| identification and differentiation of bear bile used in medicinal products in taiwan. | one hundred eighty-three suspect bear bile used in medicinal products, collected in taiwan as gall bladders or dried powder forms, were analyzed using ftir, hptlc, and hplc techniques to identify whether they are indeed bear bile. those confirmed were further examined to determine whether the observed analytical parameters can be reliably used for source inference, i.e., differentiating products among north american black bear, farmed asiatic black bear, polar bear, etc. our data suggested that ... | 1997 | 9304828 |