The in vitro and in vivo depigmenting activity of pterostilbene through induction of autophagy in melanocytes and inhibition of UVA-irradiated α-MSH in keratinocytes via Nrf2-media... oleh You-Cheng Hseu, PhD, Yugandhar Vudhya Gowrisankar, PhD, Li-Wei Wang, MS, Yan-Zhen Zhang, MS, Xuan-Zao Chen, MS, Pei-Jane Huang, PhD, Hung-Rong Yen, PhD, Hsin-Ling Yang, PhD