In what country does baechu originate?
Napa cabbage Napa or nappa cabbage ("Brassica rapa" subsp. "pekinensis" or "Brassica rapa" Pekinensis Group) is a type of Chinese cabbage originating near the Beijing region of China, and is widely used in East Asian cuisine. Since the 20th Century it is also a widespread crop in Europe, America and Australia. In much of the world, this is the vegetable referred to as "Chinese cabbage".
Prince Asa Prince Asa (阿佐太子 , Asa Taishi , 572 – 645) , was the eldest son of King Wideok of Baekje who was sent to Japan in April, 597 to teach the Japanese Buddhism and become teacher of Prince Shōtoku. In Korea he was known as "Ajwa-taeja".