Comparing E300 - Ascorbic acid vs E224 - Potassium metabisulphite
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Found in 3,523 products
Found in 466 products
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Search volume over time
Interest over time for 4 keywords in U.S. during the last 10 years.
Interest over time for 3 keywords in U.S. during the last 10 years.
Popular questions
Is ascorbic acid bad for you?
No—ascorbic acid (vitamin C) is considered safe at typical food levels and is essential for health; it’s GRAS in the U.S. and approved in the EU. Very high supplemental doses can cause gastrointestinal upset and, in susceptible people, increase kidney stone risk.
Can dogs have ascorbic acid?
Yes, small amounts in foods are safe, but dogs synthesize their own vitamin C and usually don’t need supplements. High doses may cause diarrhea, so consult a veterinarian before supplementing.
What is ascorbic acid made from?
Commercial ascorbic acid is typically made from glucose (often derived from corn, wheat, or cassava) that’s converted via microbial fermentation and chemical steps into L‑ascorbic acid.
How is ascorbic acid made?
Industrially, D‑glucose is converted to 2‑keto‑L‑gulonic acid by fermentation (or via the older Reichstein process: glucose → sorbitol → L‑sorbose → 2‑KGA) and then chemically cyclized to ascorbic acid. Modern methods use two-step fermentation to improve efficiency.
Is ascorbic acid the same as citric acid?
No—ascorbic acid (E300) is vitamin C and an antioxidant, while citric acid (E330) is a different compound mainly used as an acidulant and does not provide vitamin C.
How much potassium metabisulfite per gallon of wine?
About 0.3 g per US gallon (≈50 ppm as SO2), or 1 Campden tablet per gallon; adjust to wine pH and confirm with a free SO2 test.
How much potassium metabisulfite per gallon of mead?
Start with ~0.3 g per US gallon (≈50 ppm as SO2), or 1 Campden tablet per gallon; mead’s typically higher pH may require more to reach the target molecular SO2, and stabilization often also uses potassium sorbate.
Is potassium metabisulfite harmful?
At permitted food levels it’s generally considered safe, but sulfites can trigger asthma or allergic‑like reactions in sensitive individuals; the powder/solutions are irritating, so avoid inhalation and skin/eye contact.
When to add potassium metabisulfite to wine?
Add at crush to limit wild microbes and oxidation, then maintain appropriate free SO2 after fermentation during aging/racking and just before bottling based on pH.
How much potassium metabisulfite per gallon?
About 0.3 g per US gallon (≈50 ppm as SO2), or 1 Campden tablet per gallon; measure free SO2 and adjust for your beverage’s pH.