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Absorption of color additives and settling volume in water of blue-green alga, ishikurage (Nostoc commune)

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Abstract

The properties of ishikurage (Nostoc commune) and other algae were compared. Ishikurage and suizenji nori (Aphanothece sacrum) absorbed much more amaranth than others. They have a high settling volume (SV) in water. The high SV of ishikurage is attributable to its neutral detergent fiber (NDF). The acid detergent fiber (ADF) from the alga had a high amaranth absorption. However the absorption by the ADF did not explain the absorption by ishikurage.

The results suggest that ishikurage may have a nutritional significance as a source of dietary fiber.

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Authors and Affiliations

  1. Department of Home Economics, Fukuoka University of Education, 729 Akama, Munakata, 811-41, Fukuoka, Japan

    Kohji Hori, Tomoko Ueno-Mohri & Takuo Okita

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  1. Kohji Hori
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  2. Tomoko Ueno-Mohri
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  3. Takuo Okita
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Hori, K., Ueno-Mohri, T. & Okita, T. Absorption of color additives and settling volume in water of blue-green alga, ishikurage (Nostoc commune). Plant Food Hum Nutr 42, 31–36 (1992). https://doi.org/10.1007/BF02196070

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  • DOI: https://doi.org/10.1007/BF02196070

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