Final answer:
Spinach contains the highest amount of folate among the given food items. Other good sources of folate include liver, fish, chicken, legumes, and egg yolk.
Step-by-step explanation:
The food item that contains the highest amount of folate is spinach. Leafy green vegetables like spinach are rich sources of folate. Other good sources of folate include liver, fish, chicken, wheat germ oil, corn oil, cottonseed oil, safflower oil, legumes, and egg yolk.