Basic information
- Name:
Guar gum
- CAS No.:
9000-30-0
- Molecular Structure:
- Deleted CAS:
- 9008-17-7, 9010-50-8, 9049-33-6, 9066-07-3, 53986-27-9, 57406-68-5, 57406-71-0, 63799-54-2, 85510-16-3, 1312293-38-1
- Synonyms:
- Jaguar 6000;Jaguar 6003;Jaguar 6003VT;Jaguar7500X;Jaguar 2638;Indalca AG-BV;Indalca AG-HV;J 2Fp;J 3000;Jaguar 170;Jaguar 2204;Jaguar 2243;Jaguar2610;Indalca AG;Gums, guar;Higum 551;InagelGR 10;Fine Gum G 17;Galaxy 1083;Galactasol 270;Gendril Thik;Guapack PF 20;Guar;GuarWW250F;Guar flour;Guaran;Guarcel 302;Guarcol U 40;Guargel D 15;Gum guar;Frimulsion BM;GW 4;GW 4AFG;Galactasol;Galactasol 20H5FI;Galactasol 211;Fine Gum G;FG-HV;Emcogum CSAA;Emulgum 200;Emulgum 200S;Ecopol 5060;EGMB;E412;Dealca TP 1;Dealca TP 2;Decorpa;Duck Gum 800;Avicel CE 15;C 1000 (gum);C 250(gum);CP 3300;Burtonite V 7E;CSAA-M 80;Celbond 7;Cyamopsis gum;Oruno G 1;PAK-T 80;Papsize 7;Polycol WP 05;Polycol WP10;Polycol WP 15;Polytex 100;Procol U;RG 100;RT 3088;Rantec 4000;Rantec KP 4000;Rein Guarin;Stamulcol ULV 500;Supercol G 2S;Supercol GF;Supercol U;Supercol U Powder;Syngum D 46D;VIS TOP D 1321;VIS TOP D 2029;VIS TOP D 2081;VIS TOP LH 303;VidocremeA;Jaguar A 20B;Jaguar A 20D;Jaguar A 40F;Jaguar MDD;K 4492;KWL 2000;LGC 1;Lameprint DX 9;Lipocard;Lycoid DR;Meypro-Guar 50;Meypro-Guar CSAA 200/50;Meypro-Guar CSAA-M 225;Meyprodor 50;Meyprogum TC 47;NGL 8158;Neosoft;Neosoft G 11;Jaguar MDD-I;Meypro Guar CSAAM-100;Uniguar 80;VIS TOP B 20;
- EINECS:
- 232-536-8
- Appearance:
- yellowish powder
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Chemistry
GUAR GUM is typically produced as a free flowing, pale, off-white colored, coarse to fine ground powder. Chemically, guar gum is a polysaccharide composed of the sugars galactose and mannose. Guar gum is more soluble than locust bean gum and is a better emulsifier as it has more galactose branch points.
In water it is nonionic and hydrocolloidal. It is not affected by ionic strength or pH, but will degrade at pH extremes at temperature (e.g. pH 3 at 50°C). It remains stable in solution over pH range 5-7. It is insoluble in most hydrocarbon solvents.
In water it is nonionic and hydrocolloidal. It is not affected by ionic strength or pH, but will degrade at pH extremes at temperature (e.g. pH 3 at 50°C). It remains stable in solution over pH range 5-7. It is insoluble in most hydrocarbon solvents.
Uses
GUAR GUM is used for sizing, finishing and printing; It improved sheet formation, folding and denser surface for printing; used as waterproofing agent mixed with ammonium nitrate, nitroglycerin etc. and as binder or as disintegrator in tablets.
The largest market for guar gum is in the food industry. Applications include: Baked goods- increases dough yield, gives greater resiliency, and improves texture and shelf life; in pastry fillings, it prevents "weeping" (syneresis) of the water in the filling, keeping the pastry crust crisp; Dairy - thickens milk, yogurt, kefir, and liquid cheese products; helps maintain homogeneity and texture of ice creams and sherbets; Meat - functions as lubricant and binder; Dressing and sauces - improves the stability and appearance of salad dressings, barbecue sauces, relishes, ketchups and others.
The largest market for guar gum is in the food industry. Applications include: Baked goods- increases dough yield, gives greater resiliency, and improves texture and shelf life; in pastry fillings, it prevents "weeping" (syneresis) of the water in the filling, keeping the pastry crust crisp; Dairy - thickens milk, yogurt, kefir, and liquid cheese products; helps maintain homogeneity and texture of ice creams and sherbets; Meat - functions as lubricant and binder; Dressing and sauces - improves the stability and appearance of salad dressings, barbecue sauces, relishes, ketchups and others.
Production
Guar gum is extracted from the guar bean, where it acts as a food and water store.
Toxicity Data With Reference
| 1. | orl-rat TDLo:228 g/kg/13W-C:REP | NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-229 ,1982. | ||
| 2. | orl-rat LD50:6770 mg/kg | FCTXAV Food and Cosmetics Toxicology. 19 (1981),287. | ||
| 3. | orl-mus LD50:8100 mg/kg | FDRLI* Food and Drug Research Labs., Papers .(Waverly, NY.: )1976,124. | ||
| 4. | orl-rbt LD50:7000 mg/kg | FDRLI* Food and Drug Research Labs., Papers .(Waverly, NY.: )1976,124. | ||
| 5. | orl-ham LD50:6000 mg/kg | FDRLI* Food and Drug Research Labs., Papers .(Waverly, NY.: )1976,124. |
Consensus Reports
NTP Carcinogenesis Bioassay (feed); No Evidence: mouse, rat NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-229 ,1982. . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Safety Profile
Mildly toxic by ingestion. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.