компонент((русский перевод под вопросом) a constituent of a substance, esp. one giving to it some distinctive quality or effect • Principle, in chemistry, refers to a historical concept of the constituents of a substance, specifically those that produce a certain quality or effect in the substance, such as a bitter principle, which is any one of the numerous compounds having a bitter taste. • Indeed, quinine is still used as a bitter principle in tonic water. -'More); действующее вещество((русский перевод под вопросом) a constituent of a substance, esp. one giving to it some distinctive quality or effect • Principle, in chemistry, refers to a historical concept of the constituents of a substance, specifically those that produce a certain quality or effect in the substance, such as a bitter principle, which is any one of the numerous compounds having a bitter taste.'More)
