Corn
Get to know corn — a source of complex carbohydrates rich in fiber. Nutritional content, health benefits, and the many ways to cook corn.
What Is Corn?
Corn (Zea mays) is one of the oldest carbohydrate sources cultivated by humans, with yellow kernels (there are also white and purple varieties) neatly arranged along its cob. In many regions of Indonesia, corn isn't just a side vegetable — it's also an alternative staple food replacing rice, especially in Madura and Nusa Tenggara. Its naturally sweet taste and crunchy texture make it popular with all ages.
Corn is also versatile to prepare — it can be a simple snack like boiled or grilled corn, all the way to being the main ingredient in dishes like corn fritters (perkedel jagung), corn porridge (bubur jagung), and young corn vegetable soup (sayur jagung muda).
Corn's Nutritional Content
Per 100 grams of fresh sweet corn:
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| Nutrient | Amount |
|---|---|
| Calories | ~86 kcal |
| Carbohydrates | ~19 g |
| Fiber | ~2.7 g |
| Vitamin B1 (Thiamine) | ~0.16 mg |
| Potassium | ~270 mg |
Corn is classified as a complex carbohydrate with higher fiber content compared to white rice in the same portion.
Health Benefits
- Complex energy source — its carbohydrates are digested more slowly than simple sugars, providing more stable energy.
- Rich in fiber — aids digestion and provides longer-lasting fullness compared to white rice.
- Contains lutein and zeaxanthin antioxidants — believed to be good for eye health, especially in yellow corn.
- Source of B vitamins — supports the body's daily energy metabolism.
How to Prepare Corn
- Boiled corn (jagung rebus) — the simplest and healthiest method, just boiled with a little salt or pandan leaf for aroma.
- Grilled corn (jagung bakar) — grilled directly over coals while being brushed with a mixture of butter, sweet seasoning, or spicy seasoning to taste.
- Corn fritters (perkedel or bakwan jagung) — corn kernels mixed with flour and seasonings, then fried into a savory snack.
- Young corn vegetable soup (sayur jagung muda) — young corn is cut into pieces and cooked in a clear broth or soup together with other vegetables.
How to Choose & Store
- choose corn with the outer husk (klobot) still fresh green and corn silk that's golden brown in color, a sign of adequate ripeness
- press the kernel with your fingernail — fresh corn will release a milky liquid
- avoid corn with shrunken kernels, holes from worms, or a husk that's already dry and yellowing
- store with the husk (klobot) still covering it in the refrigerator to maintain freshness and sweetness
- corn that has already been shucked should be stored in a sealed container and cooked as soon as possible
- whole corn with the husk usually keeps for 3-5 days in the refrigerator before its sweetness declines
Practical Tips
- Cook corn as soon as possible after buying it — corn's natural sugar content starts converting to starch shortly after it's picked, so the longer it's stored, the less sweet it becomes.
- Boil with a little sugar or milk to preserve corn's natural sweetness, especially if the corn isn't very sweet.
- Leave part of the husk on while boiling or grilling — this helps keep the corn's moisture and aroma intact.
- Store leftover shucked corn in the freezer — handy as a stock ingredient for soups, stir-fries, or corn fried rice anytime.
Frequently Asked Questions
Is corn a carbohydrate or a vegetable?
Is corn safe for people with diabetes?
Do sweet corn and regular corn differ in nutrition?
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