Evidence-aware nutrition guide for Choy Sum (Yu Choy).Values are approximate per 100 g unless stated otherwise.
Choy Sum (Yu Choy) vegetableJanuary–December in Turkey (approximate harvest period)
Vegetable guide · values per 100 g (3.5 oz)

Choy Sum (Yu Choy) Nutrition Facts, Vitamins and Benefits

Choy Sum (Yu Choy) (Brassica rapa subsp. chinensis var. parachinensis) is included in the Topraktan Bilgiler vegetable library. Per 100 g it provides approximately 17 kcal and includes 425 µg folate, 46 mg vitamin C, 340 mg potassium. Values can vary with variety, ripeness, growing conditions and preparation.

425 µg folate46 mg vitamin C340 mg potassium70 mg calcium
Energy17 kcal
Fiber2.8 g
Vitamin C46 mg
Potassium340 mg

Choy Sum (Yu Choy) benefits and place in a balanced diet

  • A 100 g portion provides approximately 17 kcal; portion size and preparation affect total energy intake.
  • Its approximately 94.2 g of water per 100 g contributes to total fluid intake.
  • Its approximately 2.8 g of dietary fiber per 100 g contributes to fiber intake; a fiber-containing diet can support normal bowel function and fullness.
  • About 46 mg of vitamin C per 100 g contributes to normal immune function, collagen formation and the absorption of iron from plant foods.
  • Its recorded folate content contributes to normal blood formation, cell division and homocysteine metabolism.
  • About 0.09 mg of vitamin B6 per 100 g contributes to normal protein and glycogen metabolism, nervous-system function and red blood-cell formation.
  • About 0.1 mg of vitamin B2 per 100 g contributes to normal energy metabolism and the protection of cells from oxidative stress.
  • About 70 mg of calcium per 100 g contributes to the maintenance of normal bones and teeth, muscle function and nerve transmission.
  • About 340 mg of potassium per 100 g contributes to normal muscle and nervous-system function and the maintenance of normal blood pressure.
  • About 12 mg of magnesium per 100 g contributes to normal energy metabolism and muscle and nervous-system function.
  • About 1.7 mg of iron per 100 g contributes to normal red-blood-cell and haemoglobin formation and oxygen transport. Absorption of plant iron varies with the meal.
  • No single food prevents or treats disease. The nutritional value of choy sum (yu choy) depends on portion size, variety, ripeness and the overall eating pattern.

Choy Sum (Yu Choy) nutrition facts

The table covers calories, macronutrients, vitamins, minerals, fatty acids and amino acids where a measured value is available. Values are shown per 100 g and for a 100 g reference serving.

Choy Sum (Yu Choy) vitamins, minerals and nutrition facts
NutrientPer 100 g100 g serving
Core values and macronutrients
Energy17 kcal17 kcal
Water94.2 g94.2 g
Protein1.3 g1.3 g
Total fat0.3 g0.3 g
Carbohydrate3.2 g3.2 g
Dietary fiber2.8 g2.8 g
Total sugars0.8 g0.8 g
Starch0.1 g0.1 g
Ash1.1 g1.1 g
Cholesterol0 mg0 mg
Minerals
Calcium70 mg70 mg
Iron1.7 mg1.7 mg
Magnesium12 mg12 mg
Phosphorus40 mg40 mg
Potassium340 mg340 mg
Sodium13 mg13 mg
Zinc0.5 mg0.5 mg
Selenium0 µg0 µg
Vitamins and vitamin-like compounds
Vitamin C46 mg46 mg
Vitamin B1 (Thiamin)0.01 mg0.01 mg
Vitamin B2 (Riboflavin)0.1 mg0.1 mg
Vitamin B3 (Niacin)0.8 mg0.8 mg
Vitamin B60.09 mg0.09 mg
Vitamin B9 (Folate)425 µg425 µg
Folic acid0 µg0 µg
Food folate425 µg425 µg
Folate, DFE425 µg DFE425 µg DFE
Vitamin B120 µg0 µg
Retinol0 µg0 µg
Beta-carotene1,360 µg1,360 µg
Alpha-carotene15 µg15 µg
Beta-cryptoxanthin20 µg20 µg
Vitamin E0 mg0 mg
Vitamin D0 µg0 µg
Types of sugar
Sucrose0 g0 g
Glucose0.5 g0.5 g
Fructose0.3 g0.3 g
Lactose0 g0 g
Maltose0 g0 g
Vitamin details
Niacin equivalents0.94 mg0.94 mg
Vitamin D20 µg0 µg
Vitamin D30 µg0 µg
Fatty-acid details
Trans fat0 g0 g
EPA0 g0 g
DHA0 g0 g

How many calories are in Choy Sum (Yu Choy)?

100 g (about 3.5 oz) provides approximately 17 kcal. A 100 g reference serving provides approximately 17 kcal. Values vary with variety, ripeness and preparation.

How to use Choy Sum (Yu Choy) in the kitchen

Choy Sum (Yu Choy) can be used raw when food-safe or prepared by steaming, roasting, sautéing, simmering or adding to soups and salads, depending on the ingredient.

Cooking, peeling, draining and added oil or sugar can change nutrition values. The calculator scales the recorded reference values by weight.

Direct USDA records are used where available; closest-profile entries are explicitly labelled and remain approximate. Blank fields mean that the source did not report a value. General information only; not medical advice. Primary composition reference: USDA FoodData Central.