In 2005, Professor Masayuki Takahashi of the Graduate School of Kuroshio Science at Kochi University pointed out during a speech in Taiwan that after years of research, in 1996 Kochi Prefecture became the first to develop goods made of or processed with deep-sea water, including drinking water, cosmetics, shower gels, sake, beer, soy sauce and baked goods.
2005 年，日本高知大學黑潮科學研究所教授高橋正征來台演講時指出，經過多年研究，1996 年高知縣首先開發出海洋深層水加工商品，包括飲用水、化妝品、沐浴劑、清酒、啤酒、醬油、麵包餅乾等。