Piperine was particularly effective when combined with phototherapy treatment using ultraviolet radiation, the researchers said in a study to be published in the British Journal of Dermatology.

• 研究小组还在小鼠皮肤上比较了单独应用胡椒碱及其衍生物和放射治疗后使用胡椒碱及其衍生物的效果。