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Turkey vs. Indian |
 | | Both palmatum and officinale have the same active constituents (anthraquinones, tannins and sennosides), and their roots are used and sold interchangeably. |
| | The finest rhubarb root comes from the northwestern (Shensi, Kansu) and western (Szechwan) regions of China, where it was in use by the first century. |
| | It's uncertain exactly when rhubarb first reached Europe, although it was no later than the ninth century. |
| theherbs.info /turkey.html (1465 words) |
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