Mexican Key Limes are an excellent source of vitamin C and low in calories. Key limes contain about 37 calories per 100 grams.
Mexican Key Limes
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Mexican Key Limes are native to India and flourish in tropical and subtropical growing regions. They have been naturalized in several other regions outside of subtropical Asia, including South America, Mexico and Florida. The trees have not adapted to any other regions in America outside of Florida. The juice of the Mexican Key Lime is often processed before it is sold commercially. All of the key limes sold in the general marketplace are from either Mexico or South America.

Mexican Key Limes resemble common Limes but are generally smaller and more rounded, roughly two inches in diameter. The thin peel is smooth, leathery and filled with sweet aromatic oils. The segmented, seed-bearing flesh contains a sweet-tart juice, a trademark that sets it apart from common Limes.


Mexican Key Limes are available year round.


Look for Mexican Key Limes that give a little when gently squeezing them with your finger tips. This is an indicator the Limes will have less pith, and more juice.

If their green skin is blushed with yellow, that is a sign of ripeness.


Mexican Key Limes that are stored at room temperature stay fresh for about a week, if kept out of direct sunlight. Ideally, Mexican Key Limes are best kept in the crisper drawer of your refrigerator. They should keep for up to 3-5 weeks, refrigerated.

Portion Size

Allow 1-2 t of Mexican Key Lime juice or zest per recipe.


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Nutritional Value USDA
Amount Per 100g
Calories 30
%Daily Value*
Total Fat 0g
Saturated Fat 0g
Polyunsaturated Fat 0g
Monounsaturated Fat 0g
Cholesterol 0mg
Sodium 2mg
Potassium 102mg
Total Carbohydrate 10g
Dietary Fiber 2g
Sugars 1g
Protein 0g
* Percent Daily Values are based on a 2,000 calorie diet. Your Daily Values may be higher or lower depending on your calorie needs.

Mexican Key Limes are an excellent source of vitamin C and low in calories. Key limes contain about 37 calories per 100 grams.

Gluten Free


Low Fat


Low Calorie