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A close photo of a cucumber
Vegetables Fruit vegetables

Cucumber

The cucumber is a refreshing, hydrating member of the gourd family. Though botanically a fruit, it’s often used culinarily as a vegetable. Known for its mild flavor and high water content, it’s a versatile addition to salads, snacks, and drinks.

Did you know ?

  • Cucumbers are over 95% water, making them incredibly hydrating.
  • Applying cucumber slices to the eyes can help reduce puffiness.
  • Some varieties of cucumbers can grow to be over two feet long!

View other Fruit vegetables

Values of one medium cucumber (~300g) :

Calories45 kcal
Proteins2g
Carbohydrates11g
of which sugars5g
Fiber2g
Fats0g

Vitamins and minerals

Main vitamins

Vitamin KVitamin CVitamin B9

Main minerals and trace elements

PotassiumMagnesiumManganesePhosphorus

How to know if a cucumber is ripe

Section titled “ How to know if is ripe”
A perfectly ripe cucumber

Perfectly ripe

Firm, dark green, and crisp with a refreshing and slightly sweet flavor. The flesh is firm, and the seeds are small and tender.

How to recognize this state :

  • Firm but yielding texture
  • Dark green color
  • Smooth skin, without blemishes
  • Slightly sweet flavor
  • Hydrating and crisp
  • Shape is smooth and rounded
  • Seeds are small and tender
  • Weighty for it's size

English Cucumber (hothouse)

Long, thin-skinned with small seeds and mild flavor, often sold wrapped in plastic.

Slicing Cucumber (American)

Thick skin, larger seeds, and a slightly bitter taste; commonly found in supermarkets.

Persian Cucumber

Small, crisp, and nearly seedless; similar to English cucumbers but shorter.

Lemon Cucumber

Round, yellow cucumber with a slightly sweet and mild flavor.

How to choose a cucumber

Section titled “ How to choose ”

To choose a quality cucumber at the supermarket or market :

  • Select cucumbers that are firm, heavy for their size, and free from blemishes.
  • Choose cucumbers with smooth, dark green skin.
  • Avoid cucumbers that are overly large or have yellow spots, as they may be overripe.
  • Look for cucumbers with a slight firmness when gently squeezed.

How to store a cucumber

Section titled “ How to store ”

Store unwashed cucumbers in the refrigerator's crisper drawer.

Wrap cucumbers in plastic wrap to help retain moisture.

Use within one week for best quality.

Avoid storing cucumbers near ethylene-producing fruits, such as bananas or tomatoes.

How to ripen a cucumber

Section titled “ How to ripen ”

Cucumbers don't typically 'ripen' after harvest, but here's how to prevent spoilage :

  • Cucumbers are best when harvested at peak ripeness.
  • To maintain freshness, store them properly in the refrigerator.

Health benefits of a cucumber

Section titled “ Health benefits of ”
  • High in water content, promoting hydration
  • Low in calories, making it a good choice for weight management
  • Good source of vitamin K for bone health
  • Contains antioxidants that may protect against cell damage
  • Promotes healthy digestion due to fiber content

Cucumbers originated in India and have been cultivated for over 3,000 years. From there, they spread to Greece and Rome and, later, to the Americas with European colonization. Today, cucumbers are enjoyed worldwide.

Regions of origin

  • India (Origin)
  • Middle East
  • Greece and Rome
  • The Americas

Cook a cucumber according to its ripeness

Section titled “ Cook according to its ripeness”

Unripe

  • Cucumber and mint cooler
  • Cucumber infused water
  • Cucumber ice cubes

Perfectly ripe

  • Cucumber salad with dill and yogurt
  • Tzatziki sauce
  • Cucumber raita

Too ripe

  • Cucumber relish
  • Sweet cucumber pickles
  • Cucumber chutney

Warnings and precautions for a cucumber

Section titled “ Warnings and precautions for ”
  • Some people may be allergic to cucumbers.
  • Bitter cucumbers should be avoided due to high cucurbitacin content.
  • Wash cucumbers thoroughly to remove dirt and pesticides.
  • Excessive consumption may lead to mild digestive issues in some individuals.

Do not confuse with

Zucchini

Has a similar shape and texture, but zucchini is typically darker green and has a different flavor profile.

Pickles

Are cucumbers that have been preserved in brine or vinegar.