Is Mono and Diglycerides Vegan?
Can come from plant or animal fats.
May be vegan, but sourcing or formulation creates uncertainty.
Mono and Diglycerides profile
Mono and Diglycerides
- Also known as
- E471, Glycerol monostearate, Mono- and diglycerides of fatty acids
- Typical source
- Palm, soybean, or canola oil (plant); tallow or lard (animal)
- Source type
- Source-dependent
- Common function
- Emulsifier and texture improver — stabilizes water-oil mixtures
- Vegan status
- Both plant and animal production routes are commercially used
- E-number
- E471
Detailed answer
Source-dependent. Mono- and diglycerides are emulsifiers made from fats, and those fats can be plant oils or animal tallow. Labels almost never specify.
Why the answer varies
Mono- and diglycerides are made by reacting glycerol with fatty acids — the same building blocks found in every fat, whether coconut oil or beef tallow. Food manufacturers buy them as a commodity emulsifier without the final product carrying any trace of the original animal tissue, but the origin still matters to vegans. Industrial suppliers offer both vegetable-based and animal-based grades. Bakeries, margarine producers, and snack companies choose based on cost and supply, not label transparency. The result: E471 on a bread label tells you an emulsifier is present, not whether a cow was involved.
Where mono- and diglycerides appear
- Commercial sliced bread, buns, and tortillas
- Margarine, buttery spreads, and non-dairy alternatives
- Peanut butter and nut butters (prevents oil separation)
- Ice cream and frozen desserts (even some labeled non-dairy)
- Coffee creamers and whiteners
Quick reference
- E-number
- E471
- Plant sources
- Palm, soybean, rapeseed, sunflower oil
- Animal sources
- Tallow, lard, other rendered fats
- Label requirement for source
- Not required in US or EU
- Vegan-certified products
- Must use plant-derived E471
How to check on a label
- Spot 'mono- and diglycerides,' 'mono- and diglycerides of fatty acids,' or E471 on the ingredient list.
- Check for a vegan certification mark — that forces plant origin.
- Bread is the most common everyday exposure; artisan or bakery-fresh bread often skips E471 entirely.
- If the product also lists 'vegetable mono- and diglycerides,' that qualifier confirms plant origin.
- Contact the brand if E471 is the only flag and you eat the product regularly.
Frequently asked questions
- Is E471 the same as mono- and diglycerides?
- Yes. E471 is the EU code for mono- and diglycerides of fatty acids.
- Are mono- and diglycerides in bread vegan?
- Sometimes. Commercial bread frequently contains E471 from unspecified fat sources. Vegan-labeled or artisan bread is safer.
- Are plant-based mono- and diglycerides common?
- Yes — palm and soybean oil are major feedstocks. But animal-derived grades are also widely available, so you cannot assume plant origin.
- Is E471 related to glycerin?
- Both involve glycerol, but they are different ingredients. E471 is an emulsifier made from glycerol plus fatty acids; glycerin is the alcohol itself.
- Do mono- and diglycerides contain trans fats?
- They are not trans fats, though older concerns about partial hydrogenation sometimes get conflated. The vegan question is about fat source, not hydrogenation.
- What is a vegan alternative to E471 in home baking?
- Home bakers rarely need E471. Lecithin, aquafaba, or simply thorough mixing can emulsify without commercial additives.
Evidence
Last verified August 2026
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Checked by Is This Vegan? · August 2026