calyxin b

Calyxin B exhibits potent activity against human HT-1080 fibrosarcoma cells with an ED50 value of 0.69 microM. A methylated product of calyxin A and an epimeric mixture of Calyxin B, showed greatly reduced activity suggesting that phenolic hydroxyl groups

Eriocalyxin B 是从中草药枇杷素中分离得到的一种二萜类天然产物，可诱导细胞凋亡，具有抗癌和抗炎作用。

Glaucocalyxin B 是从碎米桠中分离出来的二萜类天然产物，可降低 HL-60 细胞的生长，IC50为 5.86 μM，具有抗癌和抗肿瘤活性。