Why Authentic? -From the simplest ingredients with no additives. Naturally & slowly brewed for more than 500 days, the umami of fine ingredients are fully brought out. Aging through 6 seasons(1 year plus a half year) of Japan, the flavor & aroma of our distinctive sauce get deeper & richer. Taste the difference. Let your tongue explore the highly delicate balance of abundant flavors. Distinctive Deepened Flavor -Authentic Koikuchi soy sauce has four kinds of highly delicate taste behind its natural saltness. Deep umami, mellow sweetness, refreshing sourness, and elegant bitterness. When blended with other sauces like steak sauce or used for boiled recipes such as gumbo and Jambalaya, the symphony of five tastes brings out the natural tastes of other ingredients. Artisanal Slow Handmade -Our exclusive soy sauce cannot be made even by automatic cutting-edge machines. Making authentic soy sauce without any additives is like cultivating organic vegetables by natural, eco-friendly method. The quality and flavor are directly affected by the climate & geography of the region. Our Japanese craftsmen who have mastered the traditional methods succeeded over 100 years take full care of the varying conditions of sauce with their honed five senses. Select Fine Ingredients -As for soybean & wheat(Both Non-GMO), every year our brewery carefully selects the best cultivating places in Japan and even cultivars, and delicately adjust the blend ratio, depending on the year’s conditions. As for salt, they use 100% natural sun-dried sea salt. As for water, the brewery is blessed with natural, super soft water of Ibo River. Historical TATSUNO Brand -From a small brewery in Tatsuno region, where has over 400 years brewing history. Blessed with ideal climate for soy sauce brewing throughout the year, distinctive water from the pure river, and fine soybean & wheat in the locality, Tatsuno has been one of the three most prosperous places for soy sauce brewing in Japan. Authentic handmade soy sauce from a small brewery who has over 135 years history. Traditional artisanal flavor from the “Town of Soy Sauce” where has over 400 years history. From the simplest, fine non-GMO ingredients without any artificial additives. Naturally & slowly brewed for more than a year.