Scleroglucan; Scleroglucan or poly(-3(O-beta-D-glucopyranosyl-(1-3)-O-(beta-D-glucopyranosyl-(1-6))-O-beta-D-glucopyranosyl-(1-3)-O-beta-D-glucopyranosyl-(1-) produced by Sclerotium rolfsii. Relative molecular mass is about 5.10(sup 6); SCLEROTIUM GUM