Rubiadin是从茜草（Rubia cordifolia）根部提取的天然产物，具有肝脏保护作用，能够防止由四氯化碳 (CCl4) 引起的肝损伤，且具有强效的抗氧化特性。

Mollugin是一种口服有效的 NF-κB 抑制剂，可诱导 HepG2 细胞 DNA 损伤和活性氧水平增加，通过 p38-Smad 信号通路增强 BMP-2 成骨作用，表现出抗癌和抗炎活性，是从血根草中提取的天然产物。

Furomollugin is a natural product isolated and purified from the roots of Rubia cordifolia L. with antiviral activity, can strongly suppress the secretion of hepatitis B surface antigen (HBsAg), with IC50 of 2.0 mg/mL, in human hepatoma Hep3B cells.

Rubioncolin C is a natural product isolated and purified from plants.

Purpurin, a natural product isolated and purified from the herbs of Rubia cordifolia L. with antifungal activity, suppresses C. albicans morphogenesis and causes distorted biofilm formation, and is a specific inhibitor of Adipocyte-derived leucine aminopeptidase and could be developed as an anti-angiogenic agent.

6-Hydroxyrubiadin is a natural product isolated and purified from the roots of Rubia cordifolia L..

Rubianthraquinone is a natural product isolated and purified from the roots of Rubia yunnanensis.