Related Experiment Video
Updated: May 11, 2026
12:15
Generation of Monoclonal Antibodies Against Natural Products
Published on: April 6, 2019
Cytotoxic monacolin analogs from Monascus purpureus-fermented rice
Ming-Tao Liu1, A-Li Wang, Zhen Sun
1Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing 100191, China.
Journal of Asian Natural Products Research
|May 11, 2013
Summary
Researchers isolated two new monacolin analogs from fermented rice. Monacolin O showed selective cytotoxic activity against specific tumor cell lines, indicating potential anti-cancer properties.
Area of Science:
- Natural Product Chemistry
- Pharmacology
- Organic Chemistry
Background:
- Monascus purpureus-fermented rice is a source of bioactive compounds.
- Monacolins are a class of natural products with diverse biological activities.
Purpose of the Study:
- To isolate and characterize new monacolin analogs from Monascus purpureus-fermented rice.
- To evaluate the cytotoxic activity of the isolated compounds against human tumor cell lines.
Main Methods:
- Isolation of compounds using ethanolic extraction.
- Structure elucidation via spectroscopic methods (2D NMR, CD) and chemical analysis.
- Cytotoxicity assays against five human tumor cell lines (A2780, A549, etc.).
Main Results:
- Two new monacolin analogs, monacolins O (1) and P (2), were identified alongside three known analogs.
- Monacolin O (1) demonstrated selective cytotoxic activity against A2780 and A549 cell lines.
- The IC50 values for monacolin O against A2780 and A549 were 3.7 μM and 8.0 μM, respectively.
Conclusions:
- Monascus purpureus fermentation yields novel monacolin analogs.
- Monacolin O possesses selective anti-cancer properties, warranting further investigation for therapeutic potential.
