Pac choi is from the Chinese cabbage family and is native to southern China, Southeast Asia, and northern Europe.
Pac choi and other cruciferous vegetables have certain anti-cancer properties. People who eat more cruciferous vegetables have a lower risk of developing lung, prostate, and colon cancer. Pac choi contains folate, which in necessary for the production and repair of DNA and may prevent cancer cells from forming due to mutations in the DNA.
Pac choi contains vitamin C, vitamin E, and beta-carotene. These nutrients have powerful antioxidant properties that help protect cells against damage by free radicals. Unlike most other fruits and vegetables, bok choy contains the mineral selenium. Selenium helps to detoxify some cancer-causing compounds in the body. Selenium also prevents inflammation and decreases tumor growth rates.