---
kind: "section"
citation: "21 C.F.R. § 186.1275"
title: "21"
number: "186.1275"
heading: "Dextrans."
url: "https://uscodex.org/cfr/21/186.1275"
---

# §186.1275. Dextrans.

- (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.

## Notes

### Amendments

[43 FR 29288, July 7, 1978, as amended at 48 FR 48457, Oct. 19, 1983]

### Authority

Authority: 21 U.S.C. 321, 342, 348, 371.

### Source

Source: 42 FR 14658, Mar. 15, 1977, unless otherwise noted.

### Amendments

[43 FR 29288, July 7, 1978, as amended at 48 FR 48457, Oct. 19, 1983]