January–December in Turkey (approximate harvest period)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.
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.
| Nutrient | Per 100 g | 100 g serving |
|---|---|---|
| Core values and macronutrients | ||
| Energy | 17 kcal | 17 kcal |
| Water | 94.2 g | 94.2 g |
| Protein | 1.3 g | 1.3 g |
| Total fat | 0.3 g | 0.3 g |
| Carbohydrate | 3.2 g | 3.2 g |
| Dietary fiber | 2.8 g | 2.8 g |
| Total sugars | 0.8 g | 0.8 g |
| Starch | 0.1 g | 0.1 g |
| Ash | 1.1 g | 1.1 g |
| Cholesterol | 0 mg | 0 mg |
| Minerals | ||
| Calcium | 70 mg | 70 mg |
| Iron | 1.7 mg | 1.7 mg |
| Magnesium | 12 mg | 12 mg |
| Phosphorus | 40 mg | 40 mg |
| Potassium | 340 mg | 340 mg |
| Sodium | 13 mg | 13 mg |
| Zinc | 0.5 mg | 0.5 mg |
| Selenium | 0 µg | 0 µg |
| Vitamins and vitamin-like compounds | ||
| Vitamin C | 46 mg | 46 mg |
| Vitamin B1 (Thiamin) | 0.01 mg | 0.01 mg |
| Vitamin B2 (Riboflavin) | 0.1 mg | 0.1 mg |
| Vitamin B3 (Niacin) | 0.8 mg | 0.8 mg |
| Vitamin B6 | 0.09 mg | 0.09 mg |
| Vitamin B9 (Folate) | 425 µg | 425 µg |
| Folic acid | 0 µg | 0 µg |
| Food folate | 425 µg | 425 µg |
| Folate, DFE | 425 µg DFE | 425 µg DFE |
| Vitamin B12 | 0 µg | 0 µg |
| Retinol | 0 µg | 0 µg |
| Beta-carotene | 1,360 µg | 1,360 µg |
| Alpha-carotene | 15 µg | 15 µg |
| Beta-cryptoxanthin | 20 µg | 20 µg |
| Vitamin E | 0 mg | 0 mg |
| Vitamin D | 0 µg | 0 µg |
| Types of sugar | ||
| Sucrose | 0 g | 0 g |
| Glucose | 0.5 g | 0.5 g |
| Fructose | 0.3 g | 0.3 g |
| Lactose | 0 g | 0 g |
| Maltose | 0 g | 0 g |
| Vitamin details | ||
| Niacin equivalents | 0.94 mg | 0.94 mg |
| Vitamin D2 | 0 µg | 0 µg |
| Vitamin D3 | 0 µg | 0 µg |
| Fatty-acid details | ||
| Trans fat | 0 g | 0 g |
| EPA | 0 g | 0 g |
| DHA | 0 g | 0 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.
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.
