Powdered cellulose
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Description
Powdered cellulose (E460(II)) is a food additive belonging to the group of stabilizers, thickeners, and anticaking agents. It is purified cellulose mechanically reduced to a fine powder, obtained from plant fibers, mainly wood or cotton. Industrially, cellulose is extracted through cooking with alkalis and bleaching, then dried and ground to the desired particle size.
It is a white, odorless, tasteless powder, insoluble in water but capable of absorbing it and forming gels or suspensions. Its main function is to thicken, stabilize emulsions, prevent clumping, and act as an anticaking agent. It is also used as a bulking agent to increase volume without adding calories.
Powdered cellulose was approved as a food additive in the European Union after evaluations by EFSA (European Food Safety Authority) and JECFA (Joint FAO/WHO Expert Committee on Food Additives). Both organizations have established that no specific acceptable daily intake (ADI) is needed, as it is considered safe in the amounts used. Cellulose is not digested or absorbed in the human gastrointestinal tract, thus acting as insoluble dietary fiber.
Its safety has been supported by numerous toxicological studies showing no significant adverse effects. On labeling, it must appear as "powdered cellulose" or "E460(ii)". It is important to note that powdered cellulose is different from microcrystalline cellulose (E460(i)), although both share the same general E number (E460). Powdered cellulose has larger particles and lower compaction capacity.
In summary, powdered cellulose is a safe food additive, widely used in the food industry for its functional properties and favorable safety profile.
Powdered cellulose (E460(II)) is used in a wide variety of food categories as a stabilizer, thickener, and anticaking agent. According to Regulation EC 1333/2008, it is authorized in numerous products, including fine bakery products, desserts, ice cream, sauces, soups, processed meat products, processed cheese, powdered table sweeteners, food supplements, and foods for special medical purposes.
In the Spanish market, it is commonly found in industrial sliced bread, pastries, cookies, baking mixes, ice cream, sauces such as light mayonnaise, and in light or reduced-fat products where it acts as a fat replacer. It is also used in delicatessen products such as sausages and pâtés to improve texture and retain water. Authorized limits vary by category: in general, quantum satis (sufficient amount to achieve the desired effect) is allowed in most foods, except in some where specific limits apply, such as in food supplements (up to 30 g/kg). Compared to the FDA, powdered cellulose is classified as GRAS (Generally Recognized as Safe) and is allowed in similar amounts. In Japan, it is also approved as a food additive.
Powdered cellulose is especially valued in low-calorie products because it provides volume and texture without significantly contributing to energy value.
Powdered cellulose (E460(II)) is considered safe for the general population in the amounts used in foods. EFSA and JECFA have evaluated its safety and have not established a specific acceptable daily intake (ADI), as no adverse effects have been observed in toxicological studies. Being an indigestible fiber, it may have laxative effects if consumed in large quantities, but the doses present in foods are too low to cause problems.
In people with digestive disorders such as irritable bowel syndrome, excessive consumption could aggravate symptoms like bloating or gas, but there is no evidence that the additive itself is harmful. No interactions with medications or carcinogenic, genotoxic, or reproductive effects have been documented. Powdered cellulose is not absorbed and is eliminated unchanged in feces.
EFSA concludes that there is no reason for public health concern at current usage levels. It is important to note that powdered cellulose is a natural component of plants and is commonly consumed in fruits, vegetables, and cereals.
Therefore, its use as an additive does not pose a significant additional risk.
- Pulverized cellulose
- Cellulose powder
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