Was radish soup invented in Japan?

Yes The inventor of Shengtong Wuxing Vegetable Soup is Li Shihe, a former director of Japanese Institute of Preventive Medicine Chemistry and a doctor of cytology. Moreover, Li Shihe collected and studied the edible plants, animals and minerals in China according to the theory of "homology of medicine and food", formed this five-element vegetable soup formula and invented radish soup, so radish soup was invented in Japan.