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Pharmacological and safety evaluation of fibrous root of Rhizoma Coptidis

Journal name:ENVIRON TOXICOL PHAR.
Literature No.:
Literature Url: http://www.sciencedirect.com/science/article/pii/S1382668914002646
Date publication:2015 Jan.

Pharmacological and safety evaluation of fibrous root ofRhizoma Coptidis

Na Ninga, Yan Zhi Wang, Zong Yao Zou, De Zhou Zhang, De Zhen Wang, Xue Gang Li, 

Abstract

The aim of this study was to investigated the pharmacological activities and safety of fibrous root of Rhizoma Coptidis (FRC). FRC not only protected Kunming mice from the minimal lethal dose of Escherichia coli, but also protected rabbits from hyperpyrexia induced by lipopolysaccharid (LPS). The acute toxicity study showed that oral medial lethal dose (LD50) of FRC was greater than 7000 mg/kg body weight in Kunming mice. The sub-chronic toxicity study showed that the no-observed-adverse effect level (NOAEL) of FRC was 1.88 g/kg body weight in Sprague-Dawley rats, whereas FRC at higher dose (3.76 g/kg body weight) resulted in damage to liver and lung. Negative results were present in Ames test, mouse micronucleus test and mouse sperm abnormality test. These finding support the use of FRC in veterinary medicine.

Coptisine and epiberberine were purchased from Chengdu Biopurify Phytochemicals Ltd. ...

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