The other mice, also exposed to UV light, did not receive ellagic acid. (Another six mice served as controls, with neither UV exposure nor ellagic acid.

• 其他小鼠同样暴露在UV光线下，但并不搽鞣花酸。（另外六只小鼠作为对照组，不接受UV照射也不搽鞣花酸。）