An apparatus and method for modifying the organoleptic properties of a beverage, such as wine in a bottle, said apparatus having a least one light-source, said light-source applying peak wavelengths at intensities and time durations optimal for modifying said beverage's organoleptic properties with a highly reflective inner surface, a translucent air flow baffle, a translucent liquid barrier, and a controlled oxygen concentration in the bottle headspace.