THE GUAR PLANT, CYAMOPSIS TETRAGONOLOBUS FROM THE FAMILY OF LEGUMINOSAE IS CUTIVATED IN THE ARID AND SEMI-ARID REGIONS OF THE INDIAN SUBCONTINENT.IT IS A 5-8 CMS LONG POD-BEARING NITROGEN- FIXING LEGUME.IT IS COMMONLY USED AS GREEN VEGETABLE,GREEN MANURE,CATTEL-FEED AND GUM PRODUCTS.IT IS AN ANNUAL CROP AND IS SOWN AT THE END OF JULY AND HARVESTED IN NOVEMBER. INDIA HAS VARIOUS QUALITY GUAR SEEDS AND IT CULTIVATES TWO OR THREE HYBRID CROPS IN A YEAR. THE GUM OBTAINED FROM THE PLANT IS A HIGH MOLECULAR WEIGHT HYDROCOLLOIDAL POLYSACCHARIDE, COMPOSED OF GALACTAN AND MANNAN UNITS COMBINED THROUGH GLUCOSIDIC LINKAGES ( CHEMICALLY DESCRIBED AS GALACTOMANNAN ) THIS HYDROXYL GROUP IS TREATED FOR MANUFACTURING VARIOUS DERIVATIVES AND INDUSTRIAL GRADE OF GUAR GUM.
