pullulan - 010101

pullulan - 010101
Shandong Jinmei Biotechnology Co.,Ltd
: 2013-08-08 20:56:45

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Description Of pullulan - 010101

pullulan - 010101 Specificaton & Trade Terms

Place Of OriginChina
Price TermEX-Work
Payment TermT/T
Pullulan is natural water-soluble polysaccharide. Dry pullulan powders are white granular solid. There are two mainly features of the product: structure of elastic, relatively large solubility. Pullulan has the strong properties of film-forming, gas barrier, plasticity and viscosity. It is easily soluble in water, non-toxic and harmless, colorless, odorless, which has been widely used in pharmaceutical, food, light industry, chemical and oil fields.
Process Flow Diagram:Slant culture—Seed culture—Main culture—Microfiltration—Decolorization—Deionization—Intermediate evaporation—Decolorization—Final filtration—Final evaporation—Drying—Pulverization and classification—Filling scaling packing--Storage
Molecular formula: (C37H62O30)n
Molecular weight: 200 thousand dalton

Package: 25kg/bag or 25kg/drum or packed according to customer's request.
Specification of Pullulan
Appearance White to slightly yellowish powder,
tasteless and odorless
Pullulan purity(dry basis) ﹥90%
Viscosity (10 wt% 30°) 100~180 mm2
Mono-,di- and oligosaccharides ≤ 5.0%
(dry basis)
Total nitrogen ≤ 0.05%
Loss on dry ≤ 5.0%
Lead(Pb) ≤ 0.2 ppm
Arsenic ﹤2 ppm
Heavy metals ﹤5 ppm
Ash ≤ 1.0%
pH (10% w/w aqueous solution) 5.0~7.0
Yeast and moulds ≤ 100
Coliforms ﹤3.0

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