The nutritional value of corn
Nutritional Value (per 100g)
- Carbohydrates: 74g - Primary energy source
- Protein: 9-10g - Contains essential amino acids
- Fiber: 7.3g - Promotes digestive health
- Vitamin C: 46mg (61% DV) - Boosts immune system
- B Vitamins: Rich in B1, B5 and folate for energy metabolism
- Minerals: Magnesium (127mg), potassium (487mg), and phosphorus (364mg)
- Antioxidants: Lutein and zeaxanthin for eye health
Health Benefits
- ✔ Digestive Health: Fiber promotes regular bowel movements
- ✔ Heart Health: Potassium helps maintain healthy blood pressure
- ✔ Eye Health: Antioxidants reduce risk of age-related macular degeneration
- ✔ Energy Source: Complex carbohydrates provide sustained energy
- ✔ Cholesterol Management: Helps regulate lipid levels
Tip: Choose fresh corn on the cob when possible. Store unhusked corn in refrigerator. Avoid overcooking to preserve nutrients!
The planting process of corn
1
Variety Selection
- Varieties: Sweet corn, field corn, popcorn, dent corn
- Climate: Requires warm temperatures (15-35°C) and 60-100 frost-free days
2
Soil Preparation
- Soil Type: Well-draining loamy soil rich in organic matter
- pH Level: Slightly acidic to neutral (5.8-7.0 optimal)
3
Planting Method
- Depth: 2.5-5cm deep, depending on soil type
- Spacing: 25-30cm between plants, 75-90cm between rows
4
Pollination Process
- Natural Pollination: Wind-pollinated crop
- Tassel Stage: Male flowers release pollen
- Silk Stage: Female flowers receive pollen
5
Harvesting
- Sweet Corn: Harvested when kernels are milky (about 20 days after silking)
- Field Corn: Harvested when moisture content drops below 25%
6
Post-Harvest Processing
- Drying: For storage, moisture should be reduced to 13-15%
- Storage: Cool, dry conditions prevent mold and insect damage
Fun Fact: Corn is a cereal grain that was first domesticated by indigenous peoples in southern Mexico about 9,000 years ago.
Global Production: USA (34%), China (22%), Brazil (4%) lead global production.
Corn Planting Tutorial Video
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