Description OF BP/USP/FCCVII Ascorbic Acid 50-81-7
Appearance white crystals/powder
Shelf life:2 years
BP/USP/FCC Ascorbic Acid is a white or slightly yellow crystals or powder,a little acid.m.p.190°C-192°C,easily soluble in water,a little soluble in alcohol and uneasily soluble in Ether and chlorofom and other organic solvent.In solid state it is stable in air.Its water solution is easliy mutated when it meets with air.
Specifications OF BP/USP/FCCVII Ascorbic Acid
|Appearance||White or almost white crystal or crystalline powder|
|Melting point||191 °C ~ 192°C|
|pH (5%, w/v)||2.2 ~ 2.5|
|pH (2%,w/v)||2.4 ~ 2.8|
|Specific optical rotation||+20.5° ~ +21.5°|
|Clarity of solution||Clear|
|Assay (as C 6H 8O6, %)||99.0 ~ 100.5|
|Loss on drying||≤0.1%|
|Sulphated ash||≤ 0.1%|
|Residual solvents (as methanol)||≤ 500 mg/kg|
|Total plate count (cfu/g)||≤ 1000|
|Yeasts & molds (cfu/g)||≤ 100|
|Staphylococcus aureus/ 25g||Absence|
Application OF BP/USP/FCCVII Ascorbic Acid
1.Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2.Prevent formation of nitrous amine from nitrous acid in meat products.
3.Improve dough quality and make baked food expand to its maximum.
4.Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
5.Used as nutritional element in additives,Feed additives.