To provide an antioxidant extracted from microalgae and a cosmetic containing the antioxidant.
This antioxidant is an extract from the microalgae belonging to the genus Nostoc or Aphanizomenon in the order Nostocales and the genus Oscillatoria or Spirulina in the order Oscillatoriales each belonging to the class Cyanophyceae, the genus Porphyridium or Rhodosorus in the order Porphyridiales each belonging to Rhodophyceae, the genus Chlorella in the order of Chlorococcales and the genus Dunaliella in the order of Volvocales and the genus Closteriumu in the order of Zygnematales each belonging to the class Chlorophyceae, the genus Pleurochrysis in the order of Isochrysidales and the genus Phaeocystis in the order of Prymnesidales each belonging to Haptophyceae, and the genus Euglena in the order of Euglenales belonging to the class Euglenophyceae. This antioxidant improves its anti-oxidant property by a combination of vitamins C or E of a natural antioxidant.
HORI MASAKO
YAMAGUCHI YUJI
TAKENAKA HIROYUKI
