Emulsifiers are Chemical Additives That Encourage the Suspension of One Liquid in Another
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| Emulsifiers |
Emulsifiers, or emulsifying agents, are
substances that form film around the dispersed globules or lower the
interfacial tension in an emulsion. They are chemical compounds or their
mixtures that allow the formation of a stable over time emulsion. The role of
the emulsifier is to create stable micelles that are formed on the water-oil
interface. Emulsifiers are used as a stabilizing agent in various industries,
such as food & beverage, pharmaceutical, and cosmetic & personal care,
to stabilize the two or immiscible liquids.
Food emulsifiers are either natural or
artificial food additives that help stabilize and produce emulsions by lowering
the surface tension at oil-water interface. They are often use to improve the
consistency of food products. Emulsifier are also used to preserve taste, flavor,
and texture, of the food products. Moreover, it encourages the suspension of
one liquid in another, as in the mixture of oil and water in margarine, shortening,
ice cream, and salad dressing. It acts as a border between two immiscible
liquids, allowing them to be blended into stable emulsions.
For a number of reasons, food emulsifiers
or edible emulsifiers, are used in the form of a food additive in the food
processing industry. In the pharmaceutical industry, emulsifiers are often used
in creams & gels, tablets, and syrups. It helps to keep the solution
blended by preventing them from getting separated. In pharmacy, they are often
used to prepare emulsions, such as ointments, balms, and creams & gels.
These products usually consist of a carrier, such as water, to which a chemical
with medicinal properties is added.
It is stabilized by the addition of an
emulsifier to prevent separation and increase the shelf life of the product.
Thus, there is an increasing demand for emulsifiers from the food &
beverage and pharmaceutical industry. Emulsifiers can be found on the Generally
Recognized as Safe (a United States Food and Drug Administration designation)
list and are allowed in specific types of food and beverages at precise levels.

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