Last reviewed May 2026 · 1 min read
Is Biphenyl vegan?
Also known as: Diphenyl, E230
E-number: E230
Vegan
Suitable for a vegan diet.
Yes — It is a synthetic product derived from coal tar or petroleum.
01 · The basics
What is Biphenyl?
An organic compound used primarily as a preservative to prevent mold growth on citrus fruits.
02 · The source
Where it comes from
It is a synthetic product derived from coal tar or petroleum. It contains no animal derivatives.
03 · Alternatives
Best vegan alternatives
Essential oils
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Frequently asked
FAQ
Is E230 (Biphenyl) vegan?
Yes, it is 100% synthetic.
Is it safe to eat the peel?
If the fruit was treated with E230, you should wash it thoroughly or avoid eating the peel, as it is a pesticide/preservative.
Commonly found in
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Other preservative ingredients
E1105 (Lysozyme)
A preservative often used to prevent bacterial growth in cheeses.
Dodecyl Gallate
An antioxidant used to prevent fats and oils from oxidizing and going rancid.
BHT
A synthetic antioxidant used to preserve the freshness, color, and flavor of packaged foods and cosmetics.
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