Pak Choi

Pak Choi: Nutrition Facts and Health Benefits

Pak choi (Brassica rapa subsp. chinensis), also known as bok choy, Chinese white cabbage, or Chinese chard, is a type of Chinese cabbage that has been cultivated in China for thousands of years and is now grown and eaten globally. It belongs to the crucifer (brassica) family alongside broccoli, cabbage, and kale. Unlike heading cabbages, pak choi has smooth, dark green leaves and thick, pale green to white crunchy stalks that remain distinct. It is available in full-size heads and in miniature baby pak choi, the latter prized for its tenderness and presentation.

Nutritional Value of Pak Choi

Pak choi is very low in calories — approximately 13 kcal per 100 g — while offering an impressive range of nutrients. It is an excellent source of vitamins C and K, and a good source of vitamin A (as beta-carotene) and calcium, the latter being notable as vegetable calcium sources are relatively uncommon. It also provides folate, potassium, vitamin B6, and manganese. As a cruciferous vegetable, pak choi contains glucosinolates — bioactive sulphur compounds that are converted to potentially protective compounds in the body. It also contains antioxidant flavonoids. The calcium in pak choi is reasonably well absorbed compared to some other plant calcium sources, making it a meaningful contributor to calcium intake in plant-based diets.

Health Benefits of Pak Choi

The glucosinolates in pak choi are associated with the cancer-preventive research profile common to cruciferous vegetables, with laboratory research suggesting the breakdown products (indole-3-carbinol, sulforaphane) have anti-proliferative effects on cancer cells. Vitamin K supports bone health and blood clotting. Vitamin C supports immune function, skin health, and antioxidant defence. The calcium and vitamin K together contribute to bone metabolism. Folate is important for cell division and DNA synthesis. The very low calorie content makes pak choi an exceptionally nutrient-dense food.

How to Select and Store Pak Choi

Look for pak choi with firm, white stalks and dark, shiny green leaves without yellowing, wilting, or brown edges. Baby pak choi should be compact and unblemished. Refrigerate in a plastic bag in the crisper drawer and use within three to four days. Pak choi does not freeze well raw but can be blanched briefly before freezing.

How to Use Pak Choi

Pak choi is commonly stir-fried, often with garlic, ginger, and oyster sauce. The stalks take slightly longer to cook than the leaves, so add them first. It can also be steamed, braised, added to soups and noodle broths, or served raw in salads where the crunch of the stalks is an asset. Baby pak choi can be halved and roasted or grilled. It pairs well with soy, sesame, miso, ginger, and chilli.