butylated hydroxytoluene (BHT)
Basic Information
| Field | Content |
|---|---|
| Chinese name | butylated hydroxytoluene (BHT) |
| English name | butylated hydroxytoluene (BHT) |
| INS/E number | INS 321 |
| Functional class | Antioxidant |
| Year adopted | 1987 |
| Approved by | Australia/New Zealand (FSANZ), European Union (EFSA), United States (FDA) |
What is it?
Butylated hydroxytoluene (BHT) is a food antioxidant synthesised by alkylating p-cresol with isobutylene, chemically stable. It is used to protect oils, high-fat foods and food-contact packaging.
Source
Industrial：烷基化反应、精制得到 BHT
Why is it used?
- Prevents oxidative rancidity of oils
- Synergises with BHA and PG
- Antioxidant action in food packaging
- Used in oils, snack foods, chewing gum
Common Foods
- Edible vegetable oils
- Fried foods
- Extruded and bakery foods
- Chewing gum
- Instant noodles
- Dehydrated foods
Safety
ADI (Acceptable Daily Intake)：0-0.3 mg/kg bw
Concerns：
- 按规定限量使用
- 避免过量摄入
Usage Standard
China：GB 2760《食品安全国家标准 食品添加剂使用标准》
International：
- EU Regulation 1333/2008 Annex II (E 321)
- FDA 21 CFR 182.3173 (GRASS)
- Codex GSFA (INS 321)
- FSANZ Food Standards Code (321)
In a nutshell
BHT is a synthetic fat-soluble antioxidant safe within limits for oils.
Consumer Advice
BHT (butylated hydroxytoluene) is a synthetic antioxidant often used with BHA to prevent fat oxidation in cooking oils, chewing gum and breakfast cereals. Its safety has been assessed over many years and most international bodies regard authorised levels as safe, although high-dose animal studies have shown potential effects. Under a balanced diet there is no cause for concern; simply avoid overconsuming fatty processed foods.
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.