Purification and Identification of Melanogenesis Inhibitory Factors in Miso.

  • AIDA Kazuhiko
    Central Laboratory, Nippon Flour Mills Co., Ltd
  • SHINMOTO Hiroshi
    National Food Research Institute, the Ministry of Agriculture, Forestry and Fisheries
  • KOBORI Masuko
    National Food Research Institute, the Ministry of Agriculture, Forestry and Fisheries
  • TSUSHIDA Tojiro
    National Food Research Institute, the Ministry of Agriculture, Forestry and Fisheries

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  • 味噌中のメラニン生成抑制物質の同定
  • ミソ ノ メラニン セイセイ ヨクセイ ブッシツ

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In the previous paper, we reported that an extract from miso strongly suppressed melanogenesis of B16C7 melanoma cells. In this paper, we purified two melanogenesis suppressing materials. The materials were identified to be linoleic acid and ethyl linoleate by mass spectrometric analysis. Synthesis of tyrosinase, a key enzyme on melanogenesis, of B16C7 melanoma cells was strongly suppressed by addition of linoleic acid to a culture medium, whereas linoleic acid did not inhibit the activity of partially purified tyrosinase from B16C7 melanoma cells.

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