[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR186.1839]
[Page 590-591]
TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN
SERVICES (CONTINUED)
PART 186_INDIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED
Subpart B_Listing of Specific Substances Affirmed as GRAS
Sec. 186.1839 Sorbose.
(a) Sorbose (L-sorbose, sorbinose)
(C6H12O6, CAS Reg. No. 87-79-6) is an
[[Page 591]]
orthorhombic, bisphenoidal crystalline ketohexose. It was originally
identifed in the juice of mature berries from the mountain ash (Sorbus
aucuparia) where it occurs as the result of microbial oxidation of
sorbitol. It also occurs naturally in other plants. Sorbose can be
synthesized by the catalytic hydrogenation of glucose to D-sorbitol. The
resulting sorbitol can be oxidized by Acetobacter xylinum or by
Acetobacter suboxydans.
(b) The ingredient is used or intended for indirect food use as a
constituent of cotton, cotton fabrics, paper, and paperboard in contact
with dry food.
(c) The ingredient migrates to food 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 11698, Mar. 21, 1978, as amended at 48 FR 48457, Oct. 19, 1983]
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