Pectin

What it is

Pectin (E440) is a structural carbohydrate found in the cell walls of terrestrial plants. In cooking and food manufacturing, it is the quintessential gelling agent, responsible for giving jams and jellies their semi-solid texture.

How it is used in food

The natural gel of apples and citrus peel — what makes jam set.

• Jams, jellies, and marmalades
• Fruit gummies and vegan confectionery
• Yoghurt (to provide a firmer texture)
• Medicinal throat lozenges

Health and safety

None known.

Entirely soluble fiber.

Regulatory status

Identification on labels

E-number

E440

Also printed asAmidated pectin

Alternatives to this additive

• E428: Gelatine — The traditional animal-based gelling agent, though pectin is often preferred for vegan products.
• E406: Agar — A seaweed-based gelling agent that sets much firmer than pectin.

How it is made

Commercial pectin is almost entirely extracted from the byproducts of the juice industry—specifically citrus peels (lemons, limes, oranges) and apple pomace (the solid remains after pressing apples for cider).

1. Extraction — Citrus peels or apple pomace are heated in a dilute acid solution (like hot water with a little lemon juice).
2. Precipitation — The liquid is filtered, and alcohol is added to force the pectin to precipitate out.
3. Drying — The pectin is dried and ground into a powder.

Worth knowing

It is the reason grandma added apple slices to runny jam.

Conclusion

E440 is the ultimate clean-label thickener. It is the gold standard for fruit preservation and vegan gummy manufacturing.

References

• EFSA re-evaluation of pectins (E 440i, E 440ii) — EFSA