These two compounds were quantitative determined. The precision of the method for the determination of cis and trans resveratrol was 4 48% and 5 23% of RSD, respectively.

• 对方法的精密度和回收率进行了测定 ；方法的相对标准偏差分别为 4 48%25 (顺式 )和 5 2 3%25 (反式 ) .