DATEM (diacetyl tartaric acid esters of mono- and diglycerides) is the most widely used emulsifier in commercial bread production. Designated as E472e in European food additive classifications, this synthetic emulsifier functions primarily as a dough conditioner, strengthening gluten networks and improving the volume and texture of yeast-leavened products.
Produced from the esterification of tartaric acid, acetic acid, glycerol, and plant-sourced fatty acids, DATEM is generally considered vegan, halal, and free of gluten and dairy. The global emulsifier market, which includes DATEM as a key product, is projected to reach $15.15 billion by 2030 according to Zion Market Research.
How DATEM Strengthens Bread Dough
DATEM possesses excellent dough-strengthening properties due to its ability to adsorb at the gas-liquid interface within dough. It stabilizes the foam structure trapped by the gluten matrix and prevents gas bubble coalescence during mixing, proofing, and baking.
Due to its anionic nature, DATEM interacts directly with gluten proteins, promoting protein aggregation that results in stronger, more elastic dough. This enhanced CO2 retention translates to greater loaf volume and improved tolerance to mechanical stress during production.
Volume and Crumb Structure Improvement
Bakers use DATEM at typical levels of 0.2 to 0.6% based on flour weight to achieve increased volume and a uniform, fine crumb grain in bread and buns. The emulsifier produces a consistent internal structure that consumers associate with high-quality bakery products.
DATEM is effective across a wide variety of bread types, including wholemeal, baguettes, sandwich loaves, and enriched rolls. Its ability to deliver reliable results at low inclusion rates makes it cost-effective for large-scale production.
Shelf Life Extension
Beyond dough conditioning, DATEM disrupts the starch retrogradation process that causes bread to harden over time. By interfering with the starch network, it slows the staling process and extends the soft shelf life of finished products.
Handling and Formulation Considerations
DATEM is typically sold in powder form for ease of scaling and handling, which also reduces logistics costs between supplier and bakery. The ingredient is hygroscopic and absorbs water readily, especially in humid conditions, so manufacturers often include carriers and anti-caking agents such as calcium carbonate, tricalcium phosphate, or trisodium phosphate.
Rising costs of raw materials like tartaric acid and acetic anhydride have prompted research into DATEM alternatives, including palm-based substitutes. However, DATEM remains the industry standard due to its proven performance and versatility.
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