His discovery began from a piece of bad news in 2003: his father was diagnosed with stage four prostate cancer. At that time, Dewa Nguraha professor of agriculture at Udayana University in Denpasarwas in Japan, where he was a visiting professor at Tokyo University. There he discovered studies on purple-colored fruits containing antioxidants that could possibly cure cancer.

Since then, Dewa Ngurah, 54, has been studying the contents of a variety