One of the reasons apple cider vinegar (or lemon juice) will work for reflux is because it has acid which the stomach needs to digest food. Most of the time, it's not too much acid that causes reflux, it's too little.
No-Added-Sulfites Wine. Sulfites in wine are chemicals used as preservatives to prevent browning and discoloration in foods and drinks. For wine making, sulfites, also known as sulphites, have been used for centuries. Sulfites within the range of six and 6,000 ppm can be found in everyday foods: canned tuna, pizza dough, jams, gelatin, trail mix, cheese, deli meat and even prescription pills.
Preservatives. Preservatives prevent or inhibit spoilage of food due to fungi, bacteria and other microorganisms. Stabilizers. Stabilizers, thickeners and gelling agents, like agar or pectin (used in jam for example) give foods a firmer texture.ood acids are added to make flavors sharper, and also act as preservatives and antioxidants. Common food acids include vinegar, citric acid, tartaric acid, malic acid, fumaric acid, and lactic acid. Acidity regulators.