Component of caraway oil. And this smells like caraway. So It really is fairly incredible that our noses can notify the real difference d/l (or +/-) show the route where an optical active compound rotates the plane of polarization of plane-polarized light, which has being based on an experiment to https://holdenaxoa22210.59bloggers.com/27139939/detailed-notes-on-active-optical-systems-optima-518