July1 , 2022

Maize Nutritional Value and Health Benefits



Maize Nutritional Value and Health Benefits

The structure of maize kernel-grain


The average corn grain is 8–17 mm long and 4–6 mm wide. On average, 1,000 grains weigh 250–400 g.


The seed of the corn has three layers. The first layer starting from the outside is the pericarp. The pericarp is the part of the seed that is rich in fiber. The second layer is the endosperm which mainly contains carbs. The third is the embryo, where protein, vitamins, and minerals are present.

Read also:  Maize farming in Nigeria Vs how to get started

Nutritional value of maize

Maize contains about:

70-87% (carbohydrates) starch (amylose and amylopectin),

6-13% protein.

4% fat,

2-6% oil

1-3% sugar

The 100g of maize offer 365 Kcal energy

Additionally, maize is rich in riboflavin, phosphorus, potash, iron, calcium, zinc, and vitamin B. Yellow maize has a high amount of vitamin A (carotenoids), while blue, purple, and red variety is rich in antioxidants and phenolic compounds (2).

The success of maize as Fodder for Livestock, especially for cattle, lies in its:

High digestibility

Short life cycle and high yield-biomass

High concentration of nutrients

Good taste

According to the USDA, 100gr of yellow Corn grain contains:

Water: 10.37g

Energy: 365Kcal

Protein: 9.42 g

Total lipid: 4.74g

Carbohydrate: 74.26 g

Fiber: 7.3 g

Sugars: 0.64 g

Ca: 7 mg

Fe: 2.71 mg

Mg: 127 mg

P: 210 mg

K: 287 mg

Na:35 mg

Zn: 2.21 mg

Vitamin B6: 0.622 mg

Folate: 19 μg

Vitamin A RAE: 11 μg

Vitamin E: 0.49 mg

Niacin: 3.627 mg

Read also: Commercial maize farming business

Corn Health Benefits

  • Corn, like all foods, should be consumed in proper amounts and as part of a balanced diet.
  • Corn can be beneficial for human health by:
  • Providing Antioxidants
  • Providing Fiber
  • Providing Protein
  • Being Gluten-Free
  • Being an excellent choice for vegetarians

→ Red, orange, and purple Corn varieties contain potent antioxidants called carotenoids. Carotenoids are known for their contribution to the fight against free radicals, which may be responsible for cell damage.

→ Corn does not contain as much fiber as other sources. However, it can still be beneficial for the gut. Fiber helps our body remove toxins.

→ Corn’s protein content is high. This can benefit vegetarians and vegans since they do not consume protein from meat resources.

→ One of the most significant advantages of corn is that it does not contain gluten, and this is quite important for people who have celiac disease and can not consume wheat.

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