Ascorbic Acid (Vitamin C) FAQ | Common Buyer Questions

Here are the most common questions buyers ask about Ascorbic Acid (Vitamin C, E300), the food grade antioxidant supplied by GNF CHEMICAL.

What is Ascorbic Acid?Ascorbic Acid, also called Vitamin C (E300), CAS 50-81-7, is a water-soluble antioxidant and nutritional fortifier widely used in food, nutrition, cosmetics and feed.
What is the function of Ascorbic Acid in food?
It acts as an antioxidant to prevent browning, protect color and flavor, prolong shelf life, and also serves as a nutrition enhancer to add vitamin C.
What grades of Vitamin C do you supply?
We provide Food Grade, Feed Grade and Pharma Grade Ascorbic Acid, meeting FCC, USP, EP and GB standards.
Is your Ascorbic Acid HALAL and KOSHER certified?
Yes, our Vitamin C comes with complete certificates including HALAL, KOSHER, ISO, FDA and batch COA.
What is the packing of Ascorbic Acid?
Standard packing is 25kg kraft paper bag. Customized packing is acceptable upon request.
What is the shelf life of Vitamin C powder?
24 months when stored in cool, dry, ventilated place, sealed and away from heat, moisture and sunlight.
Can I get free samples for quality test?
Sure, we support free sample for your lab test, you only need to cover the freight cost.
What industries can use L-Ascorbic Acid?
It is popular in beverages, bakery, meat products, dietary supplements, cosmetics and animal feed.
Does Ascorbic Acid dissolve easily in water?
Yes, it is freely soluble in water.
Are you a manufacturer or supplier of Ascorbic Acid?
GNF CHEMICAL is a reliable Food Grade Antioxidant Supplier, we can offer stable bulk supply, competitive price and full export service.