What is corn? Everything you need to know

Corn, scientifically known as Zea mays L., is a plant belonging to the large Poaceae family, often referred to as Grasses. The earliest evidence of its cultivation dates back to around 2,500 B.C., when it initially spread in Mesoamerica, a region that includes Mexico, Guatemala, and Costa Rica.

This cereal thrives in warm climates, requiring abundant sunlight and high temperatures for optimal growth. Areas where it takes 130 to 150 days to reach full maturity are the most suitable for obtaining high-quality harvests.

Corn, also known as “maize,” is one of the most widely cultivated cereals worldwide. Its seeds, which have a high starch content, make it closely related to other cereals in the Gramineae family, including wheat, barley, rice, rye, oats, sorghum, and millet. This relationship also extends to so-called “pseudo-cereals,” such as buckwheat, quinoa, and amaranth, although they belong to different botanical families.

Corn can be consumed in various forms: as kernels, flour, or even oil. This cereal is an excellent alternative for people with celiac disease, as its processed flour, starch, can successfully replace wheat flour in many dishes.

Thanks to its significant nutritional properties, corn plays an important role in the human diet and offers numerous culinary possibilities, being a staple food globally and widely used in kitchens around the world.

Nutritional values of corn

The nutritional values of corn may vary slightly depending on preparation and consumption method. In general, corn is known to be rich in essential nutrients.

100g of corn flour contains approximately:

Calories:
362 kcal
Protein:
8,7 g
Fat:
2,7 g
Carbohydrates:
80g
Fiber:
3,1 g
Sugar:
1,5 mg
Calcium:
6,0 mg
Acqua:
12,5 g
Ferro:
1,8 mg
Sodio:
1 mg
Fosforo:
99 mg
Potassio:
130 mg
Vitamina A:
67 µg

100g of canned sweet corn, drained, contains approximately:

Calories:
98 kcal
Fat:
1,3 g
Protein:
3,4 g
Water:
70,3 g
Carbohydrates:
19,5 g
Fiber:
1,4 g
Potassium:
220 mg
Sugar:
4,3 mg
Calcium:
4,0 mg
Iron:
0,5 mg
Sodium:
270 mg
Phosphorus:
79 mg
Vitamin A:
24 µg

Corn calories

A 100-gram portion of corn flour provides about 362 calories. Cornmeal and dried corn are highly energy-dense foods due to their minimal water content. This makes corn a nutritious food, ideal for restoring energy. Its easy digestibility also makes it recommended for infants and pregnant women.
It is important to consider the calorie differences based on the form of consumption.

Does corn cause weight gain?

Corn is often associated with high calorie content, making it seemingly unsuitable for weight loss. However, whether consumed as kernels, flour, or cobs, corn is rich in carbohydrates and has a notable nutritional density.
In fact, its caloric intake is not significantly higher than other cereals, such as barley or wheat.

Therefore, as with all foods, the key is to include corn in a balanced and varied diet. In this context, corn should not contribute to excessive weight gain.

Corn: properties and benefits

Corn offers numerous health benefits:

  • Anti-inflammatory properties: Corn, especially the stigmas of female flowers, is known for anti-inflammatory, diuretic, and healing properties.
  • Anti-cancer action: Due to its beta-carotene, unsaturated fats, and minerals (iron, phosphorus, magnesium, potassium), corn has antioxidant properties that combat free radicals, reducing the risk of degenerative or cancerous diseases.
  • Source of energy: Corn is rich in carbohydrates, low in fats, and cholesterol-free, making it an ideal energy food for recovery after illness.
  • Nutritious and easily digestible: Corn is introduced early in the diet, even in weaning. Corn cream is used to transition infants from milk to semi-solid foods. It also provides minerals like potassium, iron, and phosphorus without causing bloating.
  • Diuretic effect: Corn stimulates urine production, and corn decoctions are known for their purifying and diuretic properties, useful for urinary issues and bladder inflammation.
  • Skin benefits: Beta-carotene in corn, a vitamin A precursor, supports eye, mucous membrane, and skin health. Corn starch is also used in cosmetic products to relieve skin irritation and rashes.
  • Versatility in cooking: Corn can be used in many ways—kernels, flour, or oil—offering countless culinary possibilities.

Is corn harmful? Contraindications

Corn consumption generally has no major contraindications. However, it is important to consider personal reactions and the composition of the food.

  • Allergies: Some people may be allergic to corn or its derivatives, with reactions ranging from mild irritation to severe symptoms. Consult a doctor if suspected.
  • Consume in moderation: Corn should be part of a balanced diet. Its high glycemic load is not recommended for weight-loss diets or type 2 diabetes.

Always consult a health professional, such as a doctor or dietitian, before making significant dietary changes, especially with pre-existing conditions or ongoing medications.

Does corn contain gluten?

Corn-based products are ideal for people with celiac disease, as they are naturally gluten-free. Examples include corn flour, polenta, canned corn, popcorn, and corn-based baked goods.
The diversity and versatility of corn products allow celiacs to enjoy a varied and tasty diet without giving up favorite dishes. Always verify that products are certified gluten-free to avoid contamination.

Where to buy corn and its derived products

Corn is widely available in grocery stores and online shops. On La Veronese®’s online shop, a company with a long gluten-free tradition, you can buy corn flour from controlled, non-GMO production—perfect for both sweet and savory recipes, such as sbrisolona crumble with rosemary- and Sichuan-pepper-flavored zabaglione.

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