Is Sorbitan Monostearate Vegetarian?

Caution

Sometimes. Sorbitan monostearate (e491) is an emulsifier that can come from either animal or plant sources. If the label does not provide a source, we recommend calling the manufacturer.

Sorbitan Monostearate and the Vegetarian Diet

Sorbitan monostearate is a synthetic compound used as an emulsifier in food products. It is formed by reacting sorbitol and stearic acid, both of which can be derived from either plant or animal sources. This ingredient helps blend ingredients that typically do not mix well, such as oil and water, thereby enhancing the texture and stability of processed foods.

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How Spoonful reviews ingredients

  • Evidence-based. Diet compatibility ratings are compiled from peer-reviewed nutrition guidance, dietary association recommendations, and ingredient composition data.
  • Continuously updated. Our ingredient database is refreshed as new sources and product data become available.
  • Transparent uncertainty. When an ingredient's safety depends on serving size, preparation, or sub-ingredients, we mark it “caution” rather than forcing a binary answer.
  • Not medical advice. Ratings are general guidance. Always consult a registered dietitian for personalized recommendations.

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