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Citric Acid
Powder Uses
By Kate Bruscke
A common food,
pharmaceutical and cleaning product additive, citric acid is a weak, water-soluble
organic acid naturally found in many citrus fruits, such as lemons and limes.
It was first discovered by
the 8th century Arabic chemist Abu Musa Jabir ibn Hayyan (also known as Geben),
but not purified to its current form until the 18th century.
Food Production
Citric acid powder is
commonly added to both carbonated and non-carbonated soft drinks as a flavoring
agent, adding a tart taste to the beverage, and as a preservative due to its
anti-microbial properties.
It is added to candy to add
a tart flavor, but also to stabilize the sugars and enhance texture (citric
acid helps give candies a gel-like consistency).
Citric acid is used in the
production of jams and jellies to help control the food's pH level, assisting
in its consistency and shelf life.
It can also be found in
processed cheese to stabilize and emulsify the oil and water content of the
cheese and keep it from separating.
Pharmaceutical Applications
Citric acid powder can add
flavor to medicine preparations, masking the taste of the chemical components.
It is also added as an
emulsifier, keeping ingredients in liquid preparations from separating.
The most common use of
citric acid powder in is in combinations with bicarbonates to create an
effervescent, fizzing effect.
Household
and Industrial Uses
Citric acid powder is added
to many detergent products, such as laundry soap and shampoo, as well as industrial
strength products, to maintain an alkaline pH, which helps the surfactants –
cleansers -- work more effectively.
The citric acid powder is
easy to rinse away with the cleanser, as it is both water soluble and
biodegradable.
A
writer and professional lab assistant based in Seattle, Kate Bruscke has
been writing professionally about health care and technology since 1998. Her
freelance clients include "The Seattle Times," KGB.com, Reading
Local: Seattle, Nordstrom and MSN/Microsoft. Bruscke holds a Master of Fine
Arts from The School of the Art Institute of Chicago.
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