Benzyl alcohol
Score impact
-0.30
points/product
Description
The food additive E1519, known as benzyl alcohol, is an organic compound used primarily as a preservative and solvent in the food industry. It is an aromatic alcohol that occurs naturally in some fruits, such as cherries, and in essential oils of plants like jasmine or ylang-ylang. Industrially, it is obtained by hydrolysis of benzyl chloride or through reduction of benzaldehyde.
Benzyl alcohol is a colorless liquid with a mild, slightly sweet aroma, soluble in water and most organic solvents. Its main function in foods is as a preservative, as it has antimicrobial properties, especially against Gram-positive bacteria and some fungi. It is also used as a solvent for flavors and colors.
The history of its use as an additive dates back to the early 20th century, and it was approved in the European Union as a food additive in Directive 95/2/EC. The European Food Safety Authority (EFSA) has evaluated benzyl alcohol several times, most recently in 2019, establishing an Acceptable Daily Intake (ADI) of 5 mg/kg body weight. The World Health Organization (WHO) has also evaluated it, confirming its safety at authorized doses.
Regarding food safety, E1519 is considered safe for the general population at permitted concentrations. However, some controversies have been noted regarding its potential toxicity at high doses and its ability to form peroxides.
On food labels, it must be listed as "benzyl alcohol" or "E1519". Despite its widespread use, some consumers choose to avoid it due to its synthetic origin or possible sensitivities.
Benzyl alcohol (E1519) is used in various food categories as a preservative and solvent. According to EC Regulation 1333/2008, it is authorized in a wide range of products, including flavored beverages, confectionery, desserts, sauces, and processed meat products.
In the Spanish market, it can be found in fruit-flavored soft drinks, hard and soft candies, chewing gum, fruit jellies, and some industrial bakery products. Maximum permitted limits vary by product, ranging from 100 to 1000 mg/kg. For example, in flavored non-alcoholic beverages the limit is 150 mg/L, while in confectionery it can reach up to 500 mg/kg. Compared to the US FDA, benzyl alcohol is classified as "Generally Recognized as Safe" (GRAS) for certain uses, but with similar restrictions. In Japan, its use is permitted in some foods, although with more restrictive limits.
It is important to note that E1519 is also used in the cosmetic and pharmaceutical industries, which may contribute to total consumer exposure.
Side effects of benzyl alcohol (E1519) are documented mainly in animal studies and in cases of acute exposure to high doses. In humans, consumption at authorized levels in foods is not associated with significant adverse effects for the general population. However, benzyl alcohol has been observed to cause skin and mucous membrane irritation at high concentrations.
The biological mechanism of its toxicity involves its metabolism to benzoic acid, which is then conjugated with glycine to form hippuric acid, excreted in urine. At very high doses, it can accumulate and cause metabolic acidosis, seizures, and central nervous system depression. Sensitive populations include newborns and infants, as their hepatic detoxification system is immature; therefore, its use in baby foods is recommended to be avoided. Cases of allergy or intolerance in sensitive individuals have also been reported, although they are rare.
EFSA concluded that dietary exposure to benzyl alcohol does not pose a health risk for the general population, but recommended keeping use levels as low as possible. WHO agrees that the ADI of 5 mg/kg is safe. No significant interactions with medications at dietary doses have been documented.
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- Phenylmethanol
- Benzyl alcohol
- Benzyl alcohol
- Phenylcarbinolum
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