Chemical analysis of Sorbitol

SORBITOL

Ref: FAO

 Prepared at the 46th JECFA (1996), published in FNP 52 Add 4 (1996) superseding specifications prepared at the 33rd JECFA (1988), published in FNP 38 (1988). Metals and arsenic specifications revised at the 57th JECFA (2001). An ADI ‘Not specified’ was established at the 26th JECFA (1982).

SYNONYMS : D-Glucitol, D-sorbitol, sorbit, sorbol, INS No. 420(i)

DEFINITION

Chemical names:  D-Sorbitol

C.A.S. number:  50-70-4

Chemical formula:  C6H14O6

Structural formula:

Formula weight:  182.17

Assay:  Not less than 97.0% of C6H14O6 of total glycitols and not less than 91.0% of D-sorbitol on the anhydrous basis. The term glycitols refers to compounds with the structural formula CH2OH-(CHOH)n-CH2OH, where n is an integer less than or equal to 4.

DESCRIPTION: White hygroscopic powder, crystalline powder, flakes or granules

FUNCTIONAL USES: Sweetener, humectant, sequestrant, texturizer, stabilizer, bulking agent

CHARACTERISTICS

Solubility (Vol. 4:) Very soluble in water, slightly soluble in ethanol

Melting range (Vol. 4): 88 – 102^o

PURITY

Water (Vol. 4); Not more than 1% (Karl Fischer Method)

Sulfated ash (Vol. 4); Not more than 0.1%

Chlorides (Vol. 4); Not more than 50 mg/kg

Sulfates (Vol. 4); Not more than 100 mg/kg

Nickel (Vol. 4); Not more than 2 mg/kg

Reducing sugars; Not more than 0.3%

Total sugars; Not more than 1% (as glucose)

Lead (Vol. 4); Not more than 1 mg/kg

This post is also available in: Persian