Xanthan gum
Score impact
+0.10
points/product
Description
Xanthan gum (E415) is a food additive belonging to the category of thickeners, stabilizers, and emulsifiers. It is a high molecular weight polysaccharide produced by bacterial fermentation of the non-pathogenic strain Xanthomonas campestris, which occurs naturally on plants such as cabbage. Industrially, it is obtained through a controlled fermentation process in a carbohydrate-rich medium (glucose, sucrose, or lactose), followed by pasteurization, precipitation with alcohol or isopropanol, drying, and milling.
The final product is a white to cream-colored powder, odorless and tasteless, soluble in cold or hot water, forming viscous and pseudoplastic solutions. Its chemical structure consists of a cellulose backbone (β-D-glucose) with trisaccharide side chains containing glucuronic acid, mannose, and acetate, which gives it high stability against changes in pH, temperature, and salt concentration. The main function of xanthan gum is to thicken and stabilize emulsions and suspensions, preventing phase separation and improving food texture.
It was discovered in the 1950s by the United States Department of Agriculture (USDA) and approved as a food additive in the European Union in 1974. The European Food Safety Authority (EFSA) has re-evaluated its safety several times, most recently in 2017, establishing an Acceptable Daily Intake (ADI) of "not specified," meaning it is not considered a health risk at the amounts normally used.
The World Health Organization (WHO) and the Joint FAO/WHO Expert Committee on Food Additives (JECFA) have also evaluated xanthan gum and concluded it is safe, assigning an ADI of "not limited." In food labeling, it must appear as "xanthan gum" or "E415."
In summary, xanthan gum is a safe food additive widely used in the food industry for its excellent thickening and stabilizing properties, with no documented adverse effects at authorized doses.
Xanthan gum is used in a wide variety of food categories according to Regulation EC 1333/2008. It is employed as a thickener, stabilizer, and emulsifier in products such as sauces (ketchup, mayonnaise, dressings), ice cream, dairy desserts (yogurts, custards), gluten-free bakery products, beverages (juices, smoothies), processed meat products (sausages, pâtés), and foods for special dietary regimens.
In the Spanish market, it is commonly found in brands such as Heinz (ketchup), Danone (yogurts), Nestlé (ice cream), and in gluten-free products from brands like Schär. Authorized limits vary by category: in most foods, quantum satis (sufficient amount to achieve the desired effect) is allowed, with no specific maximum limit, except in some products such as fat emulsions (margarine) where the limit is 1 g/kg. Compared to the US FDA, xanthan gum is classified as GRAS (Generally Recognized as Safe) and has no specific use limits. In Japan, it is also approved without significant restrictions.
The versatility of xanthan gum makes it especially useful in the food industry for improving the texture and stability of products.
Xanthan gum (E415) is considered safe by major food safety agencies (EFSA, JECFA, FDA). No significant adverse effects in humans have been documented when consumed in amounts present in foods. Animal studies have shown that xanthan gum is not toxic, not carcinogenic, and not genotoxic.
In humans, some studies have reported mild gastrointestinal effects such as bloating or flatulence at very high doses (above 15 g/day), but these amounts are far above the estimated dietary intake (less than 1 g/day). No specific sensitive populations have been identified, although individuals with severe digestive disorders might experience discomfort.
No interactions with medications are known. EFSA concluded that it is not necessary to establish a numerical ADI, as dietary exposure does not pose a health risk. WHO/JECFA also classifies it as safe with no limit on daily intake.
In summary, xanthan gum is a well-tolerated food additive with no documented side effects under normal conditions of use.
- Xanthan gum
- Xanthomonas campestris polysaccharide
Products in our Spanish database containing this additive
Examples found in ComerClaro Spanish product database
Product names and supermarket data may appear in Spanish.
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