CAS 9000-40-2 LOCUST BEAN GUM
Synonyms: Carobbeanextract;carobflour;Carobgum;carobseedgum;ceratoniagum;fructoline;indalcaabv;johannisbrotmehl
CAS: 9000-40-2
MF: C10H11ClN2O2
MW: 226.65954
EINECS: 232-541-5
LOCUST BEAN GUM Chemical Properties:
FEMA: 2648 | LOCUST GUM (CERATONIA SILIQUA L.)
solubility: Ceratonia is dispersible in hot water, forming a sol having a pH 5.4–7.0 that may be converted to a gel by the addition of small amounts of sodium borate. In cold water, ceratonia hydrates very slowly and incompletely. Ceratonia is practically insoluble in ethanol.
Chemical Properties: branched, nonionic polymer.
Chemical Properties: Ceratonia occurs as a yellow-green or white colored powder. Although odorless and tasteless in the dry powder form, ceratonia acquires a leguminous taste when boiled in water.
Uses: Locust Bean Gum is a gum that is a galactomannan obtained from the plant seed from the locust bean tree known as ceratonia siliqua. it has a mannose:galactose ratio of approximately 4:1. its properties include swelling partially in cold water but requiring heating to approximately 82°c for complete solubility. it provides high viscos- ity, forms gels with xanthan gum upon heating and cooling of the solution, and functions as a water binder. it can make agar or car- rageenan gels more elastic. its uses include processed cheese, ice cream, bakery products, soups, and pies. typical usage level is 0.1– 1.0%. it is also called carob gum or saint john’s bread, and is scien- tifically called carubin.
General Description: Off-white to yellow-green powder. Odorless and tasteless, but acquires a leguminous taste when boiled in water.
Pharmaceutical Applications: Ceratonia is a naturally occurring material generally used as a substitute for tragacanth or other similar gums. A ceratonia mucilage that is slightly more viscous than tragacanth mucilage may be prepared by boiling 1.0–1.5% of powdered ceratonia with water. As a viscosity-increasing agent, ceratonia is said to be five times as effective as starch and twice as effective as tragacanth. Ceratonia has also been used as a tablet binder and is used in oral controlled-release drug delivery systems approved in Europe and the USA.
Ceratonia is widely used as a binder, thickening agent, and stabilizing agent in the cosmetics and food industry. In foods, 0.15–0.75% is used. Therapeutically, ceratonia mucilage is used orally in adults and children to regulate intestinal function.
Storage: The bulk material should be stored in a well-closed container in a cool, dry place. Ceratonia loses not more than 15% of its weight on drying.
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