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1. Physical and Chemical characteristics,
GDL, white crystalline powder, almost odorless,freely soluble in water(60g/ml),has a slightly sweet taste, then sour, sparingly soluble in ethyl alcohol(1g/100ml),almost insoluble ether. Upon addition to water readily forms an mixture of the lactone gdl and gluconic acid.1% solution ph is 3.5,after 2H,PH is 2.5,about 153℃ decomposition
Molecular formula C6H10O6
Molecular weight 178.14
Structural formula：  2. Quality standard FCCIV、USP24、E575、GB7657－2005
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Item |
Standard |
Item |
Standard |
|
Appearance |
|
Lead % Max |
0.001 |
|
Assay % Min |
99.0 |
Reducing substances % Max |
0.5 |
|
Arsenic % Max |
0.0003 |
Sulfate % Max |
0.03 |
|
Heavy metals % Max |
0.0002 |
Chloride % Max |
0.02 |
3. Uses
GDL is a kind of excellent multifunctional food additive. It is mainly used as protein
coagulant, acidifier, expander, preservative, seasonings, chelating agent, colour-preserver
,etc. it is widely applied to food, daily chemical industry, pharmaceuticals, cosmetics. Plastic and resinxous modification, electrodeposition and polish, metal-surface cleaning and organic synthesis, etc.
For fish and prawn 0.1g/kg, residue is not more than 0.01 mg/kg;
For sausage, fish meat paste, grape juice, bean product, the max dosage is 3.0g/kg;
It can work with sodium bicarbonate in the ration of 2:1 to make cracker, bread and cake, the dosage is 0.13% of weight of flour .It is made of starch, is not-toxic and harmless to
Human.
4. Packaging
1)25kg woven bag or compound brown paper bag with plastic lining,
2)1kg Color Printing plastic bag packing,10kg/carton.
3)Against the clients?requirements.
5. Storage and Transportation This product keep in shaded, cool and air places. The shelf time is 2 years. It is a non-dangerous product and can be transported as a common chemical product. protect them from sunshine or rain. Handle with care in order to avoid damaging the package。 |
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