Know2eat

Green plantains

Musa x paradisiaca

What green plantains has been studied for

2 associations assessed — 1 with at least some human evidence behind it. Strongest first.

  • 1 Limited
  • 1 Insufficient
4 things to know first — allergies, interactions and intake limits

About green plantains

A starchy cooking banana eaten as a staple carbohydrate across West Africa, the Caribbean and Latin America. The USDA entry is unripe green fruit, which is firm, starchy and always cooked.

Also known as Plantain, Cooking banana, Platano, Matoke

Gut & Digestive HealthBlood Sugar & Metabolic Health

The evidence in depth

Best supported: Limited

What each association actually rests on, and the papers behind it. A rating describes the state of the research, not how impressive the food is. How we rate evidence.

Gut microbiome

Gut & Digestive Health
Limited evidence

Research suggests resistant starch reaching the colon is fermented to short-chain fatty acids and shifts bacterial composition. Most of that work uses isolated resistant starch preparations rather than plantain, and the downstream health meaning remains unclear.

Limited evidence. Early human work, or mostly lab and animal research.

3 sources

Deep research mode adds each paper’s own conclusion and stated limitations.

Blood glucose response

Blood Sugar & Metabolic Health
Insufficient evidence

Evidence is limited. Green plantain and unripe banana flour have been tested in small trials as a resistant-starch source, with some reporting lower postprandial glucose or improved insulin sensitivity. The studies are small, short and use flour rather than the cooked staple.

Insufficient evidence. Not enough human research to say anything useful yet.

No source is attached to this association yet, so it is rated insufficient by default. It is listed because people commonly ask about it — not because there is evidence for it.

Ask about Green plantains

Ask about Green plantains

Answers are written only from the entries on this page — the same nutrients, compounds, claims and citations you can read above. Nothing is added from outside the database, and every answer lists what it was built from.

AI explanations are not switched on for this site, so there is nothing to ask here. Everything above is read straight from the database and does not need them.

Key nutrients

Nutrient content per 100 grams
NutrientAmount% DV
Macronutrients
Calories152 kcal8%
Protein1.25 g3%
Total fat0.07 g0%
Carbohydrate36.7 g13%
Fibre2.2 g8%
Total sugars2.29 g—
Water61.1 g—
Fats
Saturated fat0.121 g1%
Monounsaturated fat0.019 g—
Polyunsaturated fat0.031 g—
ALA (omega-3)0.0060 g—
EPA (omega-3)0 g—
DHA (omega-3)0 g—
DPA (omega-3)0 g—
Linoleic acid (omega-6)0.025 g—
Vitamins
Vitamin C20.2 mg22%
Thiamin (B1)0.1 mg8%
Riboflavin (B2)0.1 mg8%
Niacin (B3)0.55 mg3%
Pantothenic acid (B5)0.53 mg11%
Vitamin B60.07 mg4%
Folate28 µg7%
Minerals
Calcium2 mg0%
Iron0.75 mg4%
Magnesium41 mg10%
Phosphorus31 mg2%
Potassium431 mg9%
Sodium2 mg0%
Zinc0.18 mg2%
Copper0.116 mg13%
Manganese0.109 mg5%
Other measured compounds
Ash0.92 g—

Nutrient values are per 100 g of the USDA reference entry named on this page and vary with variety, growing conditions, storage and preparation.

Source record: Plantains, green, raw (USDA FoodData Central, FDC ID 168215).

% DV uses the FDA Daily Values for adults and children aged 4 and over. A dash means no Daily Value has been established for that nutrient.

Bioactive compounds

Compounds present in meaningful amounts. Presence is banded rather than quantified, because whole-food levels vary enormously with variety, growing conditions, storage and preparation.

How preparation changes things

Only effects with real support are listed. If a preparation method is missing, it is because nothing dependable is documented — not because it makes no difference.

  • cookedReduces resistant starch

    Boiling or frying gelatinises the starch, making it digestible and cutting the resistant fraction sharply. Cooling cooked plantain restores part of that resistant starch through retrogradation.

Things to know

Allergies, interactions and intake concerns. Every food gets this section — a reference where everything is uniformly good is not a reference.

  • Worth knowing

    Green plantain is not eaten raw

    Raw green plantain is dense in ungelatinised starch, astringent, and hard to digest. Every traditional preparation boils, roasts or fries it, and the USDA raw entry is an analytical reference rather than a serving suggestion.

  • Too much

    Resistant starch causes wind

    The resistant starch that makes green plantain interesting is fermented in the colon. People unaccustomed to it commonly report bloating and flatulence when intake rises quickly.

  • Allergy

    Latex-fruit cross-reactivity

    Plantain is a Musa, like banana, and shares its latex cross-reactive proteins. People with natural rubber latex allergy can react to it.

  • Worth knowing

    Potassium in advanced kidney disease

    Plantain is high in potassium and is one of the staples usually restricted in stage 4 or 5 chronic kidney disease. Boiling in plenty of water and discarding it removes some.