The deteriorated Heinz tomato sauce is one of the products of Heinz Company, which was founded by HJHeinz in Fort Shipes, Pennsylvania, USA on 1869. The taste is not bitter, and the bitterness is mostly due to deterioration. Tomato paste is a concentrated product of tomato paste, which is made from ripe red tomatoes by crushing, pulping, peeling, seed concentration, canning and sterilization.