By using Soxhlet extracting method,diphenyl-carbazide,and phenol-sulfate process,the content of total fatal,total flavonoid and total polysaccharids in bracken are 2.13%,2.20%,8.22% respectively.

• 结果表明:蕨菜中总脂肪、总黄酮总和总多糖含量分别为:2.；13%25；2