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Key lime

Key lime is a small, strongly tart citrus fruit used for aromatic juice and zest, with bottled juice representing a distinct processed form.

Key lime — illustrative ingredient image

About Key lime

Key lime is a small citrus fruit with a thin rind, aromatic juice, and a strongly tart, distinctive citrus flavour. The fruit is usually round and green when unripe, becoming yellowish as it matures. Its flesh is juicy and segmented, and it commonly contains seeds. Fresh fruit is used for its juice and zest in cooking and drinks.

Key limes are sold whole, and their juice may also be sold bottled or incorporated into prepared products. These forms are not identical: bottled juice can vary with processing and added ingredients, while zest contributes aromatic oils not represented by juice alone. The name refers to this particular type of lime, rather than limes in general.

Ingredient type
whole food

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Where key lime appears

1 linked foods

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Desserts

Ingredient connections awaiting review · Coverage is still growing, including packaged snacks.

Name examples awaiting language review. Confirm the specific food or product.

Local names for key lime

Names and romanised forms to recognise on menus and labels.

English

Key lime

English

Mexican lime

Available names only. Languages may be spoken in other countries; a name alone does not identify every ingredient in a dish.

Key lime nutrition & diet

Key lime nutritional value

Reference: Lime

Per 100 g of 100 g edible portion in the named official reference form.

Calories
47kcal
Protein
0.7g
Carbs
10.3g
Fat
0.2g

Official national food-composition reference. The displayed food form is part of the estimate; cultivar, recipe, brand, processing and preparation can change values.

Whole fruit, juice, and zest have different edible portions and composition; bottled juice may also differ from fresh juice through processing or added ingredients. Compare matching forms when using measured nutrition.

Dietary compatibility

  • Vegan
    Not established
  • Vegetarian
    Not established
  • Pescatarian
    Not established
  • Keto
    Not established
  • Paleo
    Not established
  • Low-carb
    Not established
  • Halal
    Not established
  • Kosher
    Not established
What these diet assessments mean
Vegan · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Vegetarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Pescatarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Keto · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Paleo · Not established
The ingredient form and processing have not been assessed against this dietary pattern.
Low-carb · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Halal · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish halal status.
Kosher · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish kosher status.

For the plain ingredient · Awaiting review. Diet compatibility is not allergy suitability or halal/kosher certification. Keto and low-carb depend on the portion.

Reviewed ingredient entryIngredient reference · Preparations vary

AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.

Sources & review

Nutrition reference: Swedish Food Agency Food Database, 2026-07-01 — 572 ↗. Values are scaled from 100 g of the recorded edible form. Individual portions have no assumed fixed weight.

Expanded overview, name examples and nutrition notes are database drafts awaiting editorial review. Numeric nutrition values, where shown, have their own source and food-form reference.

The ingredient description and dish connections come from the draft catalogue and may change after review.

Last recorded verification: .