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Gracillin is a steroidal saponin that has been found in C. speciosus and has diverse biological activities.1,2,3 It reduces cell growth in a panel of 58 leukemia, non-small cell lung, colon, CNS, prostate, melanoma, ovarian, renal, and breast cancer cell lines (GI50s = 0.58-2.44 μM).1 Gracillin reduces growth of fish Ich parasite (I. multifiliis) theronts (EC50 = 0.53 mg/L) and induces 100 and 92.5% mortality of I. multifiliis protomonts and encysted tomonts, respectively, when used at a concentration of 0.8 mg/L.2 It decreases the number of I. multifiliis-infected goldfish by approximately 75% when used at a concentration of 1 mg/L in tank water. Gracillin (100 mg/kg) reduces ear edema induced by arachidonic acid (Item No. 90010) in mice.3
WARNING This product is not for human or veterinary use.
1. The cytotoxicity of methyl protoneogracillin (NSC-
2. Antiparasitic efficacy of Gracillin and Zingibernsis newsaponin from Costus speciosus (Koen ex. Retz) Sm. against Ichthyophthirius multifiliis. Parasitology 142(3), 473-479 (2015).
3. Inhibition of mouse ear edema by steroidal and triterpenoid saponins. Arch. Pharm. Res. 22(3), 313-316 (1999).