Characteristics of chemical constituents and red pigment of orange adductor muscle of scallop <i>Mizuhopecten yessoensis</i> in the Okhotsk Sea and anti-oxidative activity of the pigment

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  • NARITA MASANAO
    Hokkaido Research Organization Abashiri Fisheries Research Institute
  • MAOKA TAKASHI
    Research Institute for Production Development
  • EBITANI KOHJI
    Hokkaido Research Organization Central Fisheries Research Institute
  • NISHINO HOYOKU
    Ritsumeikan University Research Organization of Science and Engineering

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Other Title
  • オホーツク海のホタテガイ赤橙色貝柱における一般成分および赤色色素の同定と抗酸化作用について
  • オホーツクカイ ノ ホタテガイ アカダイダイイロ カイバシラ ニ オケル イッパン セイブン オヨビ アカイロ シキソ ノ ドウテイ ト コウサンカ サヨウ ニ ツイテ

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Abstract

  Ordinary, adductor muscle of scallop is white or light yellow, but orange adductor muscle, which is a color variant, rarely occurs. This paper describes the chemical components of orange adductor muscle and the anti-oxidative activity of the pigment contained in orange adductor muscle in the Okhotsk Sea. With regard to chemical components, moisture, crude protein, crude ash, glycogen and free amino acid, there were no significant differences between orange adductor muscle and ordinary adductor muscle. The main pigment of orange adductor muscle was identified by UV-visible, MS, 1H and 13CNMR spectral data as pectenolone, which is a carotenoid widely distributed in marine shellfish. Pectenolone showed anti-oxidative activity. This activity was slightly weaker than that of astaxanthin but stronger than that of β-carotene. Thus, we concluded that pectenolone contained in orange adductor muscle is an effective pigment of carotenoid.<br>

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