|Place of Origin:||CHINA|
|Minimum Order Quantity:||100kg|
|Packaging Details:||25kg/Carton and it can load 20MT in one 20'GP|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union, MoneyGram|
|Supply Ability:||10000 MT per year|
|Storage Temperature:||0-6°C||Refractive Index:||21 ° (C=10, H2O)|
|Assay:||99.0% Min||Heavy Metals:||10ppm Max|
Pure Vitamin C Natural Ascorbic Acid with White Colourless Crystal Powder 99.5% Assay
Ascorbic Acid is well-known for its antioxygenation. Most people are familiar with L-Ascorbic also called Vitamin C. Ascorbic acid is easy to be oxydated, but it can prevent different cells from damaging. So it is called antioxidant. Vitamin C was usually used for food preservation, acidification and fresh keeping. Until now no toxic and side effects were found in Vitamin C. Adversely it is better for the health of human body. Human can not produce Vitamin C in the body and it exists in chilies, berries, oranges, cabbages, broccoli, spinach, potatoes, etc.. Vitamin C is very sensitive to high temperature, light and oxygen. It can be preservative and acidifier. Meanwhile it can also prevent the food from discoloring because of oxygen action.
|Product Name||Vitamin C|
|Synonym||L-Ascorbic Acid; Ascorbic Acid|
|Melting Point||190-194 °C|
|20.5 º (c=10,H2O)|
|Refractive index||21 ° (C=10, H2O)|
|TEST ITEMS||SPECIFICATIONS||TEST VALUE|
|Appearance||White or almost white, crystalline powder or colourless crystals||A white crystalline powder|
|Melting point||About 190℃, with decomposition||191℃|
|Infrared Absorption Spectrum||Infrared absorption spectrum accord with the reference spectrum of ascorbic acid CRS||Meets the requirements|
|pH (with 5% water solution)||2.1 ~ 2.6||2.3|
|pH (with 2% water solution)||2.4 ~ 2.8||2.5|
|Appearance of solution||Clarity : clear; Colour: ≤BY7||Clarity: clear; Colour: <BY7|
|Specific optical rotation||+20.5 ̊ ~ +21.5 ̊||+21.0 ̊|
|Loss on drying||≤0.4%||0.04%|
Impurity C: ≤0.15%
Impurity D: ≤0.15%
Unspecified impurities: ≤0.10%
Total impurities: ≤0.2%
Impurity C: undetectable
|Residual solvents||Meets the requirement||Meets the requirements|
Application in Food
|Food Additives Name||Food Name||Fuctions||Maximum Usage(g/kg)|
|Vitamin C||Sports Nutrition||Nutrient supplements||15－500mg|
|Ascorbic Acid||Fruit jam||Antioxidant||5.0|
|Vitamin C||Infant Recipe Food||Nutrient supplements||30-270mg/100g|
|Vitamin C||Gelatinized confections||Nutrient supplements||1000~4000mg/kg|
|Ascorbic Acid||Sweet Juice||Antioxidant||1|
Packaging and storage
25kg/carton or drum or according to the requests of the customers in bulk.
For storage, it should be stored in a cool and dry place at room temperature and avoid the direct sunlight.
1. Can we pay by RMB or only USD?
Actually we can accept your payment by RMB, US dollars, Euro etc. but we prefer US dollars and RMB more.
2. Is it possible to deliver the goods to us by door to door?
Yes, we have a very good shipping agent and if you need, it is no problem to deliver the goods to you by door to door.
Contact Person: terry