Yoshikatsu Murooka 
Japanese Food for Health and Longevity [PDF ebook] 
The Science behind a Great Culinary Tradition

We often hear about the merits of Japanese food, but there are few studies on this from a scientific perspective. This book presents a scientific basis for why Japanese food is a source of health and longevity, and details how to produce traditional Japanese foods and the healthy substances contained therein. It also highlights aspects of Japanese culture concerned with typical national foods.