Polydextrose is a synthetic polymer made up of glucose and sorbitol that is commonly used as a food ingredient. It is a type of soluble fiber and low-calorie carbohydrate often found in various processed foods, including snacks, frozen desserts, and baked goods.

Parameter	Acceptance criteria	Unit	Method reference
Appearance	White to off-white fine powder		Visual
Odor and taste	Odorless and bland		Sensory
Identification	Pass		GB 25541-2010
Molecular Weight Limit	Max. 22,000		FCC 2023
Insolubles	Clear, no visual impurities		Visual and Filtration
Assay, as polydextrose*	Min. 90.00	%	GB 25541-2010
1,6-Anhydro-D-glucose*	Max. 4.00	%	GB 25541-2010
Dextrose*	Max. 4.00	%	GB 25541-2010
Sorbitol*	Max. 2.00	%	GB 25541-2010
5-Hydroxymethylfurfural & related compounds*	Max. 0.10	%	GB 25541-2010
pH (10% solution)	4.00~6.00		GB 25541-2010
Water	Max. 4.00	%	GB 5009.3-2016
Residue on ignition (sulfated ash)	Max. 0.30	%	GB 5009.4-2016
Heavy metals (as Pb)*	Max. 5.00	mg/kg	GB 5009.74-2014
Lead (Pb)*	Max. 0.50	mg/kg	GB 5009.12-2017
Nickel (Ni)*	Max. 2.00	mg/kg	GB 5009.138-2017
Total aerobic plate count	Max. 1,000	cfu/g	GB 4789.2-2016
Yeast & mold	Max. 20	cfu/g	GB 4789.15-2016
Coliforms	Max. 3.0	mpn/g	GB 4789.3-2016
Salmonella	Negative	In 25g	GB 4789.4-2024
Escherichia Coli	Negative	In 25g	GB 4789.36-2016
Staph.aureus	Negative	In 25g	GB 4789.10-2016