Spinach is a leafy green flowering plant native to central and western Asia. It is of the order Caryophyllales, family Amaranthaceae, subfamily Chenopodioideae. Its leaves are a common edible vegetable consumed either fresh, or after storage using preservation techniques by canning, freezing, or dehydration.
 
Energy: 23 Calories (per 100g)
Protein: 2.9 g
Iron: 21% 2.71 mg
Calcium: 10% 99 mg
Potassium: 12% 558 mg
Calories in handful: One cup of raw spinach or half cup cooked contains about 7 calories and only 1 gram of carbohydrate.
 
Shelf Life about 5 to 7 days spinach - FRESH, RAW, LOOSE To maximize the shelf life of raw spinach, refrigerate in a plastic bag; do not wash until ready to use. Properly stored, raw spinach will usually keep well for about 5 to 7 days in the refrigerator.