With the shape of dark brown powder, the black cohosh extract is the rhizome extract of Cimicifuga Romose L, which aims at antibiosis, blood pressure and heart rate reduction, inhibition of myocarditis, sedation, the treatment of arthritis and osteoporosis. Black cohosh is mainly planted in grass slope of Yunnan Province, Guizhou Province and Guangdong Province. Medical research shows that black cohosh extract exerts no estrogen stimulation effect on ER positive breast cancer cells.
Meanwhile, black cohosh extract is also found to increase the anti-tumor effect of tamoxifen. Therefore, with the expanding black cohosh extract market, the market demand for black cohosh extracts increases gradually. Foreign markets mainly focus on the U.S. and Germany. Presently in Chinese market, there are few manufacturers of the product, most of which are not the featured products of the manufacturers. Generally, the moderate production of a few manufacturers in Changsha, Shaanxi Province will be based on the requirements, mainly centered on 2.5% specification. The 2.5% and 8% of black cohosh extract are relatively common specification products in the market.