天然色素用英语怎么说？

天然色素

例句

• Lutein is a kind of natural pigment, extracted scientifically from natural marigold. 叶黄素是以万寿菊花为原料, 采用科学方法提取精制而成的天然色素.
• The brown pigment of loquat nut is natural and pigment. 枇杷果核棕色素是一种天然色素.
• The stabilization technologies of natural pigments were introduced based on its characteristics of lability. 针对天然色素不稳定的特点,介绍了天然色素的稳定化方法.
• Paprika Oleoresin is a natural pigment extracted from paprika . Its main compositions are capsanthin and capsorubin. 辣椒红色素是以优质辣椒为原料,采用科学方法提取、分离、精制而成的天然色素.