Table 1.

Panax samples analyzed in this Study

Sample Number	N	Label	Provider	Source
P. quinquefolius
1	23	American Ginseng	Ginseng Board of Wisconsin1	USA
2	13	American Ginseng	American Herbal Pharmacopoeia2	USA
3	4	American Ginseng	Internet Retailer (Wisconsin farm) 3	USA
4	2	American Ginseng	Internet Retailer (Canadian farm) 4	Canada
5	1	American Ginseng	Ginseng Board of Wisconsin1	Canada
6	1	American Ginseng	Ginseng Board of Wisconsin1	China
P ginseng
7	3	Asian Ginseng, red	American Herbal Pharmacopoeia2	China
8	2	Asian Ginseng, white	American Herbal Pharmacopoeia2	China
9	1	Kirin Red #1	Internet Retailer5	China
10	1	Kirin Red #3	Internet Retailer5	China
11	1	Kirin Red #5	Internet Retailer5	China
12	1	Shih Chu #25	Internet Retailer5	China
13	1	Shih Chu #80	Internet Retailer5	China
P. notoginseng
14	4	Notoginseng	American Herbal Pharmacopoeia2	China

¹GB of Wisconsin

²AHP

³Wisconsin farm

⁴Internet retailer

⁵Starwest