Iota semi-refined carrageenan series（IB20E）

Iota semi-refined has excellent characteristics such as gelling, thickening, emulsifying, moisturizing, film-forming and stable dispersion, and is widely used in dairy products, cheese cakes, meat products, frozen drinks, new health products and cosmetics.

Quality Index

Executive Standard			GB 1886.169-2016
Inspection Items			Specification
Sensory	Color and luster		White or light yellow to brownish yellow
	Graininess（80/120/200）		95%
Physicochemical Analysis	Sulphate (以SO₄^2-), w/%		15-40
	Viscosity(1.5%、75℃) / Pa·s ≥		0.005
	Dry reduction (105℃、4h), w/% ≤		12.0
	Total ash (550℃、4h), w/%		15-40
	Acid Insoluble Ash, w/% ≤		1
	Acid Insoluble matter, w/% ≤		15
	pH（1%）		8～11
	Residual solvent(isopropanol、methanol),w/% ≤		0.1
	Lead (Pb) /(mg/kg) ≤		5.0
	Arsenic (As) /(mg/kg) ≤		3.0
	Cadmium（Cd）/( mg/kg) ≤		2.0
	Mercury（Hg）/(mg/kg) ≤		1.0
Microorganism	Total Plate Count /(CFU/g) ≤		5000
	E. Coli	CFU/g ＜	10
		MPN/g ＜	3.0
	Salmonella (25g)		Negative in 25g

Properties

Carrageenan, also known as carrageenan and antler alginate, is a high molecular hydrophilic polysaccharide extracted from red algae. It has high economic value. It is one of the three major seaweed gum industrial products (agar, carrageenan and alginate) in the world.

CAS No.

11114-20-8

Formula

C24H36O25S22

Molecular Mass

788.65764

Exact Mass

788.09900

PSA

394.53000

Logp

-6.52700

IUPAC

[(2R,3S,4R,5R,6S)-6-[[(1R,3S,4R,5R,8S)-3,4-dihydroxy-2,6-dioxabicyclo[3.2.1]octan-8-yl]oxy]-4-[[(1R,3R,4R,5R,8S)-8-[(2S,3R,4R,5R,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-sulfonatooxyoxan-2-yl]oxy-4-hydroxy-2,6-dioxabicyclo[3.2.1]octan-3-yl]oxy]-5-hydroxy-2-(hydroxymethyl)oxan-3-yl] sulfate

Matter Classification

organic

Category

Appearance

White to light yellowish brown, surface wrinkled, slightly shiny translucent sheet or powder, odorless and tasteless, sticky and smooth taste

HS Code

13023911

UN No.

DG-Class

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