- (a) Dextrans (CAS Reg. No. 9004-54-0) are high molecular weight polysaccharides produced by bacterial fermentation of sucrose. Commercially available dextrans are synthesized from sucrose by Leuconostoc mesenteroides strain NRRL B-512(F). Partial depolymerization and purification of the fermented mixture shall produce a product that is free of viable microorganisms.
- (b) The ingredient is used or intended for use as a constituent of food-contact surfaces.
- (c) The ingredient is used at levels not to exceed good manufacturing practice.
- (d) Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.
[43 FR 29288, July 7, 1978, as amended at 48 FR 48457, Oct. 19, 1983]