Astaxanthin(ASTA), a nonprovitamin A oxygenated carotenoid, has powerful biological activities including antioxidant, antitumor and immuin enhancement effects.

• 虾青素(Astaxanthin,ASTA)是一种非维生素A原的类胡萝卜素,有极强的抗氧化性能,具有抑制肿瘤发生,增强免疫功能等多种生物活性。