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Permitted Antioxidant (INS319)

Also Known As : Tertiary Butylhydroquinone, Tert-Butylhydroquinone, 319, INS 319, E319, TBHQ, 2-tert-butyl hydroquinone, 2-tert-butyl-1,4-dihydroxybenzene, 2-tert-butylbenzene-1,4-diol, 2-(1,1-dimethyl ethyl)-1,4-benzenediol


Taste Profile

It has a mild characteristic odour.

Usage Tips

  1. Permitted Antioxidant (INS319) is commonly used in oils, fats, butter, ice cream, margarine, bread, potato chips, crackers, instant- noodles frozen foods.
  2. It’s used in the highest concentrations in frozen fish products.
  3. Always store in a cool, dry area free from moisture, oxidizing agents like hydrogen peroxide, chlorine, fluorine etc and keep container closed when not in use. It will last for 3 years from the date of manufacture, when correctly stored.

Common names and forms

  1. Antioxidant ( E319)
  2. Antioxidant (319)
  3. Antioxidant (INS 319)
  4. Antioxidant (TBHQ INS 319)
  5. Antioxidant-Tertiary Butylhydroquinone (INS 319)
  6. Antioxidant: TBHQ
  7. Permitted Anti-Oxidant TBHQ (E-319)
  8. Permitted Antioxidant TBHQ [319]
  9. Permitted Antioxidant(319)
  10. TBHQ Powder (INS 319)
  11. Tertiary Butylhydroquinone (Antioxidant. E319)


Permitted Antioxidant (INS319) is used as an antioxidant in fats and oils. It is a petroleum-derived additive and is very commonly known as TBHQ which stands for Tertiary Butylhydroquinone. It is a white to light tan crystalline substance used in food products in order to prevent oxidation and rancidity and thereby increase shelf life. It is considered heat-stable and hence works as an effective antioxidant in the prevention of oxidation of frying oils. It also protects foods with iron from discoloration.


Consumption of Permitted Antioxidant (INS319) may cause cancer, birth defects, nausea, vomiting, delerium, collapse, dermatitis. A dosage of 5g Permitted Antioxidant (INS319) is considered fatal.(1)

- Disclaimer
"Information here is provided for discussion and educational purposes only. It is not intended as medical advice or product or ingredient review/rating. The information may not apply to you and before you use or take any action, you should contact the manufacturer, seller, medical, dietary, fitness or other professional. If you utilize any information provided here, you do so at your own risk and you waive any right against Culinary Communications Private Limited, its affiliates, officers, directors, employees or representatives.”