polygonum cuspidatum Resveratrol25%,50%,98%,99%

polygonum cuspidatum Resveratrol 25%,50%,98%,99% Specification 25%,50%,98%,99% is available at most competitive price. 1 used as a means of controlling knotweed populations that invade sensitive wetland areas and drive out the native vegetation 2 consuming this plant because it contains oxalic acid, which may aggravate conditions such as rheumatism, arthritis, gout, kidney stones or hyperacidity 3 used as a nutritional supplement to regulate bowel motility. 4 as a natural laxative. The active principle responsible for the laxative effect is emodin Should any interest , pls do not hesitate to contact me. Best regards (Ms.)Joy Zhang Xiamen Forever Green Source Biochem Tech. Co., Ltd. Tel: 0086-592-5812532 Fax: 0086-592-5639276/5185053