Know2eat

Curly endive

Cichorium endivia var. crispum

What curly endive has been studied for

1 association assessed — none with dependable human evidence behind them yet. Strongest first.

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

About curly endive

A frilly, narrow-leaved salad chicory with a pronounced bitter edge, usually blanched at the heart so the inner leaves are paler and milder. It is a different species from Belgian endive despite the shared name.

Also known as Frisée, Chicorée frisée, Curly chicory

Antioxidant & Oxidative Stress

The evidence in depth

Best supported: Insufficient

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.

Oxidative stress markers

Antioxidant & Oxidative Stress
Insufficient evidence

Curly endive scores respectably on laboratory antioxidant assays, which is why it appears in phytochemical surveys of salad leaves. No human trial has measured what eating it does to any oxidative-stress marker, so there is nothing here to rate.

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 Curly endive

Ask about Curly endive

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
Calories17 kcal1%
Protein1.25 g3%
Total fat0.2 g0%
Carbohydrate3.35 g1%
Fibre3.1 g11%
Total sugars0.25 g—
Water93.8 g—
Fats
Saturated fat0.048 g0%
Monounsaturated fat0.0040 g—
Polyunsaturated fat0.087 g—
Cholesterol0 mg0%
EPA (omega-3)0 g—
DHA (omega-3)0 g—
DPA (omega-3)0 g—
Linoleic acid (omega-6)0.075 g—
Vitamins
Vitamin A108 µg12%
Vitamin C6.5 mg7%
Vitamin D0 µg0%
Vitamin E0.44 mg3%
Vitamin K231 µg193%
Thiamin (B1)0.08 mg7%
Riboflavin (B2)0.075 mg6%
Niacin (B3)0.4 mg3%
Pantothenic acid (B5)0.9 mg18%
Vitamin B60.02 mg1%
Folate142 µg36%
Vitamin B120 µg0%
Choline16.8 mg3%
Minerals
Calcium52 mg4%
Iron0.83 mg5%
Magnesium15 mg4%
Phosphorus28 mg2%
Potassium314 mg7%
Sodium22 mg1%
Zinc0.79 mg7%
Copper0.099 mg11%
Manganese0.42 mg18%
Selenium0.2 µg0%
Other measured compounds
Beta-carotene1300 µg—
Alpha-carotene0 µg—
Lycopene0 µg—
Lutein + zeaxanthin0 µg—
Caffeine0 mg—
Ash1.41 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: Endive, raw (USDA FoodData Central, FDC ID 168412).

% 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.

Nothing dependable is recorded about how preparation changes this food’s nutritional properties. Rather than guess, this section stays empty.

Things to know

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

  • Interaction

    Vitamin K and warfarin

    Like most dark salad leaves, curly endive carries vitamin K, which opposes warfarin. Consistency matters more than avoidance: tell whoever manages your anticoagulation before making salad greens a daily habit or dropping them.

  • Worth knowing

    Fructans at larger servings

    The chicory fructans that make the leaves faintly sweet under the bitterness are fermented in the colon. Large salads are a common trigger of wind in people with irritable bowel syndrome.

  • Allergy

    Daisy-family sensitisation

    Sesquiterpene lactones in chicory and lettuce are a recognised cause of occupational contact dermatitis in growers and greengrocers. Reactions to eating the leaves are much rarer.