Why wild ginseng is so valued in China?

what's the nutritional value? 
Also, even wild ginseng(15-40 yrs. old root) from Vermont are highly sought after by many people in China.

所有跟帖： 

• 野山參的人參皂苷含量大於家參。外觀上野山參的“蘆碗”多，家參的“蘆碗”少。一個“蘆碗”代表一年 -禦用文人- ♀ (0 bytes) () 04/13/2013 postreply 10:33:40

• What effect 人參皂苷 has to human body? thanks. -blackmatter- ♀ (0 bytes) () 04/13/2013 postreply 11:10:05

• 人參皂苷的藥理作用 http://wenku.baidu.com/view/36e47ebef121dd36a32d82c7.h -禦用文人- ♀ (92 bytes) () 04/13/2013 postreply 13:03:48

• 中藥講靈性，不講化學。 -xiyaopeng- ♂ (0 bytes) () 04/13/2013 postreply 12:12:23

• 回複：小孩(5歲以下)~~老人(尤其有血壓高/心髒病等病症的老人)，請不要隨便吃人參煮的 -benji1012- ♀ (2370 bytes) () 04/13/2013 postreply 16:25:45