📊 Full nutrition facts — per 100g
| Nutrient | Amount | % Daily value | Level |
|---|---|---|---|
| Calories | 47 kcal | 2% | |
| Carbohydrates | 10.5g | 4% | |
| Net digestible carbs | ~1g (rest is inulin) | — | |
| Dietary fibre | 5.4g | 19% | |
| Inulin (of total carbs) | ~9g | — | |
| Protein | 3.3g | 7% | |
| GI | ~15 — Near zero | — | |
| Folate | 68µg | 17% | |
| Vitamin C | 11.7mg | 13% | |
| Magnesium | 60mg | 15% | |
| Vitamin K | 14.3µg | 12% | |
| Cynarin | present — unique | — |
Based on Australian NRV. Source: FSANZ Australian Food Composition Database.
📈 Glycaemic index (GI)
💊 Key vitamins & minerals
✅ Health benefits
The artichoke's most extraordinary nutritional property is that approximately 9g of its 10.5g of carbohydrate per 100g is inulin — a fructan polysaccharide that human digestive enzymes cannot break down. This means artichokes have essentially zero net digestible carbohydrate and a GI near zero, making them uniquely safe for people with diabetes, insulin resistance or those following low-glycaemic diets. Simultaneously, the inulin reaching the colon selectively feeds Bifidobacterium and Lactobacillus species — making artichokes among the most potent natural prebiotic foods available.
Artichokes are the only significant food source of cynarin (1,3-dicaffeoylquinic acid), a hydroxycinnamic acid derivative that stimulates bile production in the liver (choleretic effect) and improves bile flow from the gallbladder (cholagogue effect). Clinical trials have found that artichoke leaf extract significantly improves symptoms of functional dyspepsia, reduces total and LDL cholesterol, and improves liver enzyme markers in non-alcoholic fatty liver disease (NAFLD). The traditional European use of artichoke in digestive bitters and liver tonics has solid biochemical and clinical support.
Artichokes consistently rank as the vegetable with the highest total antioxidant capacity when measured by ORAC (Oxygen Radical Absorbance Capacity) — exceeding broccoli, kale, spinach and all common vegetables. The antioxidants include chlorogenic acid, cynarin, luteolin, apigenin, silymarin-related compounds and rutin. This extraordinary antioxidant density is believed to underpin artichoke's documented hepatoprotective (liver-protective) effects in multiple clinical trials.
Multiple randomised controlled trials have found artichoke leaf extract supplementation significantly reduces total cholesterol (by 4–13%) and LDL cholesterol (by 5–8%) in adults with elevated cholesterol. The mechanism involves cynarin and chlorogenic acid inhibiting HMG-CoA reductase (the same enzyme targeted by statin drugs), increasing bile acid synthesis from cholesterol, and the prebiotic effect of inulin on gut bacteria that produce secondary bile acids affecting cholesterol metabolism.
⚠️ Who should limit or avoid
Artichokes belong to the Asteraceae (daisy/composite) family, which includes ragweed, daisies, chrysanthemums, chamomile and echinacea. People with known ragweed allergy or oral allergy syndrome from Asteraceae plants can have serious cross-reactions to artichokes — including anaphylaxis. If you are allergic to ragweed, chamomile or other Asteraceae plants, introduce artichoke very cautiously or avoid it. Artichoke allergy is uncommon in the general population but is a real risk for the Asteraceae-allergic.
Cynarin has the interesting property of temporarily blocking sweet taste receptors. After eating artichoke, water and other foods taste sweeter. When drinking wine after eating artichoke, the wine tastes significantly sweeter and more fruit-forward than it actually is. This is not a health concern but an important consideration for wine pairing — dry, high-acid wines (sauvignon blanc, vinho verde) are traditionally paired with artichoke for this reason, as they are improved by the sweetening effect. Rich reds or very dry wines can taste odd.
The 9g of inulin per artichoke is excellent for gut bacteria but can cause significant gas and bloating when consumed in large amounts, particularly in people who do not regularly eat inulin-rich foods. Starting with half an artichoke and increasing gradually over 2–3 weeks allows gut microbiome adaptation. People with IBS should be cautious — inulin is a high-FODMAP ingredient (fructans) and can trigger IBS symptoms.
🛒 How to select & buy artichoke
A fresh artichoke has tightly packed bracts (the scale-like outer leaves) that feel firm and crisp. When you squeeze the artichoke, the bracts should make a slight squeaking sound against each other. Open, spread bracts indicate age and over-maturity. The cut stem should look fresh and moist, not dried. The artichoke should feel heavy and dense for its size — lightness indicates drying out inside. A slight purple-brown tinge on the outer bracts is normal (it is caused by frost, which actually improves flavour).
Preparation: cut the top 2–3cm off the artichoke and trim the stem to 2–3cm. Remove the outer tough bracts. Rub all cut surfaces with lemon immediately (prevents browning). Cooking: steam 30–45 minutes (or boil), until the inner bracts pull away easily and the base is tender when pierced. Eating: pull individual bracts off, dip the base end in melted butter, aioli or vinaigrette, draw between your teeth to scrape off the fleshy part. Continue until the small, pale inner bracts and fuzzy choke appear. Remove the choke completely. The artichoke heart (base) is the most prized part — entirely edible and delicious.
Canned or jarred artichoke hearts in water or brine are a practical everyday product that retains most of the nutritional value of fresh artichokes. They are excellent in salads (antipasto, grain bowls), pasta dishes, dips (artichoke and spinach dip), pizza toppings and risotto. Choose artichoke hearts in water or brine rather than oil-marinated for lower calories and sodium. The canned form makes artichoke accessible year-round and requires no preparation — rinse, drain and use. Available at most Australian supermarkets (San Remo, Ceres, Sandhurst brands).
🧊 Storage tips & shelf life
Fresh whole artichokes keep 5–7 days in a sealed plastic bag in the refrigerator crisper. Do not wash before storing — moisture accelerates decay. The bracts may darken slightly at the tips, which is cosmetic and does not affect eating quality. Once cut, artichoke surfaces brown rapidly — coat immediately with lemon juice.
Freeze artichoke hearts rather than whole artichokes — cook fully, remove the fuzzy choke, toss in lemon juice, freeze in portions. Frozen artichoke hearts are ready for pasta, risotto and dips directly from frozen. The texture softens slightly from freezing but the flavour and cynarin content are preserved. Much more practical than freezing raw whole artichokes.
Canned or jarred artichoke hearts: store at room temperature until opening. Once opened, transfer to a sealed container, refrigerate in the brine/water and use within 5 days. The canned product retains most nutritional properties including inulin and cynarin at useful levels.
📖 About artichoke — complete guide
The globe artichoke (Cynara cardunculus var. scolymus) is a cultivated variety of the cardoon, a wild Mediterranean thistle, that has been cultivated since ancient times. The ancient Greeks and Romans both consumed artichokes as a luxury food — Pliny the Elder wrote about their cultivation and preparation, and artichoke cultivation was documented in Sicily in the 9th century CE. The vegetable spread from Sicily to Naples, then across Italy and into France in the 15th–16th centuries. Catherine de' Medici reportedly brought artichoke cultivation techniques from Italy when she married the future Henri II of France in 1533, and the artichoke became a fashionable food of the French court. The name 'artichoke' derives from the Italian 'articiocco,' itself from the Arabic 'al-kharshuf' — reflecting the Mediterranean and North African history of the plant.
The cynarin content of artichokes has been the subject of serious pharmacological research since the 1950s, when the German physician Dr Gerhard Siegers identified it as a liver-protective compound. Artichoke leaf extract (ALE), standardised for cynarin and chlorogenic acid content, has been tested in multiple European randomised clinical trials and found to significantly improve symptoms of functional dyspepsia (bloating, nausea, abdominal pain after eating), reduce total and LDL cholesterol, and improve liver enzyme markers in NAFLD. The European equivalent of the Australian TGA has approved ALE preparations for use in irritable stomach complaints. This represents one of the stronger traditional medicine–modern clinical evidence pathways, where a vegetable historically used for digestive complaints has been validated by randomised trials. The traditional European digestive bitters (Cynar liqueur in Italy, various digestif preparations) that contain artichoke extract have a legitimately evidence-based mechanism for their digestive claims.