alkannin

n. [化]紫(朱)草素,紫草红

词形变化

alkannins 复数 alkannins

释义与例句

n.
  1. 1.

    A natural dye and naphthoquinone derivative obtained from the borage plant Alkanna tinctoria, used as a food colouring and in cosmetics.

    可数 不可数

词源

From Alkanna + -in.

来源：wiktionary