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ascorbic acid ​

Basic Information ​

FieldContent
Chinese nameascorbic acid
English nameascorbic acid
INS/E numberINS 300
Functional classAcidity regulator, Antioxidant, Flour treatment agent, Sequestrant
Year adopted1958
Approved byAustralia/New Zealand (FSANZ), European Union (EFSA)

What is it? ​

Ascorbic acid (vitamin C) is a water-soluble vitamin that serves both as a nutrient and as an antioxidant and colour-stabilising agent in foods, preventing oxidation and browning.

Source ​

Industrial:由葡萄糖经微生物(如欧文氏菌/酵母)发酵或化学法转化制得

Why is it used? ​

  • Strong antioxidant preventing oxidative rancidity
  • Inhibits enzymatic browning (e.g. cut fruit, juices)
  • Acts as a flour improver and colour aid
  • Supplies nutrient (fortification)

Common Foods ​

  • Beverages and fruit juices
  • Canned fruits
  • Fresh-cut produce
  • Meat products (colour fix)
  • Flour and bakery

Safety ​

ADI (Acceptable Daily Intake):not limited (维生素C)

Concerns:

  • 极高剂量可致腹泻(一般不达此水平)

Usage Standard ​

China:GB 2760《食品安全国家标准 食品添加剂使用标准》;GB 14880 营养强化剂

International:

  • EU Regulation 1333/2008 Annex II (E 300)
  • FDA 21 CFR 182.3013 (Ascorbic acid, GRAS)
  • Codex GSFA (INS 300)
  • Australia New Zealand Food Standards Code (Ascorbic acid)
  • JECFA Monograph (ADI not specified)

In a nutshell ​

Ascorbic acid (vitamin C) is both a nutrient and a potent antioxidant/colour stabiliser, highly safe.

Consumer Advice ​

Ascorbic acid is vitamin C, an essential nutrient and a widely used antioxidant in food that prevents oxidation, browning and nutrient loss in drinks, juices, meat products and flour. It is extremely safe; very large daily doses are well tolerated, and the amounts used as an additive are small and mostly provide nutritional and freshness benefits. There is no reason for concern.

Dietary Restrictions ​

  • Vegan: ✅
  • Halal: ✅
  • Kosher: ✅

Allergens ​

✅ Free from common allergens

Disclaimer ​

The information provided here is for discussion and educational purposes only. It is not medical advice or an evaluation/rating of any product or ingredient. This information may not apply to you; before using or taking any action, you should contact the manufacturer, vendor, medical, dietary, fitness, or other professionals. If you use any information provided here, you do so at your own risk.