Have You Heard of Japan’s Finest Red Vinegar, Born in Onomichi? While rice vinegar is common for sushi, traditional Edo-style sushi used red vinegar (akazu). Today, premium red vinegar is made from sake lees aged for at least three years, giving the sushi rice a subtle reddish hue with rich aroma and umami. With over 440 years of history, Onomichi Zousu crafts pure red vinegar using 100% Hiroshima-grown sake lees, gaining high...