Fig. 2

Subjective evaluation of the color change of various medicines. Indicates the number of evaluators who evaluated “change in color tone” for each medicine after the test of photostability. The color change of various medicines was evaluated after storage for 1 day to 28 days in three lighting conditions (Daylight-color LED lighting (△), bulb-color LED lighting (□) and fluorescent lighting (○)) in UV-cut plastic bags (a-d), brown light-shielding plastic bags (e-h), and normal plastic bags (i-l)