E1103 - Invertase

Origin

Invertase (E1103) is an enzyme that catalyzes the hydrolysis of sucrose (table sugar) into its constituent monosaccharides, glucose and fructose. It is naturally found in yeast and bees. Commercially, invertase is primarily derived from *Saccharomyces cerevisiae* (baker's yeast) or *Saccharomyces carlsbergensis*. The enzyme is extracted, purified, and stabilized for use in various food applications.

Usage

E1103 is used in the food industry to produce invert sugar, which has several advantages over sucrose. Invert sugar is sweeter, more soluble, and resists crystallization better than sucrose. This makes it useful in confectionery, where it prevents graininess in candies and fondant. It is also used in the production of liquid-filled chocolates, where it liquefies the solid chocolate center over time. Invertase is also used in the production of some jams and jellies to control sugar crystallization and improve texture. The enzyme's activity is temperature-dependent and can be deactivated by heat, allowing precise control over the inversion process. The typical dosage varies depending on the application, but it is generally used in small amounts to achieve the desired level of inversion.

Side Effects

Invertase is generally considered safe for consumption. As an enzyme, it is deactivated during processing or digestion. There are no known significant side effects associated with its use as a food additive. However, individuals with severe yeast allergies might theoretically experience a reaction, although this is extremely rare due to the purified nature of the enzyme. No ADI (Acceptable Daily Intake) has been specified by regulatory bodies like the EFSA or FDA, indicating its low toxicity.

Regulatory Status

Invertase (E1103) is approved for use as a food additive in many countries, including those in the European Union. It is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) when used in accordance with good manufacturing practices. The regulatory status reflects the enzyme's long history of safe use in food production.