“…It is of great importance to validate in vitro results in animal studies, as there is always the chance that absorption, metabolism, or excretion may lead to significant changes in the herbals effect on coagulation. Many phytochemicals, such as coumarins, thiosulfinates, adenosine, paraffinic polysulfides and ajoene) Srivastava, 1986;Rose et al, 1990;Basila & Yuan, 2005;Beckert et al, 2007 (Continued) polyphenolis, saponins, and salicylates, were elucidated as potent inhibitors, but the concentrations of these may be of such insignificant levels that they pose no threat. Also, depending on manufacturing and processing procedure concentrations and activity of extracts might differ (Chukwumah et al, 2007).…”