm. Capacities of extensibility measured 61.81 +/- 2.04 to 30.74 +/- 0.90 mm for fresh egg noodles with additional seaweed powder from 0% to 8%, and 47.46 +/- 2.41 to 28.36 +/- 2.25 mm for cooked fresh noodles without eggs. The results from Pearson's correlation analysis indicated that textural parameters were influenced not only by additional eggs and seaweed powder, but also by cooking properties.

Author-supplied keywords

  • Cooking yield
  • Noodles
  • Seaweeds
  • Sensory evaluation
  • Texture

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Authors

  • H. C. Chang

  • L. C. Wu

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