Pawpaw
Food · Fruit · Food, Typed Supps
A soft, mild tropical fruit with a lot of vitamin C for very few calories.
Stage by stage
- Intake (Soft flesh): Pectin breakdown during ripening means ripe fruit needs almost no chewing.
- Stomach (Little digestion needed): Sugars are already free; papain from the fruit is denatured by gastric acid.
- Small intestine (Vitamin and carotenoid uptake): Vitamin C absorbs by a saturable transporter; lycopene needs dietary fat.
- Large intestine (Bulk): Fibre and water reach the colon and contribute bulk and stool softness.
Time to effect
- 1–2 hours: Plasma vitamin C rises within an hour or two of eating.
Allergens
None of the fourteen major allergens. Derived from what this food is, not from a product label.
Eating patterns
Fits: Vegan, Vegetarian, Pescatarian, Halal, Kosher, Gluten-free. Depends on the product: Keto, Low-FODMAP.
Satiety
The satiety index is measured on 240 kcal servings. At 40 kcal per 100 g that is 600 g of this, which is not a serving anyone eats — so the index has nothing to say about it.
Environmental footprint
1.1 kg CO2e and 199 litres of freshwater per kg, matched to "Other fruit" in Poore & Nemecek (2018), Science 360.
Cost band
Cheap — roughly £3 per kg, as a band midpoint rather than a price.
Key nutrients
Nutrition per 100g
- Calories: 40
- Protein: 0.4g
- Carbohydrate: 8.4g
- of which sugars: 8.4g
- Fat: 0g
- of which saturated: 0g
- Fibre: 2.1g
- Sodium: 4mg
Food vs. supplement
A single serve exceeds the adult vitamin C requirement, so a tablet adds little. Papain-based digestive enzyme supplements have poor evidence outside diagnosed pancreatic insufficiency.
Kitchen tip
Buy it just yielding to the thumb and eat it fresh with lime. Green, unripe fruit is a separate ingredient entirely — shredded into salads, firm and barely sweet.
Common myth
"Eating papaya after a meal helps you digest it, because of its enzymes." In reality: Papain is concentrated in the latex of green fruit, mostly gone by ripeness, and denatured by stomach acid regardless. The fruit's real contributions are vitamin C, folate, water and fibre.
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