Pak-choi; (Brassica rapa subsp chinensis) belongs to the family Cruciferae. Other members of this family include cabbage, cauliflower, broccoli and others.
Pak-choi is eaten either cooked or raw. It contains carbohydrate, protein, fat, dietary fibre, vitamin C and sodium.
Just a few plants planted weekly will provide a constant supply of this vegetable for the household.