Friday, July 21, 2017

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Arabic Gum

Gum Arabic is the natural gummy exudate obtained by tapping the branches of the Acacia Senegal tree.
Gum Arabic production begins with the Sudanese farmer, who "taps" the trees. When the gum exudes, the farmer collects it and brings it to one of the auction markets.
Properties of the Arabic Gum
Solubility -can yield solutions up to 55% concentration. Gum Arabic is truly soluble in cold water. Other gums are either insoluble in cold water or form colloidal suspensions, not true solutions.
Viscosity - A 20% aqueous solution will give less than 100 cps; i.e. Gum Arabic is not very viscous at such concentrations. High viscosity is obtained only at concentrations of 40 - 50%.
Film-forming - Gum Arabic's superb film-forming properties make it ideal for some confectionery coatings and lithographic plate solutions.
Emulsifier - Gum Arabic produces highly stable emulsions making it very useful in the preparation of oil-in-water food flavour emulsions, particularly for citrus oils.
Color - Colorless (top quality) to pale straw color (average quality).
Taste - Gum Arabic has no off-taste. The taste of flavoring products co-spray dried with Gum Arabic is not affected or dulled by Gum Arabic as the carrier.
Fiber - Gum Arabic can be regarded as 95% "soluble fiber", according to the latest evidence by nutritional experts.
Calorical Value - Officially recognized in the USA as being under 1 Kcal per gram. Generally defined as POLYSACHARIDE DIETARY FIBER WITH REDUCED CALORIC INTAKE.
Colesterol Reducer - Human dietary intake studies have indicated a reduction in blood cholesterol levels when above average amounts of Gum Arabic (25 grams per day) are ingested in solution.
Toxicological Status - "ADI not specified" (JEFCA + EEC); "Generally Recognized as Safe " (GRAS), USA.
CONFECTIONARY:

The usage of Gum Arabic in the confectionary industry is one of the most important applications It is the recognized preferred natural ingredient for the production of high-quality soft candies. Here the gum is mainly used (and gives the best possible performance) in the raw form which enables the manufacture of a soft, chewy candy. It renders the product soft but firm, long lasting in the mouth and with a clean non-sticky chewing. Reduced calories soft candies with a percentage of Gum Arabic ranging up to 40-50% have beer recently and very successfully launched.
Moreover, Gum Arabic is an excellent flavor carrier and is used by formulators for imparting a clean, long lasting fresh taste.
Gum Arabic may be used to emulsify the flavor oils or fats in confections or to retard crystallization in high sucrose confections. The FILM-FORMING ability of Gum Arabic makes it a useful ingredient for confectionery coatings including the pan coating of fruits and nuts. In addition, specialty anticariogenic (anti-tooth decay) candies have contained Gum Arabic, which is resistant to degradation by the micro organisms in the human mouth responsible for such effects.

MISCELLANEOUS BAKERY APPLICATIONS:
Wherever film-forming and emulsifying properties without affecting product taste or rheology - are needed, Gum Arabic is an ingredient that must be considered.
BEVERAGES:
As the emulsifying agent of choice, Gum Arabic is widely used in a broad range of beverages. The completeness and stability of the emulsions produced even in normally difficult low acid environments have kept Gum Arabic as an essential ingredient for this usage. It is also used as a component clouding agent in a wide range of beverages. It can also be used as a clarifying agent in the production of alcoholic beverages.
ENCAPSULATED FLAVORS:

Dry packaged products such as instant drinks, dessert mixes, soup bases and "off-the- shelf spray dried flavors may be formulated using Gum Arabic. Flavor protection, desirable flavor release, long shelf life, and high dispersibility are the advantages offered by Gum Arabic.

MISCELLANEOUS INDUSTRIAL APPLICATIONS:
The ability of Gum Arabic to form highly uniform films, and to "carry" numerous ingredients through co-spray drying, has made it a recognized option in sprayed glazes, also high technology ceramics, and as a flocculating agent in ore refining of certain minerals. It also has uses in paper coating, textile sizing and finishes, metal corrosion inhibitors, office glues, emulsion prints and pesticides. A major use is in lithographic inks, where its ability to form excellent films makes it particularly suitable for the treatment of photosensitive plates.
PHARMACEUTICAL, VITAMINS, COSMETICS:
Spray-dried Gum Arabic is used both as a carrier in capsules and as a tabletting binder.

One of its oldest and best known uses has been in cough syrups. Gum Arabic may be used in cosmetic products such as face masks, hair creams and fixatives, protective creams and lotions and medicinal uses.

HIGH FIBER FORMULATIONS:

Gum Arabic, in the hands of creative food technologists, may be formulated as part of the natural nutritional supplements that help to add soluble fiber in a palatable form. Gum Arabic has a long history of being used in concentrations as high as fifty percent in certain confections.

Recently, Gum Arabic is claimed to Improve the quality of life for in Chronic kidney failure patients, by Lowering blood unea nitrogen Level.

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QUICK FACTS

History: Land of the oldest human civilization, kush or meroetic kingdom (800BC - 320 )
Location: An Afro-Arab country, situated in heart of Africa, dominated by river Nile
Capital: Khartoum
Area: 1.882 million sq. miles
Population: 36 million, with 2.6 % growth rate
Climate: Ranges between Tropical in South, desert in North
Currency: Sudanese Pound
Official language: Arabic, english as a second langauge
Religions: Islam, Christianity

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