Guar gum: a cheap substitute for agar in microbial culture
Jul 25, 2005#0183;#32;In the present study, we report the successful use of guar gum as a sole gelling agent for microbial culture media. Guar gum is derived from the endosperm of Cyamopsis tetragonoloba, a leguminous annual herb. Guar gum has a watersoluble fraction (85%) called guaran. It is a nontoxic colloidal polysaccharide made up of straight chain mannan