The present invention relates to compositions containing particular components that can be obtained from a plant which can have pharmaceutical applications. More particularly, the plant genus is Lepidium and the composition may contain in the range of between about 0.3% and 0.7% of benzyl isothiocyanate, b) between about 0.06% and about 0.02% of Lepidium sterol component, c) between about 1% and about 2% of a Lepidium fatty acid component, and d) about 0.006% to 0.6% or more total macamide/macaenes component as standardized with excipients.