Okinawa / Nara, Apr 08 (ANI): Located in south Japan, Okinawa is constituted by Islands. Here, food makes people to live long. The specialty of Okinawa is blue papaya, which is used to prepare healthy drink. Blue papaya has an effective element to keep good health. The element from blue papaya gets extracted through natural fermentation and use of organic material. The plant institute uses latest ferment technology to extract drink from blue papaya. In ancient Nara city is located 200 years old sake brewery. It produces many healthy foods. In the brewery yeast for producing sake is alive. Brewer eats it to keep vigorous condition. The yeast was mixed with vegetable, fruit, sea weed and edible wild plant and fermented for a year. And more a few years maturity completes healthy food. It is efficient to keep health. Sawada brewery closely works with doctors to develop more healthy food.