📊 Full nutrition facts — per 100g
| Nutrient | Amount | % Daily value | Level |
|---|---|---|---|
| Calories | 50 kcal | 3% | |
| Carbohydrates | 13.1g | 4% | |
| Sugars | 9.9g | — | |
| Glycaemic Index (GI) | 59 — Low | — | |
| Dietary fibre | 1.4g | 5% | |
| Vitamin C | 47.8mg | 53% | |
| Manganese | 0.93mg | 40% | |
| Bromelain | active enzyme | — | |
| Thiamine (B1) | 0.08mg | 6% | |
| Potassium | 109mg | 2% | |
| Vitamin B6 | 0.11mg | 6% | |
| Copper | 0.11mg | 12% |
Based on Australian Nutrient Reference Values (NRV). Source: FSANZ Australian Food Composition Database & USDA FoodData Central.
📈 Glycaemic index (GI)
💊 Key vitamins & minerals
✅ Health benefits
Pineapple is the only significant food source of bromelain — a proteolytic enzyme with documented anti-inflammatory, anti-oedema and digestive benefits. Used clinically to reduce post-surgical swelling.
At 40% of daily manganese needs per 100g, pineapple is one of the richest food sources of this mineral essential for bone formation, wound healing and antioxidant defence.
The combination of vitamin C (53% RDI) and bromelain provides powerful immune support, particularly for respiratory conditions and accelerated recovery from illness and exercise.
Bromelain breaks down protein molecules in the digestive tract, making pineapple an effective digestive aid when eating protein-heavy meals. It has been used medicinally in South America for centuries.
⚠️ Who should limit or avoid this food
Bromelain has blood-thinning and anti-clotting properties that can interact with warfarin, aspirin and other anticoagulants. Avoid large quantities 2 weeks before surgery.
Though uncommon, pineapple allergy can cause oral allergy syndrome (tingling, itching) or skin reactions. Bromelain is the primary allergen.
GI 59 and relatively high sugar (9.9g/100g). Keep portions to 1 cup maximum. Pair with protein to moderate blood sugar response.
Pineapple is highly acidic (pH 3.5). Eating large amounts frequently without rinsing can erode tooth enamel. Rinse mouth with water after eating.
🔬 Possible side effects or risks
Bromelain in fresh pineapple literally digests the proteins on your tongue's surface — causing temporary tingling or mild soreness. Completely normal. Cooking destroys bromelain and eliminates this.
High citric and ascorbic acid can trigger reflux in susceptible people, especially on an empty stomach.
Despite GI 59, relatively high sugar content means large portions can raise blood sugar meaningfully.
🛒 How to select fresh pineapple
The most reliable ripeness test. Sniff the bottom of the pineapple — ripe ones smell unmistakably sweet and tropical. No scent = underripe. Fermented/vinegary smell = overripe.
Golden-yellow colour at the base with a fresh green crown indicates good ripeness. The crown leaves of a ripe pineapple pull out easily with a gentle tug.
Should feel firm but not rock hard. Apply gentle pressure — slight give means ripeness. Very soft patches indicate overripeness or bruising.
🧊 Storage tips & shelf life
Store upside down at room temperature — this redistributes the natural sugars that settle at the base during transport.
Refrigerate once fully ripe or once cut. Store cut pieces in an airtight container with the juice to prevent drying.
Cut into chunks, place in containers covered with pineapple juice, freeze. Retains flavour beautifully for smoothies and cooking.
📖 About pineapple — complete guide
Pineapple stands apart from all other commonly eaten fruits for one distinctive reason: it is the only significant dietary source of bromelain, a complex mixture of proteolytic (protein-digesting) enzymes found in significant quantities in virtually no other food. Bromelain has been extensively studied for its anti-inflammatory, digestive and potential anti-cancer properties, and is sold as a pharmaceutical supplement at doses equivalent to eating pineapple regularly.
Queensland's pineapple industry has deep cultural roots in Australian food identity. The Sunshine Coast region around Nambour has grown pineapples commercially since the early 1900s, and the region's Big Pineapple — a 16-metre fibreglass structure built in 1971 — became one of Australia's most recognised roadside attractions. Modern Queensland pineapple cultivation spans over 1,400 hectares, predominantly of the Smooth Cayenne variety, which offers the ideal balance of sweetness, acidity and shelf life for commercial production and export to Asian markets.