ARLINGTON HEIGHTS, IL – APRIL 30: A shopper looks over bottles of rice vinegar at Mitsuwa Marketplace April 30, 2004 in Arlington Heights, Illinois. For such reasons as health, flavor and cooking purposes, Asian food and related cooking ingredients are becoming more popular in the U.S. as newer Asian supermarkets are opening and stocking the unique ingredients for use in the cuisine. (Photo by Tim Boyle/Getty Images)