Nutritionist Patrick Holford says likely culprits are cauliflower,turnips,brocoli,onions,Brussels sprouts beans lentils and chickpeas.

• 营养学家帕特里克·霍尔福德指出这些‘罪魁’大概有菜花、萝卜、花椰菜、洋葱、汤菜、大豆、扁豆、鹰嘴豆等。